Merge branch 'release/v1.22.2'

Go v1.23 removes the Content-Encoding header from error responses, breaking pages such as 404's while using gzip compression middleware.

.chglog/config.yml

@@ -17,6 +17,24 @@ options:
       fix: Fix
     #   perf: Performance Improvements
     #   refactor: Code Refactoring
+    sort_by: Custom
+    title_order:
+      - Feature
+      - Chore
+      - UI
+      - API
+      - Libs
+      - Docker
+      - Security
+      - Fix
+      - Bugfix
+      - Docs
+      - Swagger
+      - Build
+      - Testing
+      - Test
+      - Tests
+      - Pull Requests
   header:
     pattern: "^(\\w*)(?:\\(([\\w\\$\\.\\-\\*\\s]*)\\))?\\:\\s(.*)$"
     pattern_maps:

.github/workflows/build-docker-edge.yml

@@ -16,19 +16,30 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Login to DockerHub
+    - name: Log into Docker Hub
       uses: docker/login-action@v3
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
 
+    - name: Log into GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ github.token }}
+
+    - uses: benjlevesque/short-sha@v3.0
+      id: short-sha
+
     - name: Build and push
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         context: .
         platforms: linux/386,linux/amd64,linux/arm64
         build-args: |
-          "VERSION=edge-${{ github.sha }}"
+          "VERSION=edge-${{ steps.short-sha.outputs.sha }}"
         push: true
         tags: |
           axllent/mailpit:edge
+          ghcr.io/${{ github.repository }}:edge

.github/workflows/build-docker.yml

@@ -16,12 +16,19 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Login to DockerHub
+    - name: Log into Docker Hub
       uses: docker/login-action@v3
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
 
+    - name: Log into GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ github.token }}
+
     - name: Parse semver
       id: semver_parser 
       uses: booxmedialtd/ws-action-parse-semver@v1.4.7
@@ -30,10 +37,9 @@ jobs:
         version_extractor_regex: 'v(.*)$'
 
     - name: Build and push
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         context: .
-        # platforms: linux/386,linux/amd64,linux/arm,linux/arm64
         platforms: linux/386,linux/amd64,linux/arm64
         build-args: |
           "VERSION=${{ github.ref_name }}"
@@ -42,3 +48,6 @@ jobs:
           axllent/mailpit:latest
           axllent/mailpit:${{ github.ref_name }}
           axllent/mailpit:v${{ steps.semver_parser.outputs.major }}.${{ steps.semver_parser.outputs.minor }}
+          ghcr.io/${{ github.repository }}:latest
+          ghcr.io/${{ github.repository }}:${{ github.ref_name }}
+          ghcr.io/${{ github.repository }}:v${{ steps.semver_parser.outputs.major }}.${{ steps.semver_parser.outputs.minor }}

.github/workflows/close-stale-issues.yml

@@ -10,11 +10,11 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v9.0.0
+      - uses: actions/stale@v9.1.0
         with:
           days-before-issue-stale: 7
           days-before-issue-close: 3
-          exempt-issue-labels: "enhancement,bug,javascript,docker"
+          exempt-issue-labels: "enhancement,bug,awaiting feedback"
           stale-issue-label: "stale"
           stale-issue-message: "This issue has been marked as stale because it has been open for 7 days with no activity."
           close-issue-message: "This issue was closed because there has been no activity since being marked as stale."

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.21.x]
+        go-version: ['1.23']
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -26,7 +26,7 @@ jobs:
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
         restore-keys: |
           ${{ runner.os }}-go-
-    - run: go test -p 1 ./internal/storage ./server ./internal/tools ./internal/html2text -v
+    - run: go test -p 1 ./internal/storage ./server ./internal/smtpd ./internal/pop3 ./internal/tools ./internal/html2text ./internal/linkcheck -v
     - run: go test -p 1 ./internal/storage ./internal/html2text -bench=.
     
     # build the assets
@@ -44,6 +44,6 @@ jobs:
     # validate the swagger file
     - name: Validate OpenAPI definition
       if: startsWith(matrix.os, 'ubuntu') == true
-      uses: char0n/swagger-editor-validate@v1
+      uses: swaggerexpert/swagger-editor-validate@v1
       with:
         definition-file: server/ui/api/v1/swagger.json

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:alpine as builder
+FROM golang:alpine AS builder
 
 ARG VERSION=dev
 
@@ -6,7 +6,7 @@ COPY . /app
 
 WORKDIR /app
 
-RUN apk add --no-cache git npm && \
+RUN  apk upgrade && apk add git npm && \
 npm install && npm run package && \
 CGO_ENABLED=0 go build -ldflags "-s -w -X github.com/axllent/mailpit/config.Version=${VERSION}" -o /mailpit
 
@@ -21,7 +21,7 @@ LABEL org.opencontainers.image.title="Mailpit" \
 
 COPY --from=builder /mailpit /mailpit
 
-RUN apk add --no-cache tzdata
+RUN apk upgrade --no-cache && apk add --no-cache tzdata
 
 EXPOSE 1025/tcp 1110/tcp 8025/tcp
 

README.md

@@ -46,8 +46,10 @@ including image thumbnails), including optional [HTTPS](https://mailpit.axllent.
 - Mobile and tablet HTML preview toggle in desktop mode
 - [Message tagging](https://mailpit.axllent.org/docs/usage/tagging/) including manual tagging or automated tagging using filtering and "plus addressing"
 - [SMTP relaying](https://mailpit.axllent.org/docs/configuration/smtp-relay/) (message release) - relay messages via a different SMTP server including an optional allowlist of accepted recipients
+- [SMTP forwarding](https://mailpit.axllent.org/docs/configuration/smtp-forward/) - automatically forward messages via a different SMTP server to predefined email addresses
 - Fast message [storing & processing](https://mailpit.axllent.org/docs/configuration/email-storage/) - ingesting 100-200 emails per second over SMTP depending on CPU, network speed & email size,
 easily handling tens of thousands of emails, with automatic email pruning (by default keeping the most recent 500 emails)
+- [Chaos](https://mailpit.axllent.org/docs/integration/chaos/) feature to enable configurable SMTP errors to test application resilience
 - `List-Unsubscribe` syntax validation
 - Optional [webhook](https://mailpit.axllent.org/docs/integration/webhook/) for received messages
 

SECURITY.md

@@ -0,0 +1,19 @@
+# Reporting security vulnerabilities
+
+Your efforts to responsibly disclose your findings are appreciated.
+
+** **Please do _not_ report security vulnerabilities through public GitHub issues.** **
+
+If you believe you have found a **security vulnerability**, then please report it to security@axllent.org so 
+your findings can be investigated, and if confirmed, fixed and released in a timely manner.
+
+Your report should include:
+
+- Mailpit version
+- A vulnerability description
+- Reproduction steps (if applicable)
+- Any other details you think are likely to be important
+
+You should receive an initial acknowledgement within 24 hours in most cases, and will kept updated throughout the process. 
+
+With your consent, your contributions will be publicly acknowledged.

cmd/ingest.go

@@ -2,9 +2,9 @@ package cmd
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"net/mail"
-	"net/smtp"
 	"os"
 	"path/filepath"
 	"strings"
@@ -13,8 +13,6 @@ import (
 	"github.com/axllent/mailpit/internal/logger"
 	sendmail "github.com/axllent/mailpit/sendmail/cmd"
 	"github.com/spf13/cobra"
-	"golang.org/x/text/language"
-	"golang.org/x/text/message"
 )
 
 var (
@@ -36,7 +34,6 @@ The --recent flag will only consider files with a modification date within the l
 		var count int
 		var total int
 		var per100start = time.Now()
-		p := message.NewPrinter(language.English)
 
 		for _, a := range args {
 			err := filepath.Walk(a,
@@ -108,7 +105,7 @@ The --recent flag will only consider files with a modification date within the l
 						}
 					}
 
-					err = smtp.SendMail(sendmail.SMTPAddr, nil, returnPath, recipients, body)
+					err = sendmail.Send(sendmail.SMTPAddr, returnPath, recipients, body)
 					if err != nil {
 						logger.Log().Errorf("error sending mail: %s (%s)", err.Error(), path)
 						return nil
@@ -117,8 +114,7 @@ The --recent flag will only consider files with a modification date within the l
 					count++
 					total++
 					if count%100 == 0 {
-						formatted := p.Sprintf("%d", total)
-						logger.Log().Infof("[%s] 100 messages in %s", formatted, time.Since(per100start))
+						logger.Log().Infof("[%s] 100 messages in %s", format(total), time.Since(per100start))
 
 						per100start = time.Now()
 					}
@@ -149,3 +145,29 @@ func isFile(path string) bool {
 
 	return true
 }
+
+// Format a an integer 10000 => 10,000
+func format(n int) string {
+	in := fmt.Sprintf("%d", n)
+	numOfDigits := len(in)
+	if n < 0 {
+		numOfDigits-- // First character is the - sign (not a digit)
+	}
+	numOfCommas := (numOfDigits - 1) / 3
+
+	out := make([]byte, len(in)+numOfCommas)
+	if n < 0 {
+		in, out[0] = in[1:], '-'
+	}
+
+	for i, j, k := len(in)-1, len(out)-1, 0; ; i, j = i-1, j-1 {
+		out[j] = in[i]
+		if i == 0 {
+			return string(out)
+		}
+		if k++; k == 3 {
+			j, k = j-1, 0
+			out[j] = ','
+		}
+	}
+}

cmd/root.go

@@ -9,10 +9,11 @@ import (
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/smtpd"
+	"github.com/axllent/mailpit/internal/smtpd/chaos"
 	"github.com/axllent/mailpit/internal/storage"
 	"github.com/axllent/mailpit/internal/tools"
 	"github.com/axllent/mailpit/server"
-	"github.com/axllent/mailpit/server/smtpd"
 	"github.com/axllent/mailpit/server/webhook"
 	"github.com/spf13/cobra"
 )
@@ -82,8 +83,10 @@ func init() {
 	initConfigFromEnv()
 
 	rootCmd.Flags().StringVarP(&config.Database, "database", "d", config.Database, "Database to store persistent data")
+	rootCmd.Flags().StringVar(&config.Label, "label", config.Label, "Optional label identify this Mailpit instance")
 	rootCmd.Flags().StringVar(&config.TenantID, "tenant-id", config.TenantID, "Database tenant ID to isolate data")
 	rootCmd.Flags().IntVarP(&config.MaxMessages, "max", "m", config.MaxMessages, "Max number of messages to store")
+	rootCmd.Flags().StringVar(&config.MaxAge, "max-age", config.MaxAge, "Max age of messages in either (h)ours or (d)ays (eg: 3d)")
 	rootCmd.Flags().BoolVar(&config.UseMessageDates, "use-message-dates", config.UseMessageDates, "Use message dates as the received dates")
 	rootCmd.Flags().BoolVar(&config.IgnoreDuplicateIDs, "ignore-duplicate-ids", config.IgnoreDuplicateIDs, "Ignore duplicate messages (by Message-Id)")
 	rootCmd.Flags().StringVar(&logger.LogFile, "log-file", logger.LogFile, "Log output to file instead of stdout")
@@ -120,6 +123,13 @@ func init() {
 	rootCmd.Flags().BoolVar(&config.SMTPRelayAll, "smtp-relay-all", config.SMTPRelayAll, "Auto-relay all new messages via external SMTP server (caution!)")
 	rootCmd.Flags().StringVar(&config.SMTPRelayMatching, "smtp-relay-matching", config.SMTPRelayMatching, "Auto-relay new messages to only matching recipients (regular expression)")
 
+	// SMTP forwarding
+	rootCmd.Flags().StringVar(&config.SMTPForwardConfigFile, "smtp-forward-config", config.SMTPForwardConfigFile, "SMTP forwarding configuration file for all messages")
+
+	// Chaos
+	rootCmd.Flags().BoolVar(&chaos.Enabled, "enable-chaos", chaos.Enabled, "Enable Chaos functionality (API / web UI)")
+	rootCmd.Flags().StringVar(&config.ChaosTriggers, "chaos-triggers", config.ChaosTriggers, "Enable Chaos & set the triggers for SMTP server")
+
 	// POP3 server
 	rootCmd.Flags().StringVar(&config.POP3Listen, "pop3", config.POP3Listen, "POP3 server bind interface and port")
 	rootCmd.Flags().StringVar(&config.POP3AuthFile, "pop3-auth-file", config.POP3AuthFile, "A password file for POP3 server authentication (enables POP3 server)")
@@ -130,6 +140,7 @@ func init() {
 	rootCmd.Flags().StringVarP(&config.CLITagsArg, "tag", "t", config.CLITagsArg, "Tag new messages matching filters")
 	rootCmd.Flags().StringVar(&config.TagsConfig, "tags-config", config.TagsConfig, "Load tags filters from yaml configuration file")
 	rootCmd.Flags().BoolVar(&tools.TagsTitleCase, "tags-title-case", tools.TagsTitleCase, "TitleCase new tags generated from plus-addresses and X-Tags")
+	rootCmd.Flags().StringVar(&config.TagsDisable, "tags-disable", config.TagsDisable, "Disable auto-tagging, comma separated (eg: plus-addresses,x-tags)")
 
 	// Webhook
 	rootCmd.Flags().StringVar(&config.WebhookURL, "webhook-url", config.WebhookURL, "Send a webhook request for new messages")
@@ -172,9 +183,14 @@ func initConfigFromEnv() {
 
 	config.TenantID = os.Getenv("MP_TENANT_ID")
 
+	config.Label = os.Getenv("MP_LABEL")
+
 	if len(os.Getenv("MP_MAX_MESSAGES")) > 0 {
 		config.MaxMessages, _ = strconv.Atoi(os.Getenv("MP_MAX_MESSAGES"))
 	}
+	if len(os.Getenv("MP_MAX_AGE")) > 0 {
+		config.MaxAge = os.Getenv("MP_MAX_AGE")
+	}
 	if getEnabledFromEnv("MP_USE_MESSAGE_DATES") {
 		config.UseMessageDates = true
 	}
@@ -200,7 +216,7 @@ func initConfigFromEnv() {
 	}
 	config.UIAuthFile = os.Getenv("MP_UI_AUTH_FILE")
 	if err := auth.SetUIAuth(os.Getenv("MP_UI_AUTH")); err != nil {
-		logger.Log().Errorf(err.Error())
+		logger.Log().Error(err.Error())
 	}
 	config.UITLSCert = os.Getenv("MP_UI_TLS_CERT")
 	config.UITLSKey = os.Getenv("MP_UI_TLS_KEY")
@@ -223,7 +239,7 @@ func initConfigFromEnv() {
 	}
 	config.SMTPAuthFile = os.Getenv("MP_SMTP_AUTH_FILE")
 	if err := auth.SetSMTPAuth(os.Getenv("MP_SMTP_AUTH")); err != nil {
-		logger.Log().Errorf(err.Error())
+		logger.Log().Error(err.Error())
 	}
 	if getEnabledFromEnv("MP_SMTP_AUTH_ACCEPT_ANY") {
 		config.SMTPAuthAcceptAny = true
@@ -270,7 +286,30 @@ func initConfigFromEnv() {
 	config.SMTPRelayConfig.Password = os.Getenv("MP_SMTP_RELAY_PASSWORD")
 	config.SMTPRelayConfig.Secret = os.Getenv("MP_SMTP_RELAY_SECRET")
 	config.SMTPRelayConfig.ReturnPath = os.Getenv("MP_SMTP_RELAY_RETURN_PATH")
+	config.SMTPRelayConfig.OverrideFrom = os.Getenv("MP_SMTP_RELAY_OVERRIDE_FROM")
 	config.SMTPRelayConfig.AllowedRecipients = os.Getenv("MP_SMTP_RELAY_ALLOWED_RECIPIENTS")
+	config.SMTPRelayConfig.BlockedRecipients = os.Getenv("MP_SMTP_RELAY_BLOCKED_RECIPIENTS")
+
+	// SMTP forwarding
+	config.SMTPForwardConfigFile = os.Getenv("MP_SMTP_FORWARD_CONFIG")
+	config.SMTPForwardConfig = config.SMTPForwardConfigStruct{}
+	config.SMTPForwardConfig.Host = os.Getenv("MP_SMTP_FORWARD_HOST")
+	if len(os.Getenv("MP_SMTP_FORWARD_PORT")) > 0 {
+		config.SMTPForwardConfig.Port, _ = strconv.Atoi(os.Getenv("MP_SMTP_FORWARD_PORT"))
+	}
+	config.SMTPForwardConfig.STARTTLS = getEnabledFromEnv("MP_SMTP_FORWARD_STARTTLS")
+	config.SMTPForwardConfig.AllowInsecure = getEnabledFromEnv("MP_SMTP_FORWARD_ALLOW_INSECURE")
+	config.SMTPForwardConfig.Auth = os.Getenv("MP_SMTP_FORWARD_AUTH")
+	config.SMTPForwardConfig.Username = os.Getenv("MP_SMTP_FORWARD_USERNAME")
+	config.SMTPForwardConfig.Password = os.Getenv("MP_SMTP_FORWARD_PASSWORD")
+	config.SMTPForwardConfig.Secret = os.Getenv("MP_SMTP_FORWARD_SECRET")
+	config.SMTPForwardConfig.ReturnPath = os.Getenv("MP_SMTP_FORWARD_RETURN_PATH")
+	config.SMTPForwardConfig.OverrideFrom = os.Getenv("MP_SMTP_FORWARD_OVERRIDE_FROM")
+	config.SMTPForwardConfig.To = os.Getenv("MP_SMTP_FORWARD_TO")
+
+	// Chaos
+	chaos.Enabled = getEnabledFromEnv("MP_ENABLE_CHAOS")
+	config.ChaosTriggers = os.Getenv("MP_CHAOS_TRIGGERS")
 
 	// POP3 server
 	if len(os.Getenv("MP_POP3_BIND_ADDR")) > 0 {
@@ -278,7 +317,7 @@ func initConfigFromEnv() {
 	}
 	config.POP3AuthFile = os.Getenv("MP_POP3_AUTH_FILE")
 	if err := auth.SetPOP3Auth(os.Getenv("MP_POP3_AUTH")); err != nil {
-		logger.Log().Errorf(err.Error())
+		logger.Log().Error(err.Error())
 	}
 	config.POP3TLSCert = os.Getenv("MP_POP3_TLS_CERT")
 	config.POP3TLSKey = os.Getenv("MP_POP3_TLS_KEY")
@@ -287,6 +326,7 @@ func initConfigFromEnv() {
 	config.CLITagsArg = os.Getenv("MP_TAG")
 	config.TagsConfig = os.Getenv("MP_TAGS_CONFIG")
 	tools.TagsTitleCase = getEnabledFromEnv("MP_TAGS_TITLE_CASE")
+	config.TagsDisable = os.Getenv("MP_TAGS_DISABLE")
 
 	// Webhook
 	if len(os.Getenv("MP_WEBHOOK_URL")) > 0 {
@@ -295,6 +335,9 @@ func initConfigFromEnv() {
 	if len(os.Getenv("MP_WEBHOOK_LIMIT")) > 0 {
 		webhook.RateLimit, _ = strconv.Atoi(os.Getenv("MP_WEBHOOK_LIMIT"))
 	}
+
+	// Demo mode
+	config.DemoMode = getEnabledFromEnv("MP_DEMO_MODE")
 }
 
 // load deprecated settings from environment and warn

cmd/sendmail.go

@@ -12,13 +12,13 @@ var sendmailCmd = &cobra.Command{
 	Use:   "sendmail [flags] [recipients]",
 	Short: "A sendmail command replacement for Mailpit",
 	Run: func(_ *cobra.Command, _ []string) {
-
 		sendmail.Run()
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(sendmailCmd)
+	var ignored string
 
 	// print out manual help screen
 	sendmailCmd.SetHelpTemplate(sendmail.HelpTemplate([]string{os.Args[0], "sendmail"}))
@@ -27,10 +27,13 @@ func init() {
 	// multi-letter single-dash variables (-bs)
 	sendmailCmd.Flags().StringVarP(&sendmail.FromAddr, "from", "f", sendmail.FromAddr, "SMTP sender")
 	sendmailCmd.Flags().StringVarP(&sendmail.SMTPAddr, "smtp-addr", "S", sendmail.SMTPAddr, "SMTP server address")
-	sendmailCmd.Flags().BoolVarP(&sendmail.UseB, "long-b", "b", false, "Handle SMTP commands on standard input (use as -bs)")
-	sendmailCmd.Flags().BoolVarP(&sendmail.UseS, "long-s", "s", false, "Handle SMTP commands on standard input (use as -bs)")
+	sendmailCmd.Flags().BoolVarP(&sendmail.UseB, "ignored-b", "b", false, "Handle SMTP commands on standard input (use as -bs)")
+	sendmailCmd.Flags().BoolVarP(&sendmail.UseS, "ignored-s", "s", false, "Handle SMTP commands on standard input (use as -bs)")
 	sendmailCmd.Flags().BoolP("verbose", "v", false, "Verbose mode (sends debug output to stderr)")
-	sendmailCmd.Flags().BoolP("long-i", "i", false, "Ignored")
-	sendmailCmd.Flags().BoolP("long-o", "o", false, "Ignored")
-	sendmailCmd.Flags().BoolP("long-t", "t", false, "Ignored")
+	sendmailCmd.Flags().BoolP("ignored-i", "i", false, "Ignored")
+	sendmailCmd.Flags().BoolP("ignored-o", "o", false, "Ignored")
+	sendmailCmd.Flags().BoolP("ignored-t", "t", false, "Ignored")
+	sendmailCmd.Flags().StringVarP(&ignored, "ignored-name", "F", "", "Ignored")
+	sendmailCmd.Flags().StringVarP(&ignored, "ignored-bits", "B", "", "Ignored")
+	sendmailCmd.Flags().StringVarP(&ignored, "ignored-errors", "e", "", "Ignored")
 }

config/config.go

@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"net"
-	"net/url"
 	"os"
 	"path"
 	"path/filepath"
@@ -14,8 +13,9 @@ import (
 
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/smtpd/chaos"
 	"github.com/axllent/mailpit/internal/spamassassin"
-	"gopkg.in/yaml.v3"
+	"github.com/axllent/mailpit/internal/tools"
 )
 
 var (
@@ -30,11 +30,22 @@ var (
 
 	// TenantID is an optional prefix to be applied to all database tables,
 	// allowing multiple isolated instances of Mailpit to share a database.
-	TenantID = ""
+	TenantID string
+
+	// Label to identify this Mailpit instance (optional).
+	// This gets applied to web UI, SMTP and optional POP3 server.
+	Label string
 
 	// MaxMessages is the maximum number of messages a mailbox can have (auto-pruned every minute)
 	MaxMessages = 500
 
+	// MaxAge is the maximum age of messages (auto-pruned every hour).
+	// Value can be either <int>h for hours or <int>d for days
+	MaxAge string
+
+	// MaxAgeInHours is the maximum age of messages in hours, set with parseMaxAge() using MaxAge value
+	MaxAgeInHours int
+
 	// UseMessageDates sets the Created date using the message date, not the delivered date
 	UseMessageDates bool
 
@@ -97,22 +108,16 @@ var (
 	// TagFilters are used to apply tags to new mail
 	TagFilters []autoTag
 
-	// SMTPRelayConfigFile to parse a yaml file and store config of relay SMTP server
+	// TagsDisable accepts a comma-separated list of tag types to disable
+	// including x-tags & plus-addresses
+	TagsDisable string
+
+	// SMTPRelayConfigFile to parse a yaml file and store config of the relay SMTP server
 	SMTPRelayConfigFile string
 
-	// SMTPRelayConfig to parse a yaml file and store config of relay SMTP server
+	// SMTPRelayConfig to parse a yaml file and store config of the the relay SMTP server
 	SMTPRelayConfig SMTPRelayConfigStruct
 
-	// SMTPStrictRFCHeaders will return an error if the email headers contain <CR><CR><LF> (\r\r\n)
-	// @see https://github.com/axllent/mailpit/issues/87 & https://github.com/axllent/mailpit/issues/153
-	SMTPStrictRFCHeaders bool
-
-	// SMTPAllowedRecipients if set, will only accept recipients matching this regular expression
-	SMTPAllowedRecipients string
-
-	// SMTPAllowedRecipientsRegexp is the compiled version of SMTPAllowedRecipients
-	SMTPAllowedRecipientsRegexp *regexp.Regexp
-
 	// ReleaseEnabled is whether message releases are enabled, requires a valid SMTPRelayConfigFile
 	ReleaseEnabled = false
 
@@ -126,6 +131,22 @@ var (
 	// SMTPRelayMatchingRegexp is the compiled version of SMTPRelayMatching
 	SMTPRelayMatchingRegexp *regexp.Regexp
 
+	// SMTPForwardConfigFile to parse a yaml file and store config of the forwarding SMTP server
+	SMTPForwardConfigFile string
+
+	// SMTPForwardConfig to parse a yaml file and store config of the forwarding SMTP server
+	SMTPForwardConfig SMTPForwardConfigStruct
+
+	// SMTPStrictRFCHeaders will return an error if the email headers contain <CR><CR><LF> (\r\r\n)
+	// @see https://github.com/axllent/mailpit/issues/87 & https://github.com/axllent/mailpit/issues/153
+	SMTPStrictRFCHeaders bool
+
+	// SMTPAllowedRecipients if set, will only accept recipients matching this regular expression
+	SMTPAllowedRecipients string
+
+	// SMTPAllowedRecipientsRegexp is the compiled version of SMTPAllowedRecipients
+	SMTPAllowedRecipientsRegexp *regexp.Regexp
+
 	// POP3Listen address - if set then Mailpit will start the POP3 server and listen on this address
 	POP3Listen = "[::]:1110"
 
@@ -159,8 +180,14 @@ var (
 	// RepoBinaryName on Github for updater
 	RepoBinaryName = "mailpit"
 
+	// ChaosTriggers are parsed and set in the chaos module
+	ChaosTriggers string
+
 	// DisableHTMLCheck DEPRECATED 2024/04/13 - kept here to display console warning only
 	DisableHTMLCheck = false
+
+	// DemoMode disables SMTP relay, link checking & HTTP send functionality
+	DemoMode = false
 )
 
 // AutoTag struct for auto-tagging
@@ -180,12 +207,31 @@ type SMTPRelayConfigStruct struct {
 	Password                string         `yaml:"password"`           // plain
 	Secret                  string         `yaml:"secret"`             // cram-md5
 	ReturnPath              string         `yaml:"return-path"`        // allow overriding the bounce address
+	OverrideFrom            string         `yaml:"override-from"`      // allow overriding of the from address
 	AllowedRecipients       string         `yaml:"allowed-recipients"` // regex, if set needs to match for mails to be relayed
 	AllowedRecipientsRegexp *regexp.Regexp // compiled regexp using AllowedRecipients
+	BlockedRecipients       string         `yaml:"blocked-recipients"` // regex, if set prevents relating to these addresses
+	BlockedRecipientsRegexp *regexp.Regexp // compiled regexp using BlockedRecipients
+
 	// DEPRECATED 2024/03/12
 	RecipientAllowlist string `yaml:"recipient-allowlist"`
 }
 
+// SMTPForwardConfigStruct struct for parsing yaml & storing variables
+type SMTPForwardConfigStruct struct {
+	To            string `yaml:"to"`             // comma-separated list of email addresses
+	Host          string `yaml:"host"`           // SMTP host
+	Port          int    `yaml:"port"`           // SMTP port
+	STARTTLS      bool   `yaml:"starttls"`       // whether to use STARTTLS
+	AllowInsecure bool   `yaml:"allow-insecure"` // allow insecure authentication
+	Auth          string `yaml:"auth"`           // none, plain, login, cram-md5
+	Username      string `yaml:"username"`       // plain & cram-md5
+	Password      string `yaml:"password"`       // plain
+	Secret        string `yaml:"secret"`         // cram-md5
+	ReturnPath    string `yaml:"return-path"`    // allow overriding the bounce address
+	OverrideFrom  string `yaml:"override-from"`  // allow overriding of the from address
+}
+
 // VerifyConfig wil do some basic checking
 func VerifyConfig() error {
 	cssFontRestriction := "*"
@@ -193,6 +239,9 @@ func VerifyConfig() error {
 		cssFontRestriction = "'self'"
 	}
 
+	// The default Content Security Policy is updates on every application page load to replace script-src 'self'
+	// with a random nonce ID to prevent XSS. This applies to the Mailpit app & API.
+	// See server.middleWareFunc()
 	ContentSecurityPolicy = fmt.Sprintf("default-src 'self'; script-src 'self'; style-src %s 'unsafe-inline'; frame-src 'self'; img-src * data: blob:; font-src %s data:; media-src 'self'; connect-src 'self' ws: wss:; object-src 'none'; base-uri 'self';",
 		cssFontRestriction, cssFontRestriction,
 	)
@@ -201,21 +250,22 @@ func VerifyConfig() error {
 		Database = filepath.Join(Database, "mailpit.db")
 	}
 
-	TenantID = strings.TrimSpace(TenantID)
+	Label = tools.Normalize(Label)
+
+	if err := parseMaxAge(); err != nil {
+		return err
+	}
+
+	TenantID = DBTenantID(TenantID)
 	if TenantID != "" {
 		logger.Log().Infof("[db] using tenant \"%s\"", TenantID)
-		re := regexp.MustCompile(`[^a-zA-Z0-9\_]`)
-		TenantID = re.ReplaceAllString(TenantID, "_")
-		if !strings.HasSuffix(TenantID, "_") {
-			TenantID = TenantID + "_"
-		}
 	}
 
 	re := regexp.MustCompile(`.*:\d+$`)
-	if !re.MatchString(SMTPListen) {
+	if _, _, isSocket := tools.UnixSocket(SMTPListen); !isSocket && !re.MatchString(SMTPListen) {
 		return errors.New("[smtp] bind should be in the format of <ip>:<port>")
 	}
-	if !re.MatchString(HTTPListen) {
+	if _, _, isSocket := tools.UnixSocket(HTTPListen); !isSocket && !re.MatchString(HTTPListen) {
 		return errors.New("[ui] HTTP bind should be in the format of <ip>:<port>")
 	}
 
@@ -317,6 +367,14 @@ func VerifyConfig() error {
 		return errors.New("[smtp] authentication requires STARTTLS or TLS encryption, run with `--smtp-auth-allow-insecure` to allow insecure authentication")
 	}
 
+	if err := parseChaosTriggers(); err != nil {
+		return fmt.Errorf("[chaos] %s", err.Error())
+	}
+
+	if chaos.Enabled {
+		logger.Log().Info("[chaos] is enabled")
+	}
+
 	// POP3 server
 	if POP3TLSCert != "" {
 		POP3TLSCert = filepath.Clean(POP3TLSCert)
@@ -383,7 +441,7 @@ func VerifyConfig() error {
 		}
 	}
 
-	// load tag filters
+	// load tag filters & options
 	TagFilters = []autoTag{}
 	if err := loadTagsFromArgs(CLITagsArg); err != nil {
 		return err
@@ -391,6 +449,9 @@ func VerifyConfig() error {
 	if err := loadTagsFromConfig(TagsConfig); err != nil {
 		return err
 	}
+	if err := parseTagsDisable(TagsDisable); err != nil {
+		return err
+	}
 
 	if SMTPAllowedRecipients != "" {
 		restrictRegexp, err := regexp.Compile(SMTPAllowedRecipients)
@@ -419,12 +480,12 @@ func VerifyConfig() error {
 		if SMTPRelayAll {
 			logger.Log().Warnf("[relay] ignoring smtp-relay-matching when smtp-relay-all is enabled")
 		} else {
-			restrictRegexp, err := regexp.Compile(SMTPRelayMatching)
+			re, err := regexp.Compile(SMTPRelayMatching)
 			if err != nil {
 				return fmt.Errorf("[relay] failed to compile smtp-relay-matching regexp: %s", err.Error())
 			}
 
-			SMTPRelayMatchingRegexp = restrictRegexp
+			SMTPRelayMatchingRegexp = re
 			logger.Log().Infof("[relay] auto-relaying new messages to recipients matching \"%s\" via %s:%d",
 				SMTPRelayMatching, SMTPRelayConfig.Host, SMTPRelayConfig.Port)
 		}
@@ -435,117 +496,20 @@ func VerifyConfig() error {
 		logger.Log().Warnf("[relay] auto-relaying all new messages via %s:%d", SMTPRelayConfig.Host, SMTPRelayConfig.Port)
 	}
 
-	return nil
-}
-
-// Parse the SMTPRelayConfigFile (if set)
-func parseRelayConfig(c string) error {
-	if c == "" {
-		return nil
-	}
-
-	c = filepath.Clean(c)
-
-	if !isFile(c) {
-		return fmt.Errorf("[smtp] relay configuration not found or readable: %s", c)
-	}
-
-	data, err := os.ReadFile(c)
-	if err != nil {
+	if err := parseForwardConfig(SMTPForwardConfigFile); err != nil {
 		return err
 	}
 
-	if err := yaml.Unmarshal(data, &SMTPRelayConfig); err != nil {
+	// separate forwarding config validation to account for environment variables
+	if err := validateForwardConfig(); err != nil {
 		return err
 	}
 
-	if SMTPRelayConfig.Host == "" {
-		return errors.New("[smtp] relay host not set")
-	}
-
-	// DEPRECATED 2024/03/12
-	if SMTPRelayConfig.RecipientAllowlist != "" {
-		logger.Log().Warn("[smtp] relay 'recipient-allowlist' is deprecated, use 'allowed-recipients' instead")
-		if SMTPRelayConfig.AllowedRecipients == "" {
-			SMTPRelayConfig.AllowedRecipients = SMTPRelayConfig.RecipientAllowlist
-		}
+	if DemoMode {
+		MaxMessages = 1000
+		// this deserves a warning
+		logger.Log().Info("demo mode enabled")
 	}
 
 	return nil
 }
-
-// Validate the SMTPRelayConfig (if Host is set)
-func validateRelayConfig() error {
-	if SMTPRelayConfig.Host == "" {
-		return nil
-	}
-
-	if SMTPRelayConfig.Port == 0 {
-		SMTPRelayConfig.Port = 25 // default
-	}
-
-	SMTPRelayConfig.Auth = strings.ToLower(SMTPRelayConfig.Auth)
-
-	if SMTPRelayConfig.Auth == "" || SMTPRelayConfig.Auth == "none" || SMTPRelayConfig.Auth == "false" {
-		SMTPRelayConfig.Auth = "none"
-	} else if SMTPRelayConfig.Auth == "plain" {
-		if SMTPRelayConfig.Username == "" || SMTPRelayConfig.Password == "" {
-			return fmt.Errorf("[smtp] relay host username or password not set for PLAIN authentication")
-		}
-	} else if SMTPRelayConfig.Auth == "login" {
-		SMTPRelayConfig.Auth = "login"
-		if SMTPRelayConfig.Username == "" || SMTPRelayConfig.Password == "" {
-			return fmt.Errorf("[smtp] relay host username or password not set for LOGIN authentication")
-		}
-	} else if strings.HasPrefix(SMTPRelayConfig.Auth, "cram") {
-		SMTPRelayConfig.Auth = "cram-md5"
-		if SMTPRelayConfig.Username == "" || SMTPRelayConfig.Secret == "" {
-			return fmt.Errorf("[smtp] relay host username or secret not set for CRAM-MD5 authentication")
-		}
-	} else {
-		return fmt.Errorf("[smtp] relay authentication method not supported: %s", SMTPRelayConfig.Auth)
-	}
-
-	ReleaseEnabled = true
-
-	logger.Log().Infof("[smtp] enabling message relaying via %s:%d", SMTPRelayConfig.Host, SMTPRelayConfig.Port)
-
-	if SMTPRelayConfig.AllowedRecipients != "" {
-		allowlistRegexp, err := regexp.Compile(SMTPRelayConfig.AllowedRecipients)
-		if err != nil {
-			return fmt.Errorf("[smtp] failed to compile relay recipient allowlist regexp: %s", err.Error())
-		}
-
-		SMTPRelayConfig.AllowedRecipientsRegexp = allowlistRegexp
-		logger.Log().Infof("[smtp] relay recipient allowlist is active with the following regexp: %s", SMTPRelayConfig.AllowedRecipients)
-
-	}
-
-	return nil
-}
-
-// IsFile returns whether a file exists and is readable
-func isFile(path string) bool {
-	f, err := os.Open(filepath.Clean(path))
-	defer f.Close()
-	return err == nil
-}
-
-// IsDir returns whether a path is a directory
-func isDir(path string) bool {
-	info, err := os.Stat(path)
-	if err != nil || os.IsNotExist(err) || !info.IsDir() {
-		return false
-	}
-
-	return true
-}
-
-func isValidURL(s string) bool {
-	u, err := url.ParseRequestURI(s)
-	if err != nil {
-		return false
-	}
-
-	return strings.HasPrefix(u.Scheme, "http")
-}

config/tags.go

@@ -11,6 +11,14 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
+var (
+	// TagsDisablePlus disables message tagging using plus-addresses (user+tag@example.com) - set via verifyConfig()
+	TagsDisablePlus bool
+
+	// TagsDisableXTags disables message tagging via the X-Tags header - set via verifyConfig()
+	TagsDisableXTags bool
+)
+
 type yamlTags struct {
 	Filters []yamlTag `yaml:"filters"`
 }
@@ -79,3 +87,25 @@ func loadTagsFromArgs(c string) error {
 
 	return nil
 }
+
+func parseTagsDisable(s string) error {
+	s = strings.TrimSpace(s)
+	if s == "" {
+		return nil
+	}
+
+	parts := strings.Split(strings.ToLower(s), ",")
+
+	for _, p := range parts {
+		switch strings.TrimSpace(p) {
+		case "x-tags", "xtags":
+			TagsDisableXTags = true
+		case "plus-addresses", "plus-addressing":
+			TagsDisablePlus = true
+		default:
+			return fmt.Errorf("[tags] invalid --tags-disable option: %s", p)
+		}
+	}
+
+	return nil
+}

config/utils.go

@@ -0,0 +1,51 @@
+package config
+
+import (
+	"net/url"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/axllent/mailpit/internal/tools"
+)
+
+// IsFile returns whether a file exists and is readable
+func isFile(path string) bool {
+	f, err := os.Open(filepath.Clean(path))
+	defer f.Close()
+	return err == nil
+}
+
+// IsDir returns whether a path is a directory
+func isDir(path string) bool {
+	info, err := os.Stat(path)
+	if err != nil || os.IsNotExist(err) || !info.IsDir() {
+		return false
+	}
+
+	return true
+}
+
+func isValidURL(s string) bool {
+	u, err := url.ParseRequestURI(s)
+	if err != nil {
+		return false
+	}
+
+	return strings.HasPrefix(u.Scheme, "http")
+}
+
+// DBTenantID converts a tenant ID to a DB-friendly value if set
+func DBTenantID(s string) string {
+	s = tools.Normalize(s)
+	if s != "" {
+		re := regexp.MustCompile(`[^a-zA-Z0-9\_]`)
+		s = re.ReplaceAllString(s, "_")
+		if !strings.HasSuffix(s, "_") {
+			s = s + "_"
+		}
+	}
+
+	return s
+}

config/validators.go

@@ -0,0 +1,282 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"net/mail"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/smtpd/chaos"
+	"gopkg.in/yaml.v3"
+)
+
+// Parse the --max-age value (if set)
+func parseMaxAge() error {
+	if MaxAge == "" {
+		return nil
+	}
+
+	re := regexp.MustCompile(`^\d+(h|d)$`)
+	if !re.MatchString(MaxAge) {
+		return fmt.Errorf("max-age must be either <int>h for hours or <int>d for days: %s", MaxAge)
+	}
+
+	if strings.HasSuffix(MaxAge, "h") {
+		hours, err := strconv.Atoi(strings.TrimSuffix(MaxAge, "h"))
+		if err != nil {
+			return err
+		}
+
+		MaxAgeInHours = hours
+
+		return nil
+	}
+
+	days, err := strconv.Atoi(strings.TrimSuffix(MaxAge, "d"))
+	if err != nil {
+		return err
+	}
+
+	logger.Log().Debugf("[db] auto-deleting messages older than %s", MaxAge)
+
+	MaxAgeInHours = days * 24
+	return nil
+}
+
+// Parse the SMTPRelayConfigFile (if set)
+func parseRelayConfig(c string) error {
+	if c == "" {
+		return nil
+	}
+
+	c = filepath.Clean(c)
+
+	if !isFile(c) {
+		return fmt.Errorf("[relay] configuration not found or readable: %s", c)
+	}
+
+	data, err := os.ReadFile(c)
+	if err != nil {
+		return err
+	}
+
+	if err := yaml.Unmarshal(data, &SMTPRelayConfig); err != nil {
+		return err
+	}
+
+	if SMTPRelayConfig.Host == "" {
+		return errors.New("[relay] host not set")
+	}
+
+	// DEPRECATED 2024/03/12
+	if SMTPRelayConfig.RecipientAllowlist != "" {
+		logger.Log().Warn("[relay] 'recipient-allowlist' is deprecated, use 'allowed-recipients' instead")
+		if SMTPRelayConfig.AllowedRecipients == "" {
+			SMTPRelayConfig.AllowedRecipients = SMTPRelayConfig.RecipientAllowlist
+		}
+	}
+
+	return nil
+}
+
+// Validate the SMTPRelayConfig (if Host is set)
+func validateRelayConfig() error {
+	if SMTPRelayConfig.Host == "" {
+		return nil
+	}
+
+	if SMTPRelayConfig.Port == 0 {
+		SMTPRelayConfig.Port = 25 // default
+	}
+
+	SMTPRelayConfig.Auth = strings.ToLower(SMTPRelayConfig.Auth)
+
+	if SMTPRelayConfig.Auth == "" || SMTPRelayConfig.Auth == "none" || SMTPRelayConfig.Auth == "false" {
+		SMTPRelayConfig.Auth = "none"
+	} else if SMTPRelayConfig.Auth == "plain" {
+		if SMTPRelayConfig.Username == "" || SMTPRelayConfig.Password == "" {
+			return fmt.Errorf("[relay] host username or password not set for PLAIN authentication")
+		}
+	} else if SMTPRelayConfig.Auth == "login" {
+		SMTPRelayConfig.Auth = "login"
+		if SMTPRelayConfig.Username == "" || SMTPRelayConfig.Password == "" {
+			return fmt.Errorf("[relay] host username or password not set for LOGIN authentication")
+		}
+	} else if strings.HasPrefix(SMTPRelayConfig.Auth, "cram") {
+		SMTPRelayConfig.Auth = "cram-md5"
+		if SMTPRelayConfig.Username == "" || SMTPRelayConfig.Secret == "" {
+			return fmt.Errorf("[relay] host username or secret not set for CRAM-MD5 authentication")
+		}
+	} else {
+		return fmt.Errorf("[relay] authentication method not supported: %s", SMTPRelayConfig.Auth)
+	}
+
+	if SMTPRelayConfig.AllowedRecipients != "" {
+		re, err := regexp.Compile(SMTPRelayConfig.AllowedRecipients)
+		if err != nil {
+			return fmt.Errorf("[relay] failed to compile recipient allowlist regexp: %s", err.Error())
+		}
+
+		SMTPRelayConfig.AllowedRecipientsRegexp = re
+		logger.Log().Infof("[relay] recipient allowlist is active with the following regexp: %s", SMTPRelayConfig.AllowedRecipients)
+	}
+
+	if SMTPRelayConfig.BlockedRecipients != "" {
+		re, err := regexp.Compile(SMTPRelayConfig.BlockedRecipients)
+		if err != nil {
+			return fmt.Errorf("[relay] failed to compile recipient blocklist regexp: %s", err.Error())
+		}
+
+		SMTPRelayConfig.BlockedRecipientsRegexp = re
+		logger.Log().Infof("[relay] recipient blocklist is active with the following regexp: %s", SMTPRelayConfig.BlockedRecipients)
+	}
+
+	if SMTPRelayConfig.OverrideFrom != "" {
+		m, err := mail.ParseAddress(SMTPRelayConfig.OverrideFrom)
+		if err != nil {
+			return fmt.Errorf("[relay] override-from is not a valid email address: %s", SMTPRelayConfig.OverrideFrom)
+		}
+
+		SMTPRelayConfig.OverrideFrom = m.Address
+	}
+
+	ReleaseEnabled = true
+
+	logger.Log().Infof("[relay] enabling message relaying via %s:%d", SMTPRelayConfig.Host, SMTPRelayConfig.Port)
+
+	return nil
+}
+
+// Parse the SMTPForwardConfigFile (if set)
+func parseForwardConfig(c string) error {
+	if c == "" {
+		return nil
+	}
+
+	c = filepath.Clean(c)
+
+	if !isFile(c) {
+		return fmt.Errorf("[forward] configuration not found or readable: %s", c)
+	}
+
+	data, err := os.ReadFile(c)
+	if err != nil {
+		return err
+	}
+
+	if err := yaml.Unmarshal(data, &SMTPForwardConfig); err != nil {
+		return err
+	}
+
+	if SMTPForwardConfig.Host == "" {
+		return errors.New("[forward] host not set")
+	}
+
+	return nil
+}
+
+// Validate the SMTPForwardConfig (if Host is set)
+func validateForwardConfig() error {
+	if SMTPForwardConfig.Host == "" {
+		return nil
+	}
+
+	if SMTPForwardConfig.Port == 0 {
+		SMTPForwardConfig.Port = 25 // default
+	}
+
+	SMTPForwardConfig.Auth = strings.ToLower(SMTPForwardConfig.Auth)
+
+	if SMTPForwardConfig.Auth == "" || SMTPForwardConfig.Auth == "none" || SMTPForwardConfig.Auth == "false" {
+		SMTPForwardConfig.Auth = "none"
+	} else if SMTPForwardConfig.Auth == "plain" {
+		if SMTPForwardConfig.Username == "" || SMTPForwardConfig.Password == "" {
+			return fmt.Errorf("[forward] host username or password not set for PLAIN authentication")
+		}
+	} else if SMTPForwardConfig.Auth == "login" {
+		SMTPForwardConfig.Auth = "login"
+		if SMTPForwardConfig.Username == "" || SMTPForwardConfig.Password == "" {
+			return fmt.Errorf("[forward] host username or password not set for LOGIN authentication")
+		}
+	} else if strings.HasPrefix(SMTPForwardConfig.Auth, "cram") {
+		SMTPForwardConfig.Auth = "cram-md5"
+		if SMTPForwardConfig.Username == "" || SMTPForwardConfig.Secret == "" {
+			return fmt.Errorf("[forward] host username or secret not set for CRAM-MD5 authentication")
+		}
+	} else {
+		return fmt.Errorf("[forward] authentication method not supported: %s", SMTPForwardConfig.Auth)
+	}
+
+	if SMTPForwardConfig.To == "" {
+		return errors.New("[forward] To addresses missing")
+	}
+
+	to := []string{}
+	addresses := strings.Split(SMTPForwardConfig.To, ",")
+	for _, a := range addresses {
+		a = strings.TrimSpace(a)
+		m, err := mail.ParseAddress(a)
+		if err != nil {
+			return fmt.Errorf("[forward] To address is not a valid email address: %s", a)
+		}
+		to = append(to, m.Address)
+	}
+
+	if len(to) == 0 {
+		return errors.New("[forward] no valid To addresses found")
+	}
+
+	// overwrite the To field with the cleaned up list
+	SMTPForwardConfig.To = strings.Join(to, ",")
+
+	if SMTPForwardConfig.OverrideFrom != "" {
+		m, err := mail.ParseAddress(SMTPForwardConfig.OverrideFrom)
+		if err != nil {
+			return fmt.Errorf("[forward] override-from is not a valid email address: %s", SMTPForwardConfig.OverrideFrom)
+		}
+
+		SMTPForwardConfig.OverrideFrom = m.Address
+	}
+
+	logger.Log().Infof("[forward] enabling message forwarding to %s via %s:%d", SMTPForwardConfig.To, SMTPForwardConfig.Host, SMTPForwardConfig.Port)
+
+	return nil
+}
+
+func parseChaosTriggers() error {
+	if ChaosTriggers == "" {
+		return nil
+	}
+
+	re := regexp.MustCompile(`^([a-zA-Z0-0]+):(\d\d\d):(\d+(\.\d)?)$`)
+
+	parts := strings.Split(ChaosTriggers, ",")
+	for _, p := range parts {
+		p = strings.TrimSpace(p)
+		if !re.MatchString(p) {
+			return fmt.Errorf("invalid argument: %s", p)
+		}
+
+		matches := re.FindAllStringSubmatch(p, 1)
+		key := matches[0][1]
+		errorCode, err := strconv.Atoi(matches[0][2])
+		if err != nil {
+			return err
+		}
+		probability, err := strconv.Atoi(matches[0][3])
+		if err != nil {
+			return err
+		}
+
+		if err := chaos.Set(key, errorCode, probability); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

esbuild.config.mjs

@@ -20,7 +20,13 @@ const ctx = await esbuild.context(
             '__VUE_PROD_HYDRATION_MISMATCH_DETAILS__': 'false',
         },
         outdir: "server/ui/dist/",
-        plugins: [pluginVue(), sassPlugin()],
+        plugins: [
+            pluginVue(),
+            sassPlugin({
+                silenceDeprecations: ['import'],
+                quietDeps: true,
+            })
+        ],
         loader: {
             ".svg": "file",
             ".woff": "file",

go.mod

@@ -1,50 +1,48 @@
 module github.com/axllent/mailpit
 
-go 1.21.0
+go 1.23
 
-toolchain go1.22.1
+toolchain go1.23.2
 
 require (
-	github.com/PuerkitoBio/goquery v1.9.2
+	github.com/PuerkitoBio/goquery v1.10.1
 	github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de
 	github.com/axllent/semver v0.0.1
-	github.com/gomarkdown/markdown v0.0.0-20240419095408-642f0ee99ae2
+	github.com/gomarkdown/markdown v0.0.0-20250207164621-7a1f277a159e
 	github.com/gorilla/mux v1.8.1
-	github.com/gorilla/websocket v1.5.1
-	github.com/jhillyerd/enmime v1.2.0
-	github.com/klauspost/compress v1.17.8
+	github.com/gorilla/websocket v1.5.3
+	github.com/jhillyerd/enmime v1.3.0
+	github.com/klauspost/compress v1.17.11
 	github.com/kovidgoyal/imaging v1.6.3
 	github.com/leporo/sqlf v1.4.0
-	github.com/lithammer/shortuuid/v4 v4.0.0
-	github.com/mhale/smtpd v0.8.3
-	github.com/reiver/go-telnet v0.0.0-20180421082511-9ff0b2ab096e
-	github.com/rqlite/gorqlite v0.0.0-20240227123050-397b03f02418
+	github.com/lithammer/shortuuid/v4 v4.2.0
+	github.com/mneis/go-telnet v0.0.0-20221017141824-6f643e477c62
+	github.com/rqlite/gorqlite v0.0.0-20250128004930-114c7828b55a
 	github.com/sirupsen/logrus v1.9.3
-	github.com/spf13/cobra v1.8.0
-	github.com/spf13/pflag v1.0.5
-	github.com/tg123/go-htpasswd v1.2.2
-	github.com/vanng822/go-premailer v1.21.0
-	golang.org/x/net v0.25.0
-	golang.org/x/text v0.15.0
-	golang.org/x/time v0.5.0
+	github.com/spf13/cobra v1.8.1
+	github.com/spf13/pflag v1.0.6
+	github.com/tg123/go-htpasswd v1.2.3
+	github.com/vanng822/go-premailer v1.23.0
+	golang.org/x/net v0.34.0
+	golang.org/x/text v0.22.0
+	golang.org/x/time v0.10.0
 	gopkg.in/yaml.v3 v3.0.1
-	modernc.org/sqlite v1.29.9
+	modernc.org/sqlite v1.34.5
 )
 
 require (
 	github.com/GehirnInc/crypt v0.0.0-20230320061759-8cc1b52080c5 // indirect
-	github.com/andybalholm/cascadia v1.3.2 // indirect
+	github.com/andybalholm/cascadia v1.3.3 // indirect
 	github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/css v1.0.1 // indirect
-	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jaytaylor/html2text v0.0.0-20230321000545-74c2419ad056 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
@@ -54,14 +52,12 @@ require (
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/vanng822/css v1.0.1 // indirect
-	golang.org/x/crypto v0.23.0 // indirect
-	golang.org/x/image v0.16.0 // indirect
-	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/crypto v0.33.0 // indirect
+	golang.org/x/exp v0.0.0-20250207012021-f9890c6ad9f3 // indirect
+	golang.org/x/image v0.24.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	modernc.org/gc/v3 v3.0.0-20240304020402-f0dba7c97c2b // indirect
-	modernc.org/libc v1.50.5 // indirect
-	modernc.org/mathutil v1.6.0 // indirect
-	modernc.org/memory v1.8.0 // indirect
-	modernc.org/strutil v1.2.0 // indirect
-	modernc.org/token v1.1.0 // indirect
+	modernc.org/libc v1.61.12 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.8.2 // indirect
 )

go.sum

@@ -1,51 +1,50 @@
 github.com/GehirnInc/crypt v0.0.0-20230320061759-8cc1b52080c5 h1:IEjq88XO4PuBDcvmjQJcQGg+w+UaafSy8G5Kcb5tBhI=
 github.com/GehirnInc/crypt v0.0.0-20230320061759-8cc1b52080c5/go.mod h1:exZ0C/1emQJAw5tHOaUDyY1ycttqBAPcxuzf7QbY6ec=
-github.com/PuerkitoBio/goquery v1.9.1/go.mod h1:cW1n6TmIMDoORQU5IU/P1T3tGFunOeXEpGP2WHRwkbY=
-github.com/PuerkitoBio/goquery v1.9.2 h1:4/wZksC3KgkQw7SQgkKotmKljk0M6V8TUvA8Wb4yPeE=
 github.com/PuerkitoBio/goquery v1.9.2/go.mod h1:GHPCaP0ODyyxqcNoFGYlAprUFH81NuRPd0GX3Zu2Mvk=
-github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss=
+github.com/PuerkitoBio/goquery v1.10.1 h1:Y8JGYUkXWTGRB6Ars3+j3kN0xg1YqqlwvdTV8WTFQcU=
+github.com/PuerkitoBio/goquery v1.10.1/go.mod h1:IYiHrOMps66ag56LEH7QYDDupKXyo5A8qrjIx3ZtujY=
 github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU=
+github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM=
+github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA=
 github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de h1:FxWPpzIjnTlhPwqqXc4/vE0f7GvRjuAsbW+HOIe8KnA=
 github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de/go.mod h1:DCaWoUhZrYW9p1lxo/cm8EmUOOzAPSEZNGF2DK1dJgw=
 github.com/axllent/semver v0.0.1 h1:QqF+KSGxgj8QZzSXAvKFqjGWE5792ksOnQhludToK8E=
 github.com/axllent/semver v0.0.1/go.mod h1:2xSPzvG8n9mRfdtxSvWvfTfQGWfHsMsHO1iZnKATMSc=
 github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a h1:MISbI8sU/PSK/ztvmWKFcI7UGb5/HQT7B+i3a2myKgI=
 github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a/go.mod h1:2GxOXOlEPAMFPfp014mK1SWq8G8BN8o7/dfYqJrVGn8=
-github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM=
+github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/go-test/deep v1.1.0 h1:WOcxcdHcvdgThNXjw0t76K42FXTU7HpNQWHpA2HHNlg=
 github.com/go-test/deep v1.1.0/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f h1:3BSP1Tbs2djlpprl7wCLuiqMaUh5SJkkzI2gDs+FgLs=
 github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f/go.mod h1:Pcatq5tYkCW2Q6yrR2VRHlbHpZ/R4/7qyL1TCF7vl14=
-github.com/gomarkdown/markdown v0.0.0-20240419095408-642f0ee99ae2 h1:yEt5djSYb4iNtmV9iJGVday+i4e9u6Mrn5iP64HH5QM=
-github.com/gomarkdown/markdown v0.0.0-20240419095408-642f0ee99ae2/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
+github.com/gomarkdown/markdown v0.0.0-20250207164621-7a1f277a159e h1:ESHlT0RVZphh4JGBz49I5R6nTdC8Qyc08vU25GQHzzQ=
+github.com/gomarkdown/markdown v0.0.0-20250207164621-7a1f277a159e/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/pprof v0.0.0-20240409012703-83162a5b38cd h1:gbpYu9NMq8jhDVbvlGkMFWCjLFlqqEZjEmObmhUy6Vo=
 github.com/google/pprof v0.0.0-20240409012703-83162a5b38cd/go.mod h1:kf6iHlnVGwgKolg33glAes7Yg/8iWP8ukqeldJSO7jw=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/css v1.0.1 h1:ntNaBIghp6JmvWnxbZKANoLyuXTPZ4cAMlo6RyhlbO8=
 github.com/gorilla/css v1.0.1/go.mod h1:BvnYkspnSzMmwRK+b8/xgNPLiIuNZr6vbZBTPQ2A3b0=
 github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
-github.com/gorilla/websocket v1.5.1 h1:gmztn0JnHVt9JZquRuzLw3g4wouNVzKL15iLr/zn/QY=
-github.com/gorilla/websocket v1.5.1/go.mod h1:x3kM2JMyaluk02fnUJpQuwD2dCS5NDG2ZHL0uE0tcaY=
-github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
-github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/jaytaylor/html2text v0.0.0-20230321000545-74c2419ad056 h1:iCHtR9CQyktQ5+f3dMVZfwD2KWJUgm7M0gdL9NGr8KA=
 github.com/jaytaylor/html2text v0.0.0-20230321000545-74c2419ad056/go.mod h1:CVKlgaMiht+LXvHG173ujK6JUhZXKb2u/BQtjPDIvyk=
-github.com/jhillyerd/enmime v1.2.0 h1:dIu1IPEymQgoT2dzuB//ttA/xcV40NMPpQtmd4wslHk=
-github.com/jhillyerd/enmime v1.2.0/go.mod h1:FRFuUPCLh8PByQv+8xRcLO9QHqaqTqreYhopv5eyk4I=
-github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU=
-github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/jhillyerd/enmime v1.3.0 h1:LV5kzfLidiOr8qRGIpYYmUZCnhrPbcFAnAFUnWn99rw=
+github.com/jhillyerd/enmime v1.3.0/go.mod h1:6c6jg5HdRRV2FtvVL69LjiX1M8oE0xDX9VEhV3oy4gs=
+github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
+github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
 github.com/kovidgoyal/imaging v1.6.3 h1:iNPpv7ygiaB/NOztc6APMT7yr9UwBS+rOZwIbAdtyY8=
 github.com/kovidgoyal/imaging v1.6.3/go.mod h1:sHvcLOOVhJuto2IoNdPLEqnAUoL5ZfHEF0PpNH+882g=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -57,18 +56,18 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leporo/sqlf v1.4.0 h1:SyWnX/8GSGOzVmanG0Ub1c04mR9nNl6Tq3IeFKX2/4c=
 github.com/leporo/sqlf v1.4.0/go.mod h1:pgN9yKsAnQ+2ewhbZogr98RcasUjPsHF3oXwPPhHvBw=
-github.com/lithammer/shortuuid/v4 v4.0.0 h1:QRbbVkfgNippHOS8PXDkti4NaWeyYfcBTHtw7k08o4c=
-github.com/lithammer/shortuuid/v4 v4.0.0/go.mod h1:Zs8puNcrvf2rV9rTH51ZLLcj7ZXqQI3lv67aw4KiB1Y=
+github.com/lithammer/shortuuid/v4 v4.2.0 h1:LMFOzVB3996a7b8aBuEXxqOBflbfPQAiVzkIcHO0h8c=
+github.com/lithammer/shortuuid/v4 v4.2.0/go.mod h1:D5noHZ2oFw/YaKCfGy0YxyE7M0wMbezmMjPdhyEFe6Y=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
-github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
-github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
+github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.16 h1:yOQRA0RpS5PFz/oikGwBEqvAWhWg5ufRz4ETLjwpU1Y=
 github.com/mattn/go-sqlite3 v1.14.16/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
-github.com/mhale/smtpd v0.8.3 h1:8j8YNXajksoSLZja3HdwvYVZPuJSqAxFsib3adzRRt8=
-github.com/mhale/smtpd v0.8.3/go.mod h1:MQl+y2hwIEQCXtNhe5+55n0GZOjSmeqORDIXbqUL3x4=
+github.com/mneis/go-telnet v0.0.0-20221017141824-6f643e477c62 h1:XMG5DklHoioVYysfYglOB7vRBg/LOUJZy2mq2QyedLg=
+github.com/mneis/go-telnet v0.0.0-20221017141824-6f643e477c62/go.mod h1:niAM5cni0I/47IFA995xQfeK58Mkbb7FHJjacY4OGQg=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
@@ -79,8 +78,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/reiver/go-oi v1.0.0 h1:nvECWD7LF+vOs8leNGV/ww+F2iZKf3EYjYZ527turzM=
 github.com/reiver/go-oi v1.0.0/go.mod h1:RrDBct90BAhoDTxB1fenZwfykqeGvhI6LsNfStJoEkI=
-github.com/reiver/go-telnet v0.0.0-20180421082511-9ff0b2ab096e h1:quuzZLi72kkJjl+f5AQ93FMcadG19WkS7MO6TXFOSas=
-github.com/reiver/go-telnet v0.0.0-20180421082511-9ff0b2ab096e/go.mod h1:+5vNVvEWwEIx86DB9Ke/+a5wBI464eDRo3eF0LcfpWg=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
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+golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
+golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
+golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
+golang.org/x/term v0.28.0/go.mod h1:Sw/lC2IAUZ92udQNf3WodGtn4k/XoLyZoh8v/8uiwek=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
 golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
-golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
+golang.org/x/time v0.10.0 h1:3usCWA8tQn0L8+hFJQNgzpWbd89begxN66o1Ojdn5L4=
+golang.org/x/time v0.10.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.19.0 h1:tfGCXNR1OsFG+sVdLAitlpjAvD/I6dHDKnYrpEZUHkw=
-golang.org/x/tools v0.19.0/go.mod h1:qoJWxmGSIBmAeriMx19ogtrEPrGtDbPK634QFIcLAhc=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.29.0 h1:Xx0h3TtM9rzQpQuR4dKLrdglAmCEN5Oi+P74JdhdzXE=
+golang.org/x/tools v0.29.0/go.mod h1:KMQVMRsVxU6nHCFXrBPhDB8XncLNLM0lIy/F14RP588=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -193,29 +226,27 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-modernc.org/cc/v4 v4.21.0 h1:D/gLKtcztomvWbsbvBKo3leKQv+86f+DdqEZBBXhnag=
-modernc.org/cc/v4 v4.21.0/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
-modernc.org/ccgo/v4 v4.17.3 h1:t2CQci84jnxKw3GGnHvjGKjiNZeZqyQx/023spkk4hU=
-modernc.org/ccgo/v4 v4.17.3/go.mod h1:1FCbAtWYJoKuc+AviS+dH+vGNtYmFJqBeRWjmnDWsIg=
+modernc.org/cc/v4 v4.24.4 h1:TFkx1s6dCkQpd6dKurBNmpo+G8Zl4Sq/ztJ+2+DEsh0=
+modernc.org/cc/v4 v4.24.4/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.23.16 h1:Z2N+kk38b7SfySC1ZkpGLN2vthNJP1+ZzGZIlH7uBxo=
+modernc.org/ccgo/v4 v4.23.16/go.mod h1:nNma8goMTY7aQZQNTyN9AIoJfxav4nvTnvKThAeMDdo=
 modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
 modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
-modernc.org/gc/v2 v2.4.1 h1:9cNzOqPyMJBvrUipmynX0ZohMhcxPtMccYgGOJdOiBw=
-modernc.org/gc/v2 v2.4.1/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU=
-modernc.org/gc/v3 v3.0.0-20240304020402-f0dba7c97c2b h1:BnN1t+pb1cy61zbvSUV7SeI0PwosMhlAEi/vBY4qxp8=
-modernc.org/gc/v3 v3.0.0-20240304020402-f0dba7c97c2b/go.mod h1:Qz0X07sNOR1jWYCrJMEnbW/X55x206Q7Vt4mz6/wHp4=
-modernc.org/libc v1.50.5 h1:ZzeUd0dIc/sUtoPTCYIrgypkuzoGzNu6kbEWj2VuEmk=
-modernc.org/libc v1.50.5/go.mod h1:rhzrUx5oePTSTIzBgM0mTftwWHK8tiT9aNFUt1mldl0=
-modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
-modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
-modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E=
-modernc.org/memory v1.8.0/go.mod h1:XPZ936zp5OMKGWPqbD3JShgd/ZoQ7899TUuQqxY+peU=
-modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
-modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
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-modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
-modernc.org/sqlite v1.29.9 h1:9RhNMklxJs+1596GNuAX+O/6040bvOwacTxuFcRuQow=
-modernc.org/sqlite v1.29.9/go.mod h1:ItX2a1OVGgNsFh6Dv60JQvGfJfTPHPVpV6DF59akYOA=
-modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
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+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
 modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

internal/html2text/html2text.go

@@ -78,5 +78,6 @@ func clean(text string) string {
 	}, text)
 
 	text = re.ReplaceAllString(text, " ")
+
 	return strings.TrimSpace(text)
 }

internal/htmlcheck/caniemail-data.json

@@ -1,6 +1,6 @@
 {
 	"api_version":"1.0.4",
-	"last_update_date":"2024-04-19 09:12:53 +0000",
+	"last_update_date":"2024-11-29 15:25:23 +0000",
 	"nicenames":{"family":{"gmail":"Gmail","outlook":"Outlook","yahoo":"Yahoo! Mail","apple-mail":"Apple Mail","aol":"AOL","thunderbird":"Mozilla Thunderbird","microsoft":"Microsoft","samsung-email":"Samsung Email","sfr":"SFR","orange":"Orange","protonmail":"ProtonMail","hey":"HEY","mail-ru":"Mail.ru","fastmail":"Fastmail","laposte":"LaPoste.net","t-online-de":"T-online.de","free-fr":"Free.fr","gmx":"GMX","web-de":"WEB.DE","ionos-1and1":"1&1","rainloop":"RainLoop","wp-pl":"WP.pl"},"platform":{"desktop-app":"Desktop","desktop-webmail":"Desktop Webmail","mobile-webmail":"Mobile Webmail","webmail":"Webmail","ios":"iOS","android":"Android","windows":"Windows","macos":"macOS","windows-mail":"Windows Mail","outlook-com":"Outlook.com"},"support":{"supported":"Supported","mitigated":"Partially supported","unsupported":"Not supported","unknown":"Support unknown","mixed":"Mixed support"},"category":{"html":"HTML","css":"CSS","image":"Image formats","others":"Others"}},
 	"data":[
 		{
@@ -627,6 +627,22 @@
 			"notes_by_num":{"1":"The `caption-side` property in CSS is supported but the `<caption>` HTML element is not."}
 		},
 	
+		{
+			"slug":"css-clear",
+			"title":"clear",
+			"description":"Sets whether an element must be moved below (cleared) floating elements that precede it.",
+			"url":"https://www.caniemail.com/features/css-clear/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-09-06",
+			"test_url":"https://www.caniemail.com/tests/css-box-model.html",
+			"test_results_url":"https://testi.at/proj/gyjkc98dtyzxfd3bhz",
+			"stats":{"apple-mail":{"macos":{"11":"a #1","12":"y"},"ios":{"14":"a #1","15":"y"}},"gmail":{"desktop-webmail":{"2024-09":"y"},"ios":{"13":"a #2","16":"y"},"android":{"2024-09":"a #1"},"mobile-webmail":{"2024-09":"u"}},"orange":{"desktop-webmail":{"2024-09":"u"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2024-09":"n"},"macos":{"2024-09":"u"},"outlook-com":{"2024-09":"y"},"ios":{"2024-09":"y"},"android":{"2024-09":"a #1"}},"yahoo":{"desktop-webmail":{"2024-09":"a #1"},"ios":{"2024-09":"a #1"},"android":{"2024-09":"a #1"}},"aol":{"desktop-webmail":{"2024-09":"a #1"},"ios":{"2024-09":"a #1"},"android":{"2024-09":"a #1"}},"samsung-email":{"android":{"2024-09":"y"}},"sfr":{"desktop-webmail":{"2024-09":"u"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"thunderbird":{"macos":{"2024-09":"u"}},"protonmail":{"desktop-webmail":{"2024-09":"y"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"hey":{"desktop-webmail":{"2024-09":"u"}},"mail-ru":{"desktop-webmail":{"2024-09":"y"}},"fastmail":{"desktop-webmail":{"2024-09":"u"}},"laposte":{"desktop-webmail":{"2024-09":"u"}},"gmx":{"desktop-webmail":{"2024-09":"a #1"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"web-de":{"desktop-webmail":{"2024-09":"a #1"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-09":"u"},"android":{"2024-09":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. Logical property values `inline-start` and `inline-end` are not supported."}
+		},
+	
 		{
 			"slug":"css-clip-path",
 			"title":"clip-path",
@@ -691,6 +707,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-comments",
+			"title":"CSS comments",
+			"description":"Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet",
+			"url":"https://www.caniemail.com/features/css-comments/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-04-25",
+			"test_url":"https://www.caniemail.com/tests/css-comments.html",
+			"test_results_url":"https://testi.at/proj/n4ayign05k6cozot6",
+			"stats":{"apple-mail":{"macos":{"2024-04":"y"},"ios":{"2024-04":"y"}},"gmail":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"a #2"},"mobile-webmail":{"2024-04":"a #4"}},"orange":{"desktop-webmail":{"2024-08":"n #6"},"ios":{"2024-08":"n #6"},"android":{"2024-08":"n #6"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-04":"y"},"macos":{"2024-04":"y"},"outlook-com":{"2024-04":"y","2024-01":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"yahoo":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"a #1"},"android":{"2024-04":"a #1"}},"aol":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"a #1"},"android":{"2024-04":"a #1"}},"samsung-email":{"android":{"2024-04":"y"}},"sfr":{"desktop-webmail":{"2024-08":"a #5"},"ios":{"2024-08":"a #5"},"android":{"2024-08":"a #5"}},"thunderbird":{"macos":{"2024-04":"y"}},"protonmail":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"hey":{"desktop-webmail":{"2024-04":"u"}},"mail-ru":{"desktop-webmail":{"2024-04":"a #3"}},"fastmail":{"desktop-webmail":{"2024-04":"u"}},"laposte":{"desktop-webmail":{"2024-08":"a #5"}},"gmx":{"desktop-webmail":{"2024-04":"n"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"web-de":{"desktop-webmail":{"2024-04":"n"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-04":"u"},"android":{"2024-04":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. The first <head> in the HTML is removed, so comment needs to be in the `<style>` tag of a second `<head>` element.","2":"Partial. `<style>` tag not supported with non-google account. Comment inside `style:` attribute works.","3":"Partial. Comment inside `<style>` tag works. Comment inside `style` attribute strips the whole attribute.","4":"Partial. `<style>` tag not supported. Comment inside `style:` attribute works.","5":"Partial. Comment inside `style` attribute works.","6":"Not supported. The entire rule is removed within a `<style> element. The entire inline `style` attribute is removed."}
+		},
+	
 		{
 			"slug":"css-conic-gradient",
 			"title":"conic-gradient()",
@@ -787,6 +819,22 @@
 			"notes_by_num":{"1":"Partial. `flex`, `grid`, `flow-root`, `contents`, `inline flow-root`, `inline flex`, `inline grid`, `initial`, `revert`, `unset` are not supported with non Google accounts.","2":"Partial. `inline-flex`, `inline-grid`, `flex`, `grid`, `flow-root`, `contents`, `inline flow-root`, `inline flex`, `inline grid`, `initial`, `revert`, `unset` values are not supported.","3":"Buggy. Only the first value is kept with the two-value syntax.","4":"Buggy. `display:none` does not inherit to inner tables.","5":"Partial. Only supports `display:none` (but not on `<img>`).","6":"Partial. `flow-root`, `inline-flex`, `inline-grid`, `inline flow`, `contents`, `revert` are not supported.","7":"Partial. Two-value syntax are combined into a single one with a dash."}
 		},
 	
+		{
+			"slug":"css-empty-cells",
+			"title":"empty-cells",
+			"description":"Sets whether borders and backgrounds appear around `<table>` cells that have no visible content.",
+			"url":"https://www.caniemail.com/features/css-empty-cells/",
+			"category":"css",
+			"tags":[],
+			"keywords":"blank",
+			"last_test_date":"2024-08-23",
+			"test_url":"https://www.caniemail.com/tests/css-empty-cells.html",
+			"test_results_url":"https://testi.at/proj/kgl7t57xs8jxueze0v8",
+			"stats":{"apple-mail":{"macos":{"2024-08":"y"},"ios":{"2024-08":"y"}},"gmail":{"desktop-webmail":{"2024-08":"y"},"ios":{"2024-08":"y"},"android":{"2024-08":"y"},"mobile-webmail":{"2024-08":"u"}},"orange":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-08":"n"},"macos":{"2024-08":"y"},"outlook-com":{"2024-08":"y"},"ios":{"2024-08":"y"},"android":{"2024-08":"y"}},"yahoo":{"desktop-webmail":{"2024-08":"y"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"aol":{"desktop-webmail":{"2024-08":"y"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"samsung-email":{"android":{"2024-08":"y"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"hey":{"desktop-webmail":{"2024-08":"u"}},"mail-ru":{"desktop-webmail":{"2024-08":"n"}},"fastmail":{"desktop-webmail":{"2024-08":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-filter",
 			"title":"filter",
@@ -843,12 +891,12 @@
 			"category":"css",
 			"tags":[],
 			"keywords":null,
-			"last_test_date":"2019-02-28",
+			"last_test_date":"2024-05-08",
 			"test_url":"https://www.caniemail.com/tests/css-box-model.html",
-			"test_results_url":"https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n #1","2010":"n #1","2013":"n #1","2016":"n #1","2019":"n #1"},"windows-mail":{"2019-02":"n #1"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"n","2023-01":"y"}},"aol":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
+			"test_results_url":"https://testi.at/proj/gyjkc98dtyzxfd3bhz",
+			"stats":{"apple-mail":{"macos":{"11.7":"a #2","12.4":"y"},"ios":{"14":"a #2","15":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y","2024-05":"a #2"},"android":{"2019-02":"y","2024-05":"a #2"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n #1","2010":"n #1","2013":"n #1","2016":"n #1","2019":"n #1"},"windows-mail":{"2019-02":"n #1"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y","2024-05":"a #2"},"ios":{"2019-02":"y","2024-05":"a #2"},"android":{"2019-02":"n","2023-01":"y","2024-05":"a #2"}},"aol":{"desktop-webmail":{"2019-02":"y","2024-05":"a #2"},"ios":{"2019-02":"y","2024-05":"a #2"},"android":{"2019-02":"y","2024-05":"a #2"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y","2024-05":"a #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y","2024-05":"a #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
-			"notes_by_num":{"1":"Not supported. `table` and `img` elements can use an `align` attribute to get a similar effect."}
+			"notes_by_num":{"1":"Not supported. `table` and `img` elements can use an `align` attribute to get a similar effect.","2":"Partial. Logical property values `inline-start` and `inline-end` are not supported."}
 		},
 	
 		{
@@ -925,7 +973,7 @@
 			"keywords":null,
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-text.html",
-			"test_results_url":"https: //app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
+			"test_results_url":"https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
 			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a #1","2020-12":"y"},"android":{"2019-02":"a #1","2020-12":"y"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-01":"y","2021-03":"y"},"ios":{"2020-01":"y"},"android":{"2020-01":"y"}},"outlook":{"windows":{"2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2019-02":"y"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"aol":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2020-01":"y"},"ios":{"2020-01":"y"},"android":{"2020-01":"y"}},"thunderbird":{"macos":{"68.4":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts."}
@@ -947,6 +995,22 @@
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts."}
 		},
 	
+		{
+			"slug":"css-function-light-dark",
+			"title":"light-dark()",
+			"description":"Enables setting two colors (one for light and the other for dark mode) for a property.",
+			"url":"https://www.caniemail.com/features/css-function-light-dark/",
+			"category":"css",
+			"tags":[],
+			"keywords":"dark, light",
+			"last_test_date":"2024-08-14",
+			"test_url":"https://www.caniemail.com/tests/css-function-light-dark.html",
+			"test_results_url":"https://app.emailonacid.com/app/acidtest/Lai13xyIE95H6jo1BBs6ay0f3RvJdPL344S3j3M7FbeU4/list",
+			"stats":{"apple-mail":{"macos":{"16.0":"y #1"},"ios":{"17.5.1":"y"}},"gmail":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"},"mobile-webmail":{"2024-08":"n"}},"orange":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2024-08":"n"},"macos":{"16.88":"n"},"outlook-com":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"samsung-email":{"android":{"6.0":"u"}},"sfr":{"desktop-webmail":{"2024-08":"a #2"},"ios":{"2024-08":"a #1 #2"},"android":{"2024-08":"u"}},"thunderbird":{"macos":{"115.10.1":"n","128.1.0":"y"}},"aol":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"yahoo":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"protonmail":{"desktop-webmail":{"2024-08":"a #2"},"ios":{"2024-08":"y #1"},"android":{"2024-08":"u"}},"hey":{"desktop-webmail":{"2024-08":"a #2"}},"mail-ru":{"desktop-webmail":{"2024-08":"a #2"}},"fastmail":{"desktop-webmail":{"2024-08":"u"}},"laposte":{"desktop-webmail":{"2024-08":"a #2"}},"free-fr":{"desktop-webmail":{"2024-08":"n"}},"t-online-de":{"desktop-webmail":{"2024-08":"a #2"}},"gmx":{"desktop-webmail":{"2024-08":"n"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Only supported if you’ve updated your OS with Safari 17.5 or later.","2":"Buggy. The function is supported but the color stays light even in dark mode."}
+		},
+	
 		{
 			"slug":"css-function-max",
 			"title":"max()",
@@ -1027,6 +1091,38 @@
 			"notes_by_num":{"1":"Buggy. Replaces `height` by `min-height`.","2":"Partial. Not supported on `<body>`, `<span>`, `<div>` or `<p>` elements."}
 		},
 	
+		{
+			"slug":"css-hyphenate-character",
+			"title":"hyphenate-character",
+			"description":"Sets the character (or string) used at the end of a line before a hyphenation break.",
+			"url":"https://www.caniemail.com/features/css-hyphenate-character/",
+			"category":"css",
+			"tags":[],
+			"keywords":"hyphens, break",
+			"last_test_date":"2024-06-19",
+			"test_url":"https://www.caniemail.com/tests/css-hyphenate-character.html",
+			"test_results_url":"https://testi.at/proj/vr3e1e5bikda08oxc2",
+			"stats":{"apple-mail":{"macos":{"20":"n","21":"n","22":"n","23":"y"},"ios":{"11":"n","12":"n","13":"n","14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"},"mobile-webmail":{"2024-06":"n"}},"orange":{"desktop-webmail":{"2024-06":"u"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-06":"n"},"macos":{"2024-06":"n"},"outlook-com":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"}},"yahoo":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"}},"aol":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"}},"samsung-email":{"android":{"2024-06":"y"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-06":"u"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"hey":{"desktop-webmail":{"2024-06":"u"}},"mail-ru":{"desktop-webmail":{"2024-06":"a #1"}},"fastmail":{"desktop-webmail":{"2024-06":"u"}},"laposte":{"desktop-webmail":{"2024-06":"u"}},"gmx":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"web-de":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-06":"u"},"android":{"2024-06":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. Does not support encoded character values"}
+		},
+	
+		{
+			"slug":"css-hyphenate-limit-chars",
+			"title":"hyphenate-limit-chars",
+			"description":"Specifies the minimum word length to allow hyphenation of words as well as the minimum number of characters before and after the hyphen.",
+			"url":"https://www.caniemail.com/features/css-hyphenate-limit-chars/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-08-08",
+			"test_url":"https://www.caniemail.com/tests/css-hyphenate-limit-chars.html",
+			"test_results_url":"https://testi.at/proj/kgljcojhdyrfdv5s2",
+			"stats":{"apple-mail":{"macos":{"2024-08":"n"},"ios":{"2024-08":"n"}},"gmail":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"},"mobile-webmail":{"2024-08":"n"}},"orange":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-08":"n"},"macos":{"2024-08":"n"},"outlook-com":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"yahoo":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"aol":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"samsung-email":{"android":{"2024-08":"n"}},"sfr":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"thunderbird":{"macos":{"2024-08":"n"}},"protonmail":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"hey":{"desktop-webmail":{"2024-08":"u"}},"mail-ru":{"desktop-webmail":{"2024-08":"y"}},"fastmail":{"desktop-webmail":{"2024-08":"u"}},"laposte":{"desktop-webmail":{"2024-08":"u"}},"gmx":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"web-de":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-08":"u"},"android":{"2024-08":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-hyphens",
 			"title":"hyphens",
@@ -1075,6 +1171,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-inset",
+			"title":"inset",
+			"description":"Shorthand that corresponds to the `top`, `right`, `bottom`, and/or `left` properties",
+			"url":"https://www.caniemail.com/features/css-inset/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-29",
+			"test_url":"https://www.caniemail.com/tests/css-inset.html",
+			"test_results_url":"https://testi.at/proj/rlpdia3k18jytjx8c2",
+			"stats":{"apple-mail":{"macos":{"10.15":"n","11.7":"y"},"ios":{"14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2024-05":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"n"},"outlook-com":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"n"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"thunderbird":{"macos":{"2024-05":"y"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"n"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-intrinsic-size",
 			"title":"fit-content, min-content, max-content",
@@ -1310,11 +1422,27 @@
 			"last_test_date":"2019-10-01",
 			"test_url":"https://www.caniemail.com/tests/css-margin.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/UmR6V6XenYY9bQiABuLGZRRrdP3fj2ZraiJjEyi4WKBho/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.4":"y"}},"gmail":{"desktop-webmail":{"2019-10":"a #1"},"ios":{"2019-10":"a #1"},"android":{"2019-10":"a #1"},"mobile-webmail":{"2020-02":"a #1"}},"orange":{"desktop-webmail":{"2019-10":"y","2021-03":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"outlook":{"windows":{"2003":"y","2007":"a #1 #2 #3 #4","2010":"a #1 #2 #3 #4","2013":"a #1 #2 #3 #4","2016":"a #1 #2 #3 #4","2019":"a #1 #2 #3 #4"},"windows-mail":{"2019-10":"a #1 #2 #3"},"macos":{"2011":"y","2016":"y","16.80":"a #1"},"outlook-com":{"2019-10":"a #1","2023-12":"a #1"},"ios":{"2.51.1":"y","4.3.1":"a #1"},"android":{"2019-10":"a #1"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"yahoo":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"a #1"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
+			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.4":"y"}},"gmail":{"desktop-webmail":{"2019-10":"a #1"},"ios":{"2019-10":"a #1"},"android":{"2019-10":"a #1"},"mobile-webmail":{"2020-02":"a #1"}},"orange":{"desktop-webmail":{"2019-10":"y","2021-03":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"outlook":{"windows":{"2003":"y","2007":"a #1 #2 #3 #4","2010":"a #1 #2 #3 #4","2013":"a #1 #2 #3 #4","2016":"a #1 #2 #3 #4","2019":"a #1 #2 #3 #4"},"windows-mail":{"2019-10":"a #1 #2 #3"},"macos":{"2011":"y","2016":"y","16.80":"a #1"},"outlook-com":{"2019-10":"a #1","2023-12":"a #1"},"ios":{"2.51.1":"y","4.3.1":"a #1"},"android":{"2019-10":"a #1"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2019-10":"y","2024-10":"a #1"},"ios":{"2019-10":"y","2024-10":"a #1"},"android":{"2019-10":"y","2024-10":"a #1"}},"yahoo":{"desktop-webmail":{"2019-10":"y","2024-10":"a #1"},"ios":{"2019-10":"y","2024-10":"a #1"},"android":{"2019-10":"y","2024-10":"a #1"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"a #1"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial. Negative values are not supported.","2":"Partial. Not supported on `<span>` and `<body>` elements.","3":"Buggy. `background-color` is included inside the `margin`.","4":"Partial. `auto` value is not supported."}
 		},
 	
+		{
+			"slug":"css-mask-image",
+			"title":"mask-image",
+			"description":"Sets the image that is used as mask layer for an element",
+			"url":"https://www.caniemail.com/features/css-mask-image/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-11-27",
+			"test_url":"https://www.caniemail.com/tests/css-mask-image.html",
+			"test_results_url":"https://testi.at/proj/x9aotv8ysvn805531p",
+			"stats":{"apple-mail":{"macos":{"10":"n","11":"n","12":"y","13":"y","14":"y","15":"y"},"ios":{"11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"}},"gmail":{"desktop-webmail":{"2024-11":"n"},"ios":{"2024-11":"n"},"android":{"2024-11":"n"},"mobile-webmail":{"2024-11":"n"}},"orange":{"desktop-webmail":{"2024-11":"u"},"ios":{"2024-11":"u"},"android":{"2024-11":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n","2024":"n"},"windows-mail":{"2024-11":"n"},"macos":{"2024-11":"y"},"outlook-com":{"2024-11":"n"},"ios":{"2024-11":"n"},"android":{"2024-11":"n"}},"yahoo":{"desktop-webmail":{"2024-11":"n"},"ios":{"2024-11":"n"},"android":{"2024-11":"n"}},"aol":{"desktop-webmail":{"2024-11":"n"},"ios":{"2024-11":"n"},"android":{"2024-11":"n"}},"samsung-email":{"android":{"2024-11":"y"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-11":"u"},"ios":{"2024-11":"u"},"android":{"2024-11":"u"}},"hey":{"desktop-webmail":{"2024-11":"u"}},"mail-ru":{"desktop-webmail":{"2024-11":"y"}},"fastmail":{"desktop-webmail":{"2024-11":"u"}},"laposte":{"desktop-webmail":{"2024-11":"u"}},"gmx":{"desktop-webmail":{"2024-11":"n"},"ios":{"2024-11":"u"},"android":{"2024-11":"u"}},"web-de":{"desktop-webmail":{"2024-11":"n"},"ios":{"2024-11":"u"},"android":{"2024-11":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-11":"u"},"android":{"2024-11":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-max-block-size",
 			"title":"max-block-size",
@@ -1347,6 +1475,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-max-inline-size",
+			"title":"max-inline-size",
+			"description":"Defines the horizontal or vertical maximum size of an element's block, depending on its writing mode",
+			"url":"https://www.caniemail.com/features/css-max-inline-size/",
+			"category":"css",
+			"tags":[],
+			"keywords":"max, inline, size",
+			"last_test_date":"2024-05-31",
+			"test_url":"https://www.caniemail.com/tests/css-max-inline-size.html",
+			"test_results_url":"https://testi.at/proj/8r8g0dn81y8jc72z09",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"},"mobile-webmail":{"2024-05":"n"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"n"},"outlook-com":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-max-width",
 			"title":"max-width",
@@ -1363,6 +1507,22 @@
 			"notes_by_num":{"1":"Partial. Only works on `<table>` elements.","2":"Partial. Doesn't work on `<table>` elements, as per [CSS 2.1 specification](https://www.w3.org/TR/CSS2/visudet.html#min-max-widths)."}
 		},
 	
+		{
+			"slug":"css-min-block-size",
+			"title":"min-block-size",
+			"description":"Defines the minimum horizontal or vertical size of an element's block, depending on its writing mode",
+			"url":"https://www.caniemail.com/features/css-min-block-size/",
+			"category":"css",
+			"tags":[],
+			"keywords":"min, block, size",
+			"last_test_date":"2024-05-31",
+			"test_url":"https://www.caniemail.com/tests/css-min-block-size.html",
+			"test_results_url":"https://testi.at/proj/73yg05zgtpk3cez6ua5",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"},"mobile-webmail":{"2024-05":"n"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"n"},"outlook-com":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-min-height",
 			"title":"min-height property",
@@ -1390,7 +1550,7 @@
 			"last_test_date":"2022-08-30",
 			"test_url":"https://www.caniemail.com/tests/css-min-inline-size.html",
 			"test_results_url":"https://testi.at/proj/6m0cx5puENPh8pLi9rpSPzJSB",
-			"stats":{"apple-mail":{"macos":{"16":"y","17":"y","18":"y","19":"y","20":"y","21":"y"},"ios":{"11":"y","12":"y","13":"y","14":"y","15":"y"}},"gmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-08":"n"},"mobile-webmail":{"2022-07":"u"}},"orange":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-07":"n"},"macos":{"2022-07":"y","16.80":"n"},"outlook-com":{"2022-07":"n","2024-01":"n"},"ios":{"2022-07":"y"},"android":{"2022-07":"n"}},"yahoo":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"aol":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"samsung-email":{"android":{"2022-07":"y"}},"sfr":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"protonmail":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"hey":{"desktop-webmail":{"2022-07":"u"}},"mail-ru":{"desktop-webmail":{"2022-07":"y"}},"fastmail":{"desktop-webmail":{"2022-07":"u"}}},
+			"stats":{"apple-mail":{"macos":{"16":"y","17":"y","18":"y","19":"y","20":"y","21":"y"},"ios":{"11":"y","12":"y","13":"y","14":"y","15":"y"}},"gmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-08":"n"},"mobile-webmail":{"2022-07":"n"}},"orange":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-07":"n"},"macos":{"2022-07":"y","16.80":"n"},"outlook-com":{"2022-07":"n","2024-01":"n"},"ios":{"2022-07":"y"},"android":{"2022-07":"n"}},"yahoo":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"aol":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"samsung-email":{"android":{"2022-07":"y"}},"sfr":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"protonmail":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"hey":{"desktop-webmail":{"2022-07":"u"}},"mail-ru":{"desktop-webmail":{"2022-07":"y"}},"fastmail":{"desktop-webmail":{"2022-07":"u"}}},
 			"notes":null,
 			"notes_by_num":null
 		},
@@ -1507,6 +1667,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-orphans",
+			"title":"orphans",
+			"description":"Sets the minimum number of lines in a block container split on an old page, region or column.",
+			"url":"https://www.caniemail.com/features/css-orphans/",
+			"category":"css",
+			"tags":[],
+			"keywords":"columns",
+			"last_test_date":"2024-06-13",
+			"test_url":"https://www.caniemail.com/tests/css-widows.html",
+			"test_results_url":"https://testi.at/proj/6vd8udzx1b5l1vrnsr",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n #4"},"ios":{"2024-05":"n"},"android":{"2024-05":"n #3"},"mobile-webmail":{"2024-05":"n #1 #2"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y #4"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. `columns` property is stripped which is required for `orphans` to work","2":"Buggy. `orphans` property value is replaced by `auto`","3":"Not supported, but Gmail's default styles on the email message container includes the `orphans` property. These values are inherited by children elements","4":"Webmail rendering depends on browser support"}
+		},
+	
 		{
 			"slug":"css-outline-offset",
 			"title":"outline-offset",
@@ -1558,17 +1734,17 @@
 		{
 			"slug":"css-overflow",
 			"title":"overflow",
-			"description":"",
+			"description":"Sets the desired behavior when content does not fit in the element's padding box",
 			"url":"https://www.caniemail.com/features/css-overflow/",
 			"category":"css",
 			"tags":[],
 			"keywords":null,
-			"last_test_date":"2019-02-28",
+			"last_test_date":"2024-10-02",
 			"test_url":"https://www.caniemail.com/tests/css-box-model.html",
-			"test_results_url":"https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"a #1"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2019-08":"n #2","2021-03":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2019-02":"n"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y","2024-01":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"n"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
+			"test_results_url":"https://testi.at/proj/p4rru3ez069p15p6ij",
+			"stats":{"apple-mail":{"macos":{"12.4":"a #1","2024-10":"a #4"},"ios":{"12.1":"y","2024-10":"a #4"}},"gmail":{"desktop-webmail":{"2019-02":"y","2024-10":"a #4"},"ios":{"2019-02":"y","2024-10":"a #4"},"android":{"2019-02":"y","2024-10":"a #4"},"mobile-webmail":{"2020-02":"y","2024-10":"a #4"}},"orange":{"desktop-webmail":{"2019-08":"n #2","2021-03":"y","2024-10":"a #3"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2019-02":"n"},"macos":{"2019-02":"y","16.80":"y","2024-10":"a #4"},"outlook-com":{"2019-02":"y","2024-01":"y","2024-10":"a #3"},"ios":{"2019-02":"y","2024-10":"a #4"},"android":{"2019-02":"n"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y","2024-10":"a #4"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"y","2024-10":"a #4"},"ios":{"2019-02":"y","2024-10":"a #4"},"android":{"2019-02":"n"}},"samsung-email":{"android":{"5.0.10.2":"y","2024-10":"a #4"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y","2024-10":"a #3"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y","2024-10":"a #3"},"ios":{"2022-06":"y","2024-10":"a #3"},"android":{"2022-06":"y","2024-10":"a #3"}},"web-de":{"desktop-webmail":{"2022-06":"y","2024-10":"a #3"},"ios":{"2022-06":"y","2024-10":"a #3"},"android":{"2022-06":"y","2024-10":"a #3"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
-			"notes_by_num":{"1":"Buggy. Cannot scroll through to hidden content.","2":"Not supported. `overflow` is replaced by `java-script`."}
+			"notes_by_num":{"1":"Buggy. Cannot scroll through to hidden content.","2":"Not supported. `overflow` is replaced by `java-script`.","3":"Partial. Support for `overflow-block` & `overflow-inline` depends on browser support.","4":"Partial. `overflow-block` & `overflow-inline` not supported."}
 		},
 	
 		{
@@ -2524,8 +2700,8 @@
 			"tags":[],
 			"keywords":"underline",
 			"last_test_date":"2019-02-28",
-			"test_url":"https://www.caniemail.com/tests/css-text.html",
-			"test_results_url":"https: //app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
+			"test_url":"https://www.caniemail.com/tests/css-text-decoration.html",
+			"test_results_url":"https://app.emailonacid.com/app/acidtest/3r2uYHjW7RohepVjh05qVkSQ9t7gJVJd6O5ABI8grFvqQ/list",
 			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a #1"},"android":{"2019-02":"a #1"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-01":"y","2021-03":"y"},"ios":{"2020-01":"n"},"android":{"2020-01":"y"}},"outlook":{"windows":{"2007":"a #2 #3","2010":"a #2 #3","2013":"a #2 #3","2016":"a #2 #3","2019":"a #2 #3"},"windows-mail":{"2019-02":"a #2 #3"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y","2024-01":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"aol":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2020-01":"y"},"ios":{"2020-01":"n"},"android":{"2020-01":"y"}},"thunderbird":{"macos":{"68.4":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"n"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-07":"a #4"},"ios":{"2022-07":"a #5"},"android":{"2022-07":"y"}},"web-de":{"desktop-webmail":{"2022-07":"a #4"},"ios":{"2022-07":"a #5"},"android":{"2022-07":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-07":"y"},"android":{"2022-07":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts.","2":"Partial. Not supported with multiple values.","3":"Partial. `overline` is not supported.","4":"Partial. Only supports the line property, not style, color or thickness.","5":"Partial. Only supports style, color or thickness when written with long hand selectors."}
@@ -2579,6 +2755,22 @@
 			"notes_by_num":{"1":"Partial. Negative values are not supported.","2":"Partial. Hard-coded negative values are not supported, but negative values as a result of the `calc()` function are supported."}
 		},
 	
+		{
+			"slug":"css-text-justify",
+			"title":"text-justify",
+			"description":"Sets what type of justification should be applied to text when `text-align: justify;` is set on an element.",
+			"url":"https://www.caniemail.com/features/css-text-justify/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-04-17",
+			"test_url":"https://www.caniemail.com/tests/css-text-justify.html",
+			"test_results_url":"https://testi.at/proj/z7b61px4fel2ivk9sb2",
+			"stats":{"apple-mail":{"macos":{"2024-04":"n #1"},"ios":{"2024-04":"n #1"}},"gmail":{"desktop-webmail":{"2024-04":"a #2"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"},"mobile-webmail":{"2024-04":"a #2"}},"orange":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"outlook":{"windows":{"2013":"a #3","2016":"a #3","2019":"a #3","2021":"a #3"},"windows-mail":{"2024-04":"n #5"},"macos":{"2024-04":"n #1"},"outlook-com":{"2024-04":"a #2"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"}},"yahoo":{"desktop-webmail":{"2024-04":"a #2 #4"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"}},"aol":{"desktop-webmail":{"2024-04":"n #2 #4"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"}},"samsung-email":{"android":{"2024-04":"n #1"}},"sfr":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"thunderbird":{"macos":{"2024-04":"u"}},"protonmail":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"hey":{"desktop-webmail":{"2024-04":"u"}},"mail-ru":{"desktop-webmail":{"2024-04":"a #2"}},"fastmail":{"desktop-webmail":{"2024-04":"u"}},"laposte":{"desktop-webmail":{"2024-04":"u"}},"gmx":{"desktop-webmail":{"2024-04":"a #2"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"web-de":{"desktop-webmail":{"2024-04":"n #1"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-04":"u"},"android":{"2024-04":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. `text-justify` is stripped","2":"Partial. Depends on browser support","3":"Partial. `text-justify` is stripped except when the value is `inter-character`","4":"Partial. `text-justify` is stripped except when the value is `inter-word` or `distribute`","5":"Buggy. `text-justify` values `none`, `inter-word` and `distribute` are replaced with `inter-ideograph`"}
+		},
+	
 		{
 			"slug":"css-text-orientation",
 			"title":"text-orientation",
@@ -2990,9 +3182,9 @@
 			"last_test_date":"2020-02-25",
 			"test_url":"https://www.caniemail.com/tests/css-units.html",
 			"test_results_url":"",
-			"stats":{"apple-mail":{"macos":{"13":"y"},"ios":{"13":"y"}},"gmail":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"},"mobile-webmail":{"2020-02":"y"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-02":"n"},"macos":{"2016":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"n","2024-04":"n"},"ios":{"2020-02":"y","2024-04":"n"},"android":{"2020-02":"y","2024-04":"n"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"web-de":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-08":"y"},"android":{"2022-08":"y"}}},
+			"stats":{"apple-mail":{"macos":{"13":"y"},"ios":{"13":"y"}},"gmail":{"desktop-webmail":{"2020-02":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"},"mobile-webmail":{"2020-02":"y"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-02":"n"},"macos":{"2016":"y","16.80":"y"},"outlook-com":{"2020-02":"y #1","2024-01":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"n","2024-04":"n"},"ios":{"2020-02":"y","2024-04":"n"},"android":{"2020-02":"y","2024-04":"n"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y #1"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"web-de":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-08":"y"},"android":{"2022-08":"y"}}},
 			"notes":"",
-			"notes_by_num":{}
+			"notes_by_num":{"1":"The HTML of the email message is embedded directly on the webmail (not in an <iframe>) and may not fill the full viewport's width. In this case, the vw values are relevant to the viewport (browser window) not the email message."}
 		},
 	
 		{
@@ -3059,6 +3251,22 @@
 			"notes_by_num":{"1":"Buggy. `visibility:collapse` applied to a `<tr>` only hides content and does not \"remove\" it from layout.","2":"Partially supported. `visibility:collapse` is not supported."}
 		},
 	
+		{
+			"slug":"css-white-space-collapse",
+			"title":"white-space-collapse",
+			"description":"Controls how white space inside an element is collapsed.",
+			"url":"https://www.caniemail.com/features/css-white-space-collapse/",
+			"category":"css",
+			"tags":[],
+			"keywords":"break, space, collapse, hide",
+			"last_test_date":"2024-09-04",
+			"test_url":"https://www.caniemail.com/tests/css-white-space-collapse.html",
+			"test_results_url":"https://testi.at/proj/e6y4s3zytp5kty7kcg",
+			"stats":{"apple-mail":{"macos":{"10":"n","11":"n","12":"n","13":"n","14":"y #1"},"ios":{"15":"y #1"}},"gmail":{"desktop-webmail":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"},"mobile-webmail":{"2024-09":"n"}},"orange":{"desktop-webmail":{"2024-09":"u"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-09":"n"},"macos":{"2024-09":"n"},"outlook-com":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"}},"yahoo":{"desktop-webmail":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"}},"aol":{"desktop-webmail":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"}},"samsung-email":{"android":{"2024-09":"y #1"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-09":"u"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"hey":{"desktop-webmail":{"2024-09":"u"}},"mail-ru":{"desktop-webmail":{"2024-09":"y #1"}},"fastmail":{"desktop-webmail":{"2024-09":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. `preserve-spaces` value works only on Firefox."}
+		},
+	
 		{
 			"slug":"css-white-space",
 			"title":"white-space",
@@ -3075,6 +3283,22 @@
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts.","2":"Partial. `pre` value is not supported."}
 		},
 	
+		{
+			"slug":"css-widows",
+			"title":"widows",
+			"description":"Sets the minimum number of lines in a block container split on a new page, region or column.",
+			"url":"https://www.caniemail.com/features/css-widows/",
+			"category":"css",
+			"tags":[],
+			"keywords":"columns",
+			"last_test_date":"2024-05-03",
+			"test_url":"https://www.caniemail.com/tests/css-widows.html",
+			"test_results_url":"https://testi.at/proj/6vd8udzx1b5l1vrnsr",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n #4"},"ios":{"2024-05":"n"},"android":{"2024-05":"n #3"},"mobile-webmail":{"2024-05":"n #1 #2"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y #4"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. `columns` property is stripped which is required for `widows` to work","2":"Buggy. `widows` property value is replaced by `auto`","3":"Not supported, but Gmail's default styles on the email message container includes the `widows` property. These values are inherited by children elements","4":"Webmail rendering depends on browser support"}
+		},
+	
 		{
 			"slug":"css-width",
 			"title":"width property",
@@ -3443,6 +3667,38 @@
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts.","2":"Partial. The element is present but is not interactive."}
 		},
 	
+		{
+			"slug":"html-cellpadding",
+			"title":"cellpadding attribute",
+			"description":"Represents the padding around the individual cells of the table",
+			"url":"https://www.caniemail.com/features/html-cellpadding/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-01",
+			"test_url":"https://www.caniemail.com/tests/html-cellspacing.html",
+			"test_results_url":"https://testi.at/proj/rlpatnzxf3eyce9oc3",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"},"mobile-webmail":{"2024-05":"y"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-05":"y"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y","2024-01":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"aol":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"thunderbird":{"macos":{"2024-05":"y"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2024-05":"u"}},"gmx":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
+		{
+			"slug":"html-cellspacing",
+			"title":"cellspacing attribute",
+			"description":"Represents the spacing around the individual `<th>` and `<td>` elements",
+			"url":"https://www.caniemail.com/features/html-cellspacing/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-01",
+			"test_url":"https://www.caniemail.com/tests/html-cellspacing.html",
+			"test_results_url":"https://testi.at/proj/rlpatnzxf3eyce9oc3",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"},"mobile-webmail":{"2024-05":"y"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-05":"y"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y","2024-01":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"aol":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"thunderbird":{"macos":{"2024-05":"y"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2024-05":"u"}},"gmx":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-code",
 			"title":"<code> element",
@@ -3459,6 +3715,22 @@
 			"notes_by_num":{"1":"Not supported. The tags are removed but the content is kept."}
 		},
 	
+		{
+			"slug":"html-comments",
+			"title":"HTML comments",
+			"description":"Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet",
+			"url":"https://www.caniemail.com/features/html-comments/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-1",
+			"test_url":"https://www.caniemail.com/tests/css-comments.html",
+			"test_results_url":"https://testi.at/proj/n4ayign05k6cozot6",
+			"stats":{"apple-mail":{"macos":{"2024-04":"y"},"ios":{"2024-04":"y"}},"gmail":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"},"mobile-webmail":{"2024-04":"y"}},"orange":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-04":"y"},"macos":{"2024-04":"y"},"outlook-com":{"2024-04":"y","2024-01":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"yahoo":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"aol":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"samsung-email":{"android":{"2024-04":"y"}},"sfr":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"thunderbird":{"macos":{"2024-04":"y"}},"protonmail":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"hey":{"desktop-webmail":{"2024-04":"u"}},"mail-ru":{"desktop-webmail":{"2024-04":"y"}},"fastmail":{"desktop-webmail":{"2024-04":"u"}},"laposte":{"desktop-webmail":{"2024-04":"u"}},"gmx":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"web-de":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-04":"u"},"android":{"2024-04":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-del",
 			"title":"<del> element",
@@ -3931,12 +4203,12 @@
 			"category":"html",
 			"tags":["accessibility","performance"],
 			"keywords":"picture, responsive image",
-			"last_test_date":"2019-05-29",
+			"last_test_date":"2024-04-15",
 			"test_url":"https://www.caniemail.com/tests/html-picture.html",
-			"test_results_url":"https://app.emailonacid.com/app/acidtest/AQoLHTLaC6F6JcMrkx38M7oyiJlAlXeRnJgkK06bSJiBR/list",
-			"stats":{"apple-mail":{"macos":{"10.3":"y"},"ios":{"10.3":"y","12.2":"y"}},"gmail":{"desktop-webmail":{"2019-05":"n #1"},"ios":{"2019-05":"n #1"},"android":{"2019-05":"n #1"},"mobile-webmail":{"2020-02":"n #1"}},"orange":{"desktop-webmail":{"2019-05":"y","2021-03":"n","2024-04":"n"},"ios":{"2019-05":"y","2024-04":"n"},"android":{"2019-05":"y","2024-04":"n"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-01":"n"},"macos":{"2011":"y","2016":"y","16.62":"n","16.80":"n"},"outlook-com":{"2019-05":"n","2024-01":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-05":"y"},"ios":{"2019-05":"y"},"android":{"2019-05":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"yahoo":{"desktop-webmail":{"2019-05":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"protonmail":{"desktop-webmail":{"2020-03":"n"},"ios":{"2020-03":"n"},"android":{"2020-03":"n"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"web-de":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-11":"n"},"android":{"2022-11":"n"}}},
+			"test_results_url":"https://testi.at/proj/vr32cxxk1exntxrjfdp",
+			"stats":{"apple-mail":{"macos":{"10.3":"y","10.15":"a #2","11.7":"a #2","12.7":"a #2","13.6":"a #2","14.4":"a #2"},"ios":{"10.3":"y","12.2":"y"}},"gmail":{"desktop-webmail":{"2019-05":"n #1"},"ios":{"2019-05":"n #1"},"android":{"2019-05":"n #1"},"mobile-webmail":{"2020-02":"n #1"}},"orange":{"desktop-webmail":{"2019-05":"y","2021-03":"n","2024-04":"n"},"ios":{"2019-05":"y","2024-04":"n"},"android":{"2019-05":"y","2024-04":"n"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-01":"n"},"macos":{"2011":"y","2016":"y","16.62":"n","16.80":"n"},"outlook-com":{"2019-05":"n","2024-01":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-05":"y"},"ios":{"2019-05":"y"},"android":{"2019-05":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"yahoo":{"desktop-webmail":{"2019-05":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"protonmail":{"desktop-webmail":{"2020-03":"n"},"ios":{"2020-03":"n"},"android":{"2020-03":"n"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"web-de":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-11":"n"},"android":{"2022-11":"n"}}},
 			"notes":"",
-			"notes_by_num":{"1":"`<picture>` and `<source>` tags are replaced by `<u></u>` tags."}
+			"notes_by_num":{"1":"`<picture>` and `<source>` tags are replaced by `<u></u>` tags.","2":"`<picture>` tag is stripped in some cases (like having too few content or no background-color)."}
 		},
 	
 		{
@@ -4157,7 +4429,7 @@
 			"keywords":null,
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-text.html",
-			"test_results_url":"https: //app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
+			"test_results_url":"https://app.emailonacid.com/app/acidtest/DkqbHs69ek5UnK6uhZ7Uj0n5GVQNTP4Z1FvgXvnKyEoTM/list",
 			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a #1"},"android":{"2019-02":"a #1"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-01":"y","2021-03":"y"},"ios":{"2020-01":"y"},"android":{"2020-01":"y"}},"outlook":{"windows":{"2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2019-02":"y"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y","2024-01":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"aol":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2020-01":"y"},"ios":{"2020-01":"y"},"android":{"2020-01":"y"}},"thunderbird":{"macos":{"68.4":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-11":"y"},"ios":{"2022-11":"y"},"android":{"2022-11":"y"}},"web-de":{"desktop-webmail":{"2022-11":"y"},"ios":{"2022-11":"y"},"android":{"2022-11":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-11":"y"},"android":{"2022-11":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts."}
@@ -4366,7 +4638,7 @@
 			"last_test_date":"2020-02-06",
 			"test_url":"https://www.caniemail.com/tests/images.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
-			"stats":{"apple-mail":{"macos":{"13":"y"},"ios":{"13":"y"}},"gmail":{"desktop-webmail":{"2020-02":"n"},"ios":{"2020-02":"n"},"android":{"2020-02":"n"},"mobile-webmail":{"2020-02":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"a #1"},"windows-mail":{"2020-02":"n"},"macos":{"2016":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"n #2","2021-03":"y","2024-04":"y"},"ios":{"2020-02":"n","2024-04":"y"},"android":{"2020-02":"n","2024-04":"y"}},"sfr":{"desktop-webmail":{"2020-02":"n #2"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"n #2"}},"gmx":{"desktop-webmail":{"2022-09":"a #3"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"web-de":{"desktop-webmail":{"2022-09":"a #3"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-09":"y"},"android":{"2022-09":"y"}}},
+			"stats":{"apple-mail":{"macos":{"13":"y"},"ios":{"13":"y"}},"gmail":{"desktop-webmail":{"2020-02":"n","2024-05":"n"},"ios":{"2020-02":"n"},"android":{"2020-02":"n"},"mobile-webmail":{"2020-02":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"a #1"},"windows-mail":{"2020-02":"n"},"macos":{"2016":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"n #2","2021-03":"y","2024-04":"y"},"ios":{"2020-02":"n","2024-04":"y"},"android":{"2020-02":"n","2024-04":"y"}},"sfr":{"desktop-webmail":{"2020-02":"n #2"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"n #2"}},"gmx":{"desktop-webmail":{"2022-09":"a #3"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"web-de":{"desktop-webmail":{"2022-09":"a #3"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-09":"y"},"android":{"2022-09":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial: Does not render Base 64 gif format.","2":"Not supported. The `src` is turned into a `nosrc` attribute.","3":"Partial: Only supports Base 64 png format."}
 		},
@@ -4510,7 +4782,7 @@
 			"last_test_date":"2023-01-15",
 			"test_url":"https://www.caniemail.com/tests/images.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
-			"stats":{"apple-mail":{"macos":{"13":"n","14":"y"},"ios":{"13":"n","14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2020-02":"n","2023-01":"n"},"ios":{"2020-02":"a #1","2023-01":"a #1"},"android":{"2020-02":"a #1","2023-01":"a #1"},"mobile-webmail":{"2020-02":"n","2023-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-02":"y"},"macos":{"2016":"n","13.1":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"n","2023-01":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"n","2023-01":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"web-de":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-09":"y"},"android":{"2022-09":"y"}}},
+			"stats":{"apple-mail":{"macos":{"13":"n","14":"y"},"ios":{"13":"n","14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2020-02":"n","2023-01":"n","2024-07":"n"},"ios":{"2020-02":"a #1","2023-01":"a #1"},"android":{"2020-02":"a #1","2023-01":"a #1"},"mobile-webmail":{"2020-02":"n","2023-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"y"},"windows-mail":{"2020-02":"y"},"macos":{"2016":"n","13.1":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"n","2023-01":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"n","2023-01":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"web-de":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-09":"y"},"android":{"2022-09":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partially supported. Only works with non Google accounts."}
 		},

internal/linkcheck/linkcheck_test.go

@@ -0,0 +1,71 @@
+package linkcheck
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/axllent/mailpit/internal/storage"
+)
+
+var (
+	testHTML = `
+	<html>
+	<head>
+		<link rel=stylesheet href="http://remote-host/style.css"></link>
+		<script async src="https://www.googletagmanager.com/gtag/js?id=ignored"></script>
+	</head>
+	<body>
+		<div>
+			<p><a href="http://example.com">HTTP link</a></p>
+			<p><a href="https://example.com">HTTPS link</a></p>
+			<p><a href="HTTPS://EXAMPLE.COM">HTTPS link</a></p>
+			<p><a href="http://localhost">Localhost link</a> (ignored)</p>
+			<p><a href="https://localhost">Localhost link</a> (ignored)</p>
+			<p><a href='https://127.0.0.1'>Single quotes link</a> (ignored)</p>
+			<p><img src=https://example.com/image.jpg></p>
+			<p href="http://invalid-link.com">This should be ignored</p>
+			<p><a href="http://link with spaces">Link with spaces</a></p>
+			<p><a href="http://example.com/?blaah=yes&amp;test=true">URL-encoded characters</a></p>
+		</div>
+	</body>
+	</html>`
+
+	expectedHTMLLinks = []string{
+		"http://example.com", "https://example.com", "HTTPS://EXAMPLE.COM", "http://localhost", "https://localhost", "https://127.0.0.1", "http://link with spaces", "http://example.com/?blaah=yes&test=true",
+		"http://remote-host/style.css",  // css
+		"https://example.com/image.jpg", // images
+	}
+
+	testTextLinks = `This is a line with http://example.com https://example.com
+		HTTPS://EXAMPLE.COM
+		[http://localhost]
+		www.google.com < ignored
+		|||http://example.com/?some=query-string|||
+	`
+
+	expectedTextLinks = []string{
+		"http://example.com", "https://example.com", "HTTPS://EXAMPLE.COM", "http://localhost", "http://example.com/?some=query-string",
+	}
+)
+
+func TestLinkDetection(t *testing.T) {
+
+	t.Log("Testing HTML link detection")
+
+	m := storage.Message{}
+
+	m.Text = testTextLinks
+	m.HTML = testHTML
+
+	textLinks := extractTextLinks(&m)
+
+	if !reflect.DeepEqual(textLinks, expectedTextLinks) {
+		t.Fatalf("Failed to detect text links correctly")
+	}
+
+	htmlLinks := extractHTMLLinks(&m)
+
+	if !reflect.DeepEqual(htmlLinks, expectedHTMLLinks) {
+		t.Fatalf("Failed to detect HTML links correctly")
+	}
+}

internal/linkcheck/main.go

@@ -10,7 +10,7 @@ import (
 	"github.com/axllent/mailpit/internal/tools"
 )
 
-var linkRe = regexp.MustCompile(`(?m)\b(http|ftp|https):\/\/([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:'!\/~+#-]*[\w@?^=%&\/~+#-])`)
+var linkRe = regexp.MustCompile(`(?im)\b(http|https):\/\/([\-\w@:%_\+'!.~#?,&\/\/=;]+)`)
 
 // RunTests will run all tests on an HTML string
 func RunTests(msg *storage.Message, followRedirects bool) (Response, error) {

internal/pop3/functions.go

@@ -9,6 +9,7 @@ import (
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/server/websockets"
 )
 
 func authUser(username, password string) bool {
@@ -19,6 +20,11 @@ func authUser(username, password string) bool {
 func sendResponse(c net.Conn, m string) {
 	fmt.Fprintf(c, "%s\r\n", m)
 	logger.Log().Debugf("[pop3] response: %s", m)
+
+	if strings.HasPrefix(m, "-ERR ") {
+		sub, _ := strings.CutPrefix(m, "-ERR ")
+		websockets.BroadCastClientError("error", "pop3", c.RemoteAddr().String(), sub)
+	}
 }
 
 // Send a response without debug logging (for data)
@@ -26,9 +32,10 @@ func sendData(c net.Conn, m string) {
 	fmt.Fprintf(c, "%s\r\n", m)
 }
 
+// Get the latest 100 messages
 func getMessages() ([]message, error) {
 	messages := []message{}
-	list, err := storage.List(0, 100)
+	list, err := storage.List(0, 0, 100)
 	if err != nil {
 		return messages, err
 	}
@@ -72,5 +79,6 @@ func getSafeArg(args []string, nr int) (string, error) {
 	if nr < len(args) {
 		return args[nr], nil
 	}
-	return "", errors.New("Out of range")
+
+	return "", errors.New("-ERR out of range")
 }

internal/pop3/pop3_test.go

@@ -0,0 +1,365 @@
+package pop3
+
+import (
+	"bytes"
+	"fmt"
+	"math/rand/v2"
+	"net"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/auth"
+	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/pop3client"
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/jhillyerd/enmime"
+)
+
+var (
+	testingPort int
+)
+
+func TestPOP3(t *testing.T) {
+	t.Log("Testing POP3 server")
+	setup()
+	defer storage.Close()
+
+	// connect with bad password
+	t.Log("Testing invalid login")
+	c, err := connectBadAuth()
+	if err == nil {
+		t.Error("invalid login gained access")
+		return
+	}
+
+	t.Log("Testing valid login")
+	c, err = connectAuth()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	count, size, err := c.Stat()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	assertEqual(t, count, 0, "incorrect message count")
+	assertEqual(t, size, 0, "incorrect size")
+
+	// quit else we get old data
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	t.Log("Inserting 50 messages")
+
+	insertEmailData(t) // insert 50 messages
+
+	c, err = connectAuth()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	count, _, err = c.Stat()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	assertEqual(t, count, 50, "incorrect message count")
+
+	t.Log("Fetching 20 messages")
+
+	for i := 1; i <= 20; i++ {
+		_, err := c.Retr(i)
+		if err != nil {
+			t.Errorf(err.Error())
+			return
+		}
+	}
+
+	t.Log("Deleting 25 messages")
+
+	for i := 1; i <= 25; i++ {
+		if err := c.Dele(i); err != nil {
+			t.Errorf(err.Error())
+			return
+		}
+	}
+
+	// messages get deleted after a QUIT
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	c, err = connectAuth()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	t.Log("Fetching message count")
+
+	count, _, err = c.Stat()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	assertEqual(t, count, 25, "incorrect message count")
+
+	// messages get deleted after a QUIT
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	c, err = connectAuth()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	t.Log("Deleting 25 messages")
+
+	for i := 1; i <= 25; i++ {
+		if err := c.Dele(i); err != nil {
+			t.Errorf(err.Error())
+			return
+		}
+	}
+
+	t.Log("Undeleting messages")
+
+	if err := c.Rset(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	c, err = connectAuth()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	count, _, err = c.Stat()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	assertEqual(t, count, 25, "incorrect message count")
+
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+}
+
+func TestAuthentication(t *testing.T) {
+	// commands only allowed after authentication
+	authCommands := make(map[string]bool)
+	authCommands["STAT"] = false
+	authCommands["LIST"] = true
+	authCommands["NOOP"] = false
+	authCommands["RSET"] = false
+	authCommands["RETR 1"] = true
+
+	t.Log("Testing authenticated commands while not logged in")
+	setup()
+	defer storage.Close()
+
+	insertEmailData(t) // insert 50 messages
+
+	// non-authenticated connection
+	c, err := connect()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	for cmd, multi := range authCommands {
+		if _, err := c.Cmd(cmd, multi); err == nil {
+			t.Errorf("%s should require authentication", cmd)
+			return
+		}
+
+		if _, err := c.Cmd(strings.ToLower(cmd), multi); err == nil {
+			t.Errorf("%s should require authentication", cmd)
+			return
+		}
+	}
+
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	t.Log("Testing authenticated commands while logged in")
+
+	// authenticated connection
+	c, err = connectAuth()
+	if err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+
+	for cmd, multi := range authCommands {
+		if _, err := c.Cmd(cmd, multi); err != nil {
+			t.Errorf("%s should work when authenticated", cmd)
+			return
+		}
+
+		if _, err := c.Cmd(strings.ToLower(cmd), multi); err != nil {
+			t.Errorf("%s should work when authenticated", cmd)
+			return
+		}
+	}
+
+	if err := c.Quit(); err != nil {
+		t.Errorf(err.Error())
+		return
+	}
+}
+
+func setup() {
+	auth.SetPOP3Auth("username:password")
+	logger.NoLogging = true
+	config.MaxMessages = 0
+	config.Database = os.Getenv("MP_DATABASE")
+	var foundPort bool
+	for !foundPort {
+		testingPort = randRange(1111, 2000)
+		if portFree(testingPort) {
+			foundPort = true
+		}
+	}
+
+	config.POP3Listen = fmt.Sprintf("localhost:%d", testingPort)
+
+	if err := storage.InitDB(); err != nil {
+		panic(err)
+	}
+
+	if err := storage.DeleteAllMessages(); err != nil {
+		panic(err)
+	}
+
+	go Run()
+
+	time.Sleep(time.Second)
+}
+
+// connect and authenticate
+func connectAuth() (*pop3client.Conn, error) {
+	c, err := connect()
+	if err != nil {
+		return c, err
+	}
+
+	err = c.Auth("username", "password")
+
+	return c, err
+}
+
+// connect and authenticate
+func connectBadAuth() (*pop3client.Conn, error) {
+	c, err := connect()
+	if err != nil {
+		return c, err
+	}
+
+	err = c.Auth("username", "notPassword")
+
+	return c, err
+}
+
+// connect but do not authenticate
+func connect() (*pop3client.Conn, error) {
+	p := pop3client.New(pop3client.Opt{
+		Host:       "localhost",
+		Port:       testingPort,
+		TLSEnabled: false,
+	})
+
+	c, err := p.NewConn()
+	if err != nil {
+		return c, err
+	}
+
+	return c, err
+}
+
+func portFree(port int) bool {
+	ln, err := net.Listen("tcp", fmt.Sprintf("localhost:%d", port))
+	if err != nil {
+		return false
+	}
+
+	if err := ln.Close(); err != nil {
+		panic(err)
+	}
+
+	return true
+}
+
+func randRange(min, max int) int {
+	return rand.IntN(max-min) + min
+}
+
+func insertEmailData(t *testing.T) {
+	for i := 0; i < 50; i++ {
+		msg := enmime.Builder().
+			From(fmt.Sprintf("From %d", i), fmt.Sprintf("from-%d@example.com", i)).
+			Subject(fmt.Sprintf("Subject line %d end", i)).
+			Text([]byte(fmt.Sprintf("This is the email body %d <jdsauk;dwqmdqw;>.", i))).
+			To(fmt.Sprintf("To %d", i), fmt.Sprintf("to-%d@example.com", i))
+
+		env, err := msg.Build()
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		buf := new(bytes.Buffer)
+
+		if err := env.Encode(buf); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		bufBytes := buf.Bytes()
+
+		id, err := storage.Store(&bufBytes)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		if _, err := storage.SetMessageTags(id, []string{fmt.Sprintf("Test tag %03d", i)}); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+	}
+}
+
+func assertEqual(t *testing.T, a interface{}, b interface{}, message string) {
+	if a == b {
+		return
+	}
+	message = fmt.Sprintf("%s: \"%v\" != \"%v\"", message, a, b)
+	t.Fatal(message)
+}

internal/pop3/server.go

@@ -0,0 +1,319 @@
+// Package pop3 is a simple POP3 server for Mailpit.
+// By default it is disabled unless password credentials have been loaded.
+//
+// References: https://github.com/r0stig/golang-pop3 | https://github.com/inbucket/inbucket
+// See RFC: https://datatracker.ietf.org/doc/html/rfc1939
+package pop3
+
+import (
+	"bufio"
+	"crypto/tls"
+	"fmt"
+	"io"
+	"net"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/auth"
+	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/server/websockets"
+)
+
+const (
+	// AUTHORIZATION is the initial state
+	AUTHORIZATION = 1
+	// TRANSACTION is the state after login
+	TRANSACTION = 2
+	// UPDATE is the state before closing
+	UPDATE = 3
+)
+
+// Run will start the POP3 server if enabled
+func Run() {
+	if auth.POP3Credentials == nil || config.POP3Listen == "" {
+		// POP3 server is disabled without authentication
+		return
+	}
+
+	var listener net.Listener
+	var err error
+
+	if config.POP3TLSCert != "" {
+		cer, err2 := tls.LoadX509KeyPair(config.POP3TLSCert, config.POP3TLSKey)
+		if err2 != nil {
+			logger.Log().Errorf("[pop3] %s", err2.Error())
+			return
+		}
+
+		tlsConfig := &tls.Config{
+			Certificates: []tls.Certificate{cer},
+			MinVersion:   tls.VersionTLS12,
+		}
+
+		listener, err = tls.Listen("tcp", config.POP3Listen, tlsConfig)
+	} else {
+		// unencrypted
+		listener, err = net.Listen("tcp", config.POP3Listen)
+	}
+
+	if err != nil {
+		logger.Log().Errorf("[pop3] %s", err.Error())
+		return
+	}
+
+	logger.Log().Infof("[pop3] starting on %s", config.POP3Listen)
+
+	for {
+		conn, err := listener.Accept()
+		if err != nil {
+			logger.Log().Errorf("[pop3] accept error: %s", err.Error())
+			continue
+		}
+
+		// run as goroutine
+		go handleClient(conn)
+	}
+}
+
+type message struct {
+	ID   string
+	Size float64
+}
+
+func handleClient(conn net.Conn) {
+	var (
+		user     = ""
+		state    = AUTHORIZATION // Start with AUTHORIZATION state
+		toDelete []string        // Track messages marked for deletion
+		messages []message
+	)
+
+	defer func() {
+		if state == UPDATE {
+			if len(toDelete) > 0 {
+				if err := storage.DeleteMessages(toDelete); err != nil {
+					logger.Log().Errorf("[pop3] error deleting: %s", err.Error())
+				}
+				// Update web UI to remove deleted messages
+				websockets.Broadcast("prune", nil)
+			}
+		}
+
+		if err := conn.Close(); err != nil {
+			logger.Log().Errorf("[pop3] %s", err.Error())
+		}
+	}()
+
+	reader := bufio.NewReader(conn)
+
+	logger.Log().Debugf("[pop3] connection opened by %s", conn.RemoteAddr().String())
+
+	// First welcome the new connection
+	serverName := "Mailpit"
+	if config.Label != "" {
+		serverName = fmt.Sprintf("Mailpit (%s)", config.Label)
+	}
+	sendResponse(conn, fmt.Sprintf("+OK %s POP3 server", serverName))
+
+	// Set 10 minutes timeout according to RFC1939
+	timeoutDuration := 600 * time.Second
+
+	for {
+		// Set read deadline
+		if err := conn.SetReadDeadline(time.Now().Add(timeoutDuration)); err != nil {
+			logger.Log().Errorf("[pop3] %s", err.Error())
+			return
+		}
+
+		// Reads a line from the client
+		rawLine, err := reader.ReadString('\n')
+		if err != nil {
+			if err == io.EOF {
+				logger.Log().Debugf("[pop3] client disconnected: %s", conn.RemoteAddr().String())
+			} else {
+				logger.Log().Errorf("[pop3] read error: %s", err.Error())
+			}
+			return
+		}
+
+		// Parses the command
+		cmd, args := getCommand(rawLine)
+		cmd = strings.ToUpper(cmd) // Commands in the POP3 are case-insensitive
+
+		logger.Log().Debugf("[pop3] received: %s (%s)", strings.TrimSpace(rawLine), conn.RemoteAddr().String())
+
+		switch cmd {
+		case "CAPA":
+			// List our capabilities per RFC2449
+			sendResponse(conn, "+OK capability list follows")
+			sendResponse(conn, "TOP")
+			sendResponse(conn, "USER")
+			sendResponse(conn, "UIDL")
+			sendResponse(conn, "IMPLEMENTATION Mailpit")
+			sendResponse(conn, ".")
+		case "USER":
+			if state == AUTHORIZATION {
+				if len(args) != 1 {
+					sendResponse(conn, "-ERR must supply a user")
+					return
+				}
+				sendResponse(conn, "+OK")
+				user = args[0]
+			} else {
+				sendResponse(conn, "-ERR user already specified")
+			}
+		case "PASS":
+			if state == AUTHORIZATION {
+				if user == "" {
+					sendResponse(conn, "-ERR must supply a user")
+					return
+				}
+				if len(args) != 1 {
+					sendResponse(conn, "-ERR must supply a password")
+					return
+				}
+
+				pass := args[0]
+				if authUser(user, pass) {
+					sendResponse(conn, "+OK signed in")
+					var err error
+					messages, err = getMessages()
+					if err != nil {
+						logger.Log().Errorf("[pop3] %s", err.Error())
+					}
+					state = TRANSACTION
+				} else {
+					sendResponse(conn, "-ERR invalid password")
+					logger.Log().Warnf("[pop3] failed login: %s", user)
+				}
+			} else {
+				sendResponse(conn, "-ERR user not specified")
+			}
+		case "STAT", "LIST", "UIDL", "RETR", "TOP", "NOOP", "DELE", "RSET":
+			if state == TRANSACTION {
+				handleTransactionCommand(conn, cmd, args, messages, &toDelete)
+			} else {
+				sendResponse(conn, "-ERR user not authenticated")
+			}
+		case "QUIT":
+			sendResponse(conn, "+OK goodbye")
+			state = UPDATE
+			return
+		default:
+			sendResponse(conn, "-ERR unknown command")
+		}
+	}
+}
+
+func handleTransactionCommand(conn net.Conn, cmd string, args []string, messages []message, toDelete *[]string) {
+	switch cmd {
+	case "STAT":
+		totalSize := float64(0)
+		for _, m := range messages {
+			totalSize += m.Size
+		}
+		sendResponse(conn, fmt.Sprintf("+OK %d %d", len(messages), int64(totalSize)))
+	case "LIST":
+		totalSize := float64(0)
+		for _, m := range messages {
+			totalSize += m.Size
+		}
+		sendResponse(conn, fmt.Sprintf("+OK %d messages (%d octets)", len(messages), int64(totalSize)))
+
+		for row, m := range messages {
+			sendResponse(conn, fmt.Sprintf("%d %d", row+1, int64(m.Size))) // Convert Size to int64 when printing
+		}
+		sendResponse(conn, ".")
+	case "UIDL":
+		sendResponse(conn, "+OK unique-id listing follows")
+		for row, m := range messages {
+			sendResponse(conn, fmt.Sprintf("%d %s", row+1, m.ID))
+		}
+		sendResponse(conn, ".")
+	case "RETR":
+		if len(args) != 1 {
+			sendResponse(conn, "-ERR no such message")
+			return
+		}
+
+		nr, err := strconv.Atoi(args[0])
+		if err != nil || nr < 1 || nr > len(messages) {
+			sendResponse(conn, "-ERR no such message")
+			return
+		}
+
+		m := messages[nr-1]
+		raw, err := storage.GetMessageRaw(m.ID)
+		if err != nil {
+			sendResponse(conn, "-ERR no such message")
+			return
+		}
+		size := len(raw)
+		sendResponse(conn, fmt.Sprintf("+OK %d octets", size))
+
+		// When all lines of the response have been sent, a
+		// final line is sent, consisting of a termination octet (decimal code
+		// 046, ".") and a CRLF pair. If any line of the multi-line response
+		// begins with the termination octet, the line is "byte-stuffed" by
+		// pre-pending the termination octet to that line of the response.
+		// @see: https://www.ietf.org/rfc/rfc1939.txt
+		sendData(conn, strings.Replace(string(raw), "\n.", "\n..", -1))
+		sendResponse(conn, ".")
+	case "TOP":
+		arg, err := getSafeArg(args, 0)
+		if err != nil {
+			sendResponse(conn, "-ERR TOP requires two arguments")
+			return
+		}
+		nr, err := strconv.Atoi(arg)
+		if err != nil || nr < 1 || nr > len(messages) {
+			sendResponse(conn, "-ERR no such message")
+			return
+		}
+
+		arg2, err := getSafeArg(args, 1)
+		if err != nil {
+			sendResponse(conn, "-ERR TOP requires two arguments")
+			return
+		}
+
+		lines, err := strconv.Atoi(arg2)
+		if err != nil {
+			sendResponse(conn, "-ERR TOP requires two arguments")
+			return
+		}
+
+		m := messages[nr-1]
+		headers, body, err := getTop(m.ID, lines)
+		if err != nil {
+			sendResponse(conn, err.Error())
+			return
+		}
+
+		sendResponse(conn, "+OK top of message follows")
+		sendData(conn, headers+"\r\n")
+		sendData(conn, body)
+		sendResponse(conn, ".")
+	case "NOOP":
+		sendResponse(conn, "+OK")
+	case "DELE":
+		arg, _ := getSafeArg(args, 0)
+		nr, err := strconv.Atoi(arg)
+		if err != nil || nr < 1 || nr > len(messages) {
+			sendResponse(conn, "-ERR no such message")
+			return
+		}
+
+		m := messages[nr-1]
+		*toDelete = append(*toDelete, m.ID)
+		sendResponse(conn, "+OK message marked for deletion")
+	case "RSET":
+		*toDelete = []string{}
+		sendResponse(conn, "+OK")
+	default:
+		sendResponse(conn, "-ERR unknown command")
+	}
+}

internal/pop3client/client.go

@@ -0,0 +1,453 @@
+// Package pop3client is borrowed directly from https://github.com/knadh/go-pop3 to reduce dependencies.
+// This is used solely for testing the POP3 server
+package pop3client
+
+import (
+	"bufio"
+	"bytes"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net"
+	"net/mail"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// Client implements a Client e-mail client.
+type Client struct {
+	opt    Opt
+	dialer Dialer
+}
+
+// Conn is a stateful connection with the POP3 server/
+type Conn struct {
+	conn net.Conn
+	r    *bufio.Reader
+	w    *bufio.Writer
+}
+
+// Opt represents the client configuration.
+type Opt struct {
+	// Host name
+	Host string `json:"host"`
+	// Port number
+	Port int `json:"port"`
+	// DialTimeout default is 3 seconds.
+	DialTimeout time.Duration `json:"dial_timeout"`
+	// Dialer
+	Dialer Dialer `json:"-"`
+	// TLSEnabled sets whether SLS is enabled
+	TLSEnabled bool `json:"tls_enabled"`
+	// TLSSkipVerify skips TLS verification (ie: self-signed)
+	TLSSkipVerify bool `json:"tls_skip_verify"`
+}
+
+// Dialer interface
+type Dialer interface {
+	Dial(network, address string) (net.Conn, error)
+}
+
+// MessageID contains the ID and size of an individual message.
+type MessageID struct {
+	// ID is the numerical index (non-unique) of the message.
+	ID int
+	// Size in bytes
+	Size int
+	// UID is only present if the response is to the UIDL command.
+	UID string
+}
+
+var (
+	lineBreak   = []byte("\r\n")
+	respOK      = []byte("+OK")   // `+OK` without additional info
+	respOKInfo  = []byte("+OK ")  // `+OK <info>`
+	respErr     = []byte("-ERR")  // `-ERR` without additional info
+	respErrInfo = []byte("-ERR ") // `-ERR <info>`
+)
+
+// New returns a new client object using an existing connection.
+func New(opt Opt) *Client {
+	if opt.DialTimeout < time.Millisecond {
+		opt.DialTimeout = time.Second * 3
+	}
+
+	c := &Client{
+		opt:    opt,
+		dialer: opt.Dialer,
+	}
+
+	if c.dialer == nil {
+		c.dialer = &net.Dialer{Timeout: opt.DialTimeout}
+	}
+
+	return c
+}
+
+// NewConn creates and returns live POP3 server connection.
+func (c *Client) NewConn() (*Conn, error) {
+	var (
+		addr = fmt.Sprintf("%s:%d", c.opt.Host, c.opt.Port)
+	)
+
+	conn, err := c.dialer.Dial("tcp", addr)
+	if err != nil {
+		return nil, err
+	}
+
+	// No TLS.
+	if c.opt.TLSEnabled {
+		// Skip TLS host verification.
+		tlsCfg := tls.Config{} // #nosec
+		if c.opt.TLSSkipVerify {
+			tlsCfg.InsecureSkipVerify = c.opt.TLSSkipVerify // #nosec
+		} else {
+			tlsCfg.ServerName = c.opt.Host
+		}
+
+		conn = tls.Client(conn, &tlsCfg)
+	}
+
+	pCon := &Conn{
+		conn: conn,
+		r:    bufio.NewReader(conn),
+		w:    bufio.NewWriter(conn),
+	}
+
+	// Verify the connection by reading the welcome +OK greeting.
+	if _, err := pCon.ReadOne(); err != nil {
+		return nil, err
+	}
+
+	return pCon, nil
+}
+
+// Send sends a POP3 command to the server. The given comand is suffixed with "\r\n".
+func (c *Conn) Send(b string) error {
+	if _, err := c.w.WriteString(b + "\r\n"); err != nil {
+		return err
+	}
+
+	return c.w.Flush()
+}
+
+// Cmd sends a command to the server. POP3 responses are either single line or multi-line.
+// The first line always with -ERR in case of an error or +OK in case of a successful operation.
+// OK+ is always followed by a response on the same line which is either the actual response data
+// in case of single line responses, or a help message followed by multiple lines of actual response
+// data in case of multiline responses.
+// See https://www.shellhacks.com/retrieve-email-pop3-server-command-line/ for examples.
+func (c *Conn) Cmd(cmd string, isMulti bool, args ...interface{}) (*bytes.Buffer, error) {
+	var cmdLine string
+
+	// Repeat a %v to format each arg.
+	if len(args) > 0 {
+		format := " " + strings.TrimRight(strings.Repeat("%v ", len(args)), " ")
+
+		// CMD arg1 argn ...\r\n
+		cmdLine = fmt.Sprintf(cmd+format, args...)
+	} else {
+		cmdLine = cmd
+	}
+
+	if err := c.Send(cmdLine); err != nil {
+		return nil, err
+	}
+
+	// Read the first line of response to get the +OK/-ERR status.
+	b, err := c.ReadOne()
+	if err != nil {
+		return nil, err
+	}
+
+	// Single line response.
+	if !isMulti {
+		return bytes.NewBuffer(b), err
+	}
+
+	buf, err := c.ReadAll()
+	return buf, err
+}
+
+// ReadOne reads a single line response from the conn.
+func (c *Conn) ReadOne() ([]byte, error) {
+	b, _, err := c.r.ReadLine()
+	if err != nil {
+		return nil, err
+	}
+
+	r, err := parseResp(b)
+	return r, err
+}
+
+// ReadAll reads all lines from the connection until the POP3 multiline terminator "." is encountered
+// and returns a bytes.Buffer of all the read lines.
+func (c *Conn) ReadAll() (*bytes.Buffer, error) {
+	buf := &bytes.Buffer{}
+
+	for {
+		b, _, err := c.r.ReadLine()
+		if err != nil {
+			return nil, err
+		}
+
+		// "." indicates the end of a multi-line response.
+		if bytes.Equal(b, []byte(".")) {
+			break
+		}
+
+		if _, err := buf.Write(b); err != nil {
+			return nil, err
+		}
+		if _, err := buf.Write(lineBreak); err != nil {
+			return nil, err
+		}
+	}
+
+	return buf, nil
+}
+
+// Auth authenticates the given credentials with the server.
+func (c *Conn) Auth(user, password string) error {
+	if err := c.User(user); err != nil {
+		return err
+	}
+
+	if err := c.Pass(password); err != nil {
+		return err
+	}
+
+	// Issue a NOOP to force the server to respond to the auth.
+	// Courtesy: github.com/TheCreeper/go-pop3
+	return c.Noop()
+}
+
+// User sends the username to the server.
+func (c *Conn) User(s string) error {
+	_, err := c.Cmd("USER", false, s)
+
+	return err
+}
+
+// Pass sends the password to the server.
+func (c *Conn) Pass(s string) error {
+	_, err := c.Cmd("PASS", false, s)
+
+	return err
+}
+
+// Stat returns the number of messages and their total size in bytes in the inbox.
+func (c *Conn) Stat() (int, int, error) {
+	b, err := c.Cmd("STAT", false)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	// count size
+	f := bytes.Fields(b.Bytes())
+
+	// Total number of messages.
+	count, err := strconv.Atoi(string(f[0]))
+	if err != nil {
+		return 0, 0, err
+	}
+	if count == 0 {
+		return 0, 0, nil
+	}
+
+	// Total size of all messages in bytes.
+	size, err := strconv.Atoi(string(f[1]))
+	if err != nil {
+		return 0, 0, err
+	}
+
+	return count, size, nil
+}
+
+// List returns a list of (message ID, message Size) pairs.
+// If the optional msgID > 0, then only that particular message is listed.
+// The message IDs are sequential, 1 to N.
+func (c *Conn) List(msgID int) ([]MessageID, error) {
+	var (
+		buf *bytes.Buffer
+		err error
+	)
+
+	if msgID <= 0 {
+		// Multiline response listing all messages.
+		buf, err = c.Cmd("LIST", true)
+	} else {
+		// Single line response listing one message.
+		buf, err = c.Cmd("LIST", false, msgID)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	var (
+		out   []MessageID
+		lines = bytes.Split(buf.Bytes(), lineBreak)
+	)
+
+	for _, l := range lines {
+		// id size
+		f := bytes.Fields(l)
+		if len(f) == 0 {
+			break
+		}
+
+		id, err := strconv.Atoi(string(f[0]))
+		if err != nil {
+			return nil, err
+		}
+
+		size, err := strconv.Atoi(string(f[1]))
+		if err != nil {
+			return nil, err
+		}
+
+		out = append(out, MessageID{ID: id, Size: size})
+	}
+
+	return out, nil
+}
+
+// Uidl returns a list of (message ID, message UID) pairs. If the optional msgID
+// is > 0, then only that particular message is listed. It works like Top() but only works on
+// servers that support the UIDL command. Messages size field is not available in the UIDL response.
+func (c *Conn) Uidl(msgID int) ([]MessageID, error) {
+	var (
+		buf *bytes.Buffer
+		err error
+	)
+
+	if msgID <= 0 {
+		// Multiline response listing all messages.
+		buf, err = c.Cmd("UIDL", true)
+	} else {
+		// Single line response listing one message.
+		buf, err = c.Cmd("UIDL", false, msgID)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	var (
+		out   []MessageID
+		lines = bytes.Split(buf.Bytes(), lineBreak)
+	)
+
+	for _, l := range lines {
+		// id size
+		f := bytes.Fields(l)
+		if len(f) == 0 {
+			break
+		}
+
+		id, err := strconv.Atoi(string(f[0]))
+		if err != nil {
+			return nil, err
+		}
+
+		out = append(out, MessageID{ID: id, UID: string(f[1])})
+	}
+
+	return out, nil
+}
+
+// Retr downloads a message by the given msgID, parses it and returns it as a *mail.Message.
+func (c *Conn) Retr(msgID int) (*mail.Message, error) {
+	b, err := c.Cmd("RETR", true, msgID)
+	if err != nil {
+		return nil, err
+	}
+
+	m, err := mail.ReadMessage(b)
+	if err != nil {
+		return nil, err
+	}
+
+	return m, nil
+}
+
+// RetrRaw downloads a message by the given msgID and returns the raw []byte
+// of the entire message.
+func (c *Conn) RetrRaw(msgID int) (*bytes.Buffer, error) {
+	b, err := c.Cmd("RETR", true, msgID)
+	return b, err
+}
+
+// Top retrieves a message by its ID with full headers and numLines lines of the body.
+func (c *Conn) Top(msgID int, numLines int) (*mail.Message, error) {
+	b, err := c.Cmd("TOP", true, msgID, numLines)
+	if err != nil {
+		return nil, err
+	}
+
+	m, err := mail.ReadMessage(b)
+	if err != nil {
+		return nil, err
+	}
+
+	return m, nil
+}
+
+// Dele deletes one or more messages. The server only executes the
+// deletions after a successful Quit().
+func (c *Conn) Dele(msgID ...int) error {
+	for _, id := range msgID {
+		_, err := c.Cmd("DELE", false, id)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Rset clears the messages marked for deletion in the current session.
+func (c *Conn) Rset() error {
+	_, err := c.Cmd("RSET", false)
+	return err
+}
+
+// Noop issues a do-nothing NOOP command to the server. This is useful for
+// prolonging open connections.
+func (c *Conn) Noop() error {
+	_, err := c.Cmd("NOOP", false)
+	return err
+}
+
+// Quit sends the QUIT command to server and gracefully closes the connection.
+// Message deletions (DELE command) are only executed by the server on a graceful
+// quit and close.
+func (c *Conn) Quit() error {
+	defer c.conn.Close()
+
+	if _, err := c.Cmd("QUIT", false); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// parseResp checks if the response is an error that starts with `-ERR`
+// and returns an error with the message that succeeds the error indicator.
+// For success `+OK` messages, it returns the remaining response bytes.
+func parseResp(b []byte) ([]byte, error) {
+	if len(b) == 0 {
+		return nil, nil
+	}
+
+	if bytes.Equal(b, respOK) {
+		return nil, nil
+	} else if bytes.HasPrefix(b, respOKInfo) {
+		return bytes.TrimPrefix(b, respOKInfo), nil
+	} else if bytes.Equal(b, respErr) {
+		return nil, errors.New("unknown error (no info specified in response)")
+	} else if bytes.HasPrefix(b, respErrInfo) {
+		return nil, errors.New(string(bytes.TrimPrefix(b, respErrInfo)))
+	}
+
+	return nil, fmt.Errorf("unknown response: %s. Neither -ERR, nor +OK", string(b))
+}

internal/smtpd/chaos/chaos.go

@@ -0,0 +1,121 @@
+// Package chaos is used to simulate Chaos engineering (random failures) in the SMTPD server.
+// See https://en.wikipedia.org/wiki/Chaos_engineering
+// See https://mailpit.axllent.org/docs/integration/chaos/
+package chaos
+
+import (
+	"crypto/rand"
+	"fmt"
+	"math/big"
+	"strings"
+
+	"github.com/axllent/mailpit/internal/logger"
+)
+
+var (
+	// Enabled is a flag to enable or disable support for chaos
+	Enabled = false
+
+	// Config is the global Chaos configuration
+	Config = Triggers{
+		Sender:         Trigger{ErrorCode: 451, Probability: 0},
+		Recipient:      Trigger{ErrorCode: 451, Probability: 0},
+		Authentication: Trigger{ErrorCode: 535, Probability: 0},
+	}
+)
+
+// Triggers for the Chaos configuration
+//
+// swagger:model Triggers
+type Triggers struct {
+	// Sender trigger to fail on From, Sender
+	Sender Trigger
+	// Recipient trigger to fail on To, Cc, Bcc
+	Recipient Trigger
+	// Authentication trigger to fail while authenticating (auth must be configured)
+	Authentication Trigger
+}
+
+// Trigger for Chaos
+type Trigger struct {
+	// SMTP error code to return. The value must range from 400 to 599.
+	// required: true
+	// example: 451
+	ErrorCode int
+
+	// Probability (chance) of triggering the error. The value must range from 0 to 100.
+	// required: true
+	// example: 5
+	Probability int
+}
+
+// SetFromStruct will set a whole map of chaos configurations (ie: API)
+func SetFromStruct(c Triggers) error {
+	if c.Sender.ErrorCode == 0 {
+		c.Sender.ErrorCode = 451 // default
+	}
+
+	if c.Recipient.ErrorCode == 0 {
+		c.Recipient.ErrorCode = 451 // default
+	}
+
+	if c.Authentication.ErrorCode == 0 {
+		c.Authentication.ErrorCode = 535 // default
+	}
+
+	if err := Set("Sender", c.Sender.ErrorCode, c.Sender.Probability); err != nil {
+		return err
+	}
+	if err := Set("Recipient", c.Recipient.ErrorCode, c.Recipient.Probability); err != nil {
+		return err
+	}
+	if err := Set("Authentication", c.Authentication.ErrorCode, c.Authentication.Probability); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// Set will set the chaos configuration for the given key (CLI & setMap())
+func Set(key string, errorCode int, probability int) error {
+	Enabled = true
+	if errorCode < 400 || errorCode > 599 {
+		return fmt.Errorf("error code must be between 400 and 599")
+	}
+
+	if probability > 100 || probability < 0 {
+		return fmt.Errorf("probability must be between 0 and 100")
+	}
+
+	key = strings.ToLower(key)
+
+	switch key {
+	case "sender":
+		Config.Sender = Trigger{ErrorCode: errorCode, Probability: probability}
+		logger.Log().Infof("[chaos] Sender to return %d error with %d%% probability", errorCode, probability)
+	case "recipient", "recipients":
+		Config.Recipient = Trigger{ErrorCode: errorCode, Probability: probability}
+		logger.Log().Infof("[chaos] Recipient to return %d error with %d%% probability", errorCode, probability)
+	case "auth", "authentication":
+		Config.Authentication = Trigger{ErrorCode: errorCode, Probability: probability}
+		logger.Log().Infof("[chaos] Authentication to return %d error with %d%% probability", errorCode, probability)
+	default:
+		return fmt.Errorf("unknown key %s", key)
+	}
+
+	return nil
+}
+
+// Trigger will return whether the Chaos rule is triggered based on the configuration
+// and a randomly-generated percentage value.
+func (c Trigger) Trigger() (bool, int) {
+	if !Enabled || c.Probability == 0 {
+		return false, 0
+	}
+
+	nBig, _ := rand.Int(rand.Reader, big.NewInt(100))
+
+	// rand.IntN(100) will return 0-99, whereas probability is 1-100,
+	// so value must be less than (not <=) to the probability to trigger
+	return int(nBig.Int64()) < c.Probability, c.ErrorCode
+}

internal/smtpd/forward.go

@@ -0,0 +1,111 @@
+package smtpd
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net/smtp"
+	"strings"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/tools"
+)
+
+// Wrapper to forward messages if configured
+func autoForwardMessage(from string, data *[]byte) {
+	if config.SMTPForwardConfig.Host == "" {
+		return
+	}
+
+	if err := forward(from, *data); err != nil {
+		logger.Log().Errorf("[forward] error: %s", err.Error())
+	} else {
+		logger.Log().Debugf("[forward] message from %s to %s via %s:%d",
+			from, config.SMTPForwardConfig.To, config.SMTPForwardConfig.Host, config.SMTPForwardConfig.Port)
+	}
+}
+
+// Forward will connect to a pre-configured SMTP server and send a message to one or more recipients.
+func forward(from string, msg []byte) error {
+	addr := fmt.Sprintf("%s:%d", config.SMTPForwardConfig.Host, config.SMTPForwardConfig.Port)
+
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		return fmt.Errorf("error connecting to %s: %s", addr, err.Error())
+	}
+
+	defer c.Close()
+
+	if config.SMTPForwardConfig.STARTTLS {
+		conf := &tls.Config{ServerName: config.SMTPForwardConfig.Host} // #nosec
+
+		conf.InsecureSkipVerify = config.SMTPForwardConfig.AllowInsecure
+
+		if err = c.StartTLS(conf); err != nil {
+			return fmt.Errorf("error creating StartTLS config: %s", err.Error())
+		}
+	}
+
+	auth := forwardAuthFromConfig()
+
+	if auth != nil {
+		if err = c.Auth(auth); err != nil {
+			return fmt.Errorf("error response to AUTH command: %s", err.Error())
+		}
+	}
+
+	if config.SMTPForwardConfig.OverrideFrom != "" {
+		msg, err = tools.OverrideFromHeader(msg, config.SMTPForwardConfig.OverrideFrom)
+		if err != nil {
+			return fmt.Errorf("error overriding From header: %s", err.Error())
+		}
+
+		from = config.SMTPForwardConfig.OverrideFrom
+	}
+
+	if err = c.Mail(from); err != nil {
+		return fmt.Errorf("error response to MAIL command: %s", err.Error())
+	}
+
+	to := strings.Split(config.SMTPForwardConfig.To, ",")
+
+	for _, addr := range to {
+		if err = c.Rcpt(addr); err != nil {
+			logger.Log().Warnf("error response to RCPT command for %s: %s", addr, err.Error())
+		}
+	}
+
+	w, err := c.Data()
+	if err != nil {
+		return fmt.Errorf("error response to DATA command: %s", err.Error())
+	}
+
+	if _, err := w.Write(msg); err != nil {
+		return fmt.Errorf("error sending message: %s", err.Error())
+	}
+
+	if err := w.Close(); err != nil {
+		return fmt.Errorf("error closing connection: %s", err.Error())
+	}
+
+	return c.Quit()
+}
+
+// Return the SMTP forwarding authentication based on config
+func forwardAuthFromConfig() smtp.Auth {
+	var a smtp.Auth
+
+	if config.SMTPForwardConfig.Auth == "plain" {
+		a = smtp.PlainAuth("", config.SMTPForwardConfig.Username, config.SMTPForwardConfig.Password, config.SMTPForwardConfig.Host)
+	}
+
+	if config.SMTPForwardConfig.Auth == "login" {
+		a = LoginAuth(config.SMTPForwardConfig.Username, config.SMTPForwardConfig.Password)
+	}
+
+	if config.SMTPForwardConfig.Auth == "cram-md5" {
+		a = smtp.CRAMMD5Auth(config.SMTPForwardConfig.Username, config.SMTPForwardConfig.Secret)
+	}
+
+	return a
+}

internal/smtpd/main.go

@@ -14,22 +14,26 @@ import (
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/stats"
 	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/tools"
+	"github.com/axllent/mailpit/server/websockets"
 	"github.com/lithammer/shortuuid/v4"
-	"github.com/mhale/smtpd"
 )
 
 var (
 	// DisableReverseDNS allows rDNS to be disabled
 	DisableReverseDNS bool
+
+	warningResponse = regexp.MustCompile(`^4\d\d `)
+	errorResponse   = regexp.MustCompile(`^5\d\d `)
 )
 
 // MailHandler handles the incoming message to store in the database
 func mailHandler(origin net.Addr, from string, to []string, data []byte) (string, error) {
-	return Store(origin, from, to, data)
+	return SaveToDatabase(origin, from, to, data)
 }
 
-// Store will attempt to save a message to the database
-func Store(origin net.Addr, from string, to []string, data []byte) (string, error) {
+// SaveToDatabase will attempt to save a message to the database
+func SaveToDatabase(origin net.Addr, from string, to []string, data []byte) (string, error) {
 	if !config.SMTPStrictRFCHeaders {
 		// replace all <CR><CR><LF> (\r\r\n) with <CR><LF> (\r\n)
 		// @see https://github.com/axllent/mailpit/issues/87 & https://github.com/axllent/mailpit/issues/153
@@ -38,7 +42,7 @@ func Store(origin net.Addr, from string, to []string, data []byte) (string, erro
 
 	msg, err := mail.ReadMessage(bytes.NewReader(data))
 	if err != nil {
-		logger.Log().Errorf("[smtpd] error parsing message: %s", err.Error())
+		logger.Log().Warnf("[smtpd] error parsing message: %s", err.Error())
 		stats.LogSMTPRejected()
 		return "", err
 	}
@@ -83,6 +87,9 @@ func Store(origin net.Addr, from string, to []string, data []byte) (string, erro
 	// if enabled, this may conditionally relay the email through to the preconfigured smtp server
 	autoRelayMessage(from, to, &data)
 
+	// if enabled, this will forward a copy to preconfigured addresses
+	autoForwardMessage(from, &data)
+
 	// build array of all addresses in the header to compare to the []to array
 	emails, hasBccHeader := scanAddressesInHeader(msg.Header)
 
@@ -189,38 +196,51 @@ func Listen() error {
 		}
 	}
 
-	smtpType := "no encryption"
-
-	if config.SMTPTLSCert != "" {
-		if config.SMTPRequireSTARTTLS {
-			smtpType = "STARTTLS required"
-		} else if config.SMTPRequireTLS {
-			smtpType = "SSL/TLS required"
-		} else {
-			smtpType = "STARTTLS optional"
-			if !config.SMTPAuthAllowInsecure && auth.SMTPCredentials != nil {
-				smtpType = "STARTTLS required"
-			}
-		}
-
-	}
-
-	logger.Log().Infof("[smtpd] starting on %s (%s)", config.SMTPListen, smtpType)
-
 	return listenAndServe(config.SMTPListen, mailHandler, authHandler)
 }
 
-func listenAndServe(addr string, handler smtpd.MsgIDHandler, authHandler smtpd.AuthHandler) error {
-	srv := &smtpd.Server{
+// Translate the smtpd verb from READ/WRITE
+func verbLogTranslator(verb string) string {
+	if verb == "READ" {
+		return "received"
+	}
+
+	return "response"
+}
+
+func listenAndServe(addr string, handler MsgIDHandler, authHandler AuthHandler) error {
+
+	socketAddr, perm, isSocket := tools.UnixSocket(addr)
+
+	Debug = true // to enable Mailpit logging
+	srv := &Server{
 		Addr:              addr,
 		MsgIDHandler:      handler,
 		HandlerRcpt:       handlerRcpt,
-		Appname:           "Mailpit",
+		AppName:           "Mailpit",
 		Hostname:          "",
 		AuthHandler:       nil,
 		AuthRequired:      false,
 		MaxRecipients:     config.SMTPMaxRecipients,
 		DisableReverseDNS: DisableReverseDNS,
+		LogRead: func(remoteIP, verb, line string) {
+			logger.Log().Debugf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+		},
+		LogWrite: func(remoteIP, verb, line string) {
+			if warningResponse.MatchString(line) {
+				logger.Log().Warnf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+				websockets.BroadCastClientError("warning", "smtpd", remoteIP, line)
+			} else if errorResponse.MatchString(line) {
+				logger.Log().Errorf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+				websockets.BroadCastClientError("error", "smtpd", remoteIP, line)
+			} else {
+				logger.Log().Debugf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+			}
+		},
+	}
+
+	if config.Label != "" {
+		srv.AppName = fmt.Sprintf("Mailpit (%s)", config.Label)
 	}
 
 	if config.SMTPAuthAllowInsecure {
@@ -244,6 +264,39 @@ func listenAndServe(addr string, handler smtpd.MsgIDHandler, authHandler smtpd.A
 		}
 	}
 
+	if isSocket {
+		srv.Addr = socketAddr
+		srv.Protocol = "unix"
+		srv.SocketPerm = perm
+
+		if err := tools.PrepareSocket(srv.Addr); err != nil {
+			storage.Close()
+			return err
+		}
+
+		// delete the Unix socket file on exit
+		storage.AddTempFile(srv.Addr)
+
+		logger.Log().Infof("[smtpd] starting on %s", config.SMTPListen)
+	} else {
+		smtpType := "no encryption"
+
+		if config.SMTPTLSCert != "" {
+			if config.SMTPRequireSTARTTLS {
+				smtpType = "STARTTLS required"
+			} else if config.SMTPRequireTLS {
+				smtpType = "SSL/TLS required"
+			} else {
+				smtpType = "STARTTLS optional"
+				if !config.SMTPAuthAllowInsecure && auth.SMTPCredentials != nil {
+					smtpType = "STARTTLS required"
+				}
+			}
+		}
+
+		logger.Log().Infof("[smtpd] starting on %s (%s)", config.SMTPListen, smtpType)
+	}
+
 	return srv.ListenAndServe()
 }
 

internal/smtpd/relay.go

@@ -5,13 +5,62 @@ import (
 	"errors"
 	"fmt"
 	"net/smtp"
+	"strings"
 
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/tools"
 )
 
-// Send will connect to a pre-configured SMTP server and send a message to one or more recipients.
-func Send(from string, to []string, msg []byte) error {
+// Wrapper to auto relay messages if configured
+func autoRelayMessage(from string, to []string, data *[]byte) {
+	if config.SMTPRelayConfig.BlockedRecipientsRegexp != nil {
+		filteredTo := []string{}
+		for _, address := range to {
+			if config.SMTPRelayConfig.BlockedRecipientsRegexp.MatchString(address) {
+				logger.Log().Debugf("[relay] ignoring auto-relay to %s: found in blocklist", address)
+				continue
+			}
+
+			filteredTo = append(filteredTo, address)
+		}
+		to = filteredTo
+	}
+
+	if len(to) == 0 {
+		return
+	}
+
+	if config.SMTPRelayAll {
+		if err := Relay(from, to, *data); err != nil {
+			logger.Log().Errorf("[relay] error: %s", err.Error())
+		} else {
+			logger.Log().Debugf("[relay] sent message to %s from %s via %s:%d",
+				strings.Join(to, ", "), from, config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
+		}
+	} else if config.SMTPRelayMatchingRegexp != nil {
+		filtered := []string{}
+		for _, t := range to {
+			if config.SMTPRelayMatchingRegexp.MatchString(t) {
+				filtered = append(filtered, t)
+			}
+		}
+
+		if len(filtered) == 0 {
+			return
+		}
+
+		if err := Relay(from, filtered, *data); err != nil {
+			logger.Log().Errorf("[relay] error: %s", err.Error())
+		} else {
+			logger.Log().Debugf("[relay] auto-relay message to %s from %s via %s:%d",
+				strings.Join(filtered, ", "), from, config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
+		}
+	}
+}
+
+// Relay will connect to a pre-configured SMTP server and send a message to one or more recipients.
+func Relay(from string, to []string, msg []byte) error {
 	addr := fmt.Sprintf("%s:%d", config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
 
 	c, err := smtp.Dial(addr)
@@ -39,6 +88,15 @@ func Send(from string, to []string, msg []byte) error {
 		}
 	}
 
+	if config.SMTPRelayConfig.OverrideFrom != "" {
+		msg, err = tools.OverrideFromHeader(msg, config.SMTPRelayConfig.OverrideFrom)
+		if err != nil {
+			return fmt.Errorf("error overriding From header: %s", err.Error())
+		}
+
+		from = config.SMTPRelayConfig.OverrideFrom
+	}
+
 	if err = c.Mail(from); err != nil {
 		return fmt.Errorf("error response to MAIL command: %s", err.Error())
 	}

internal/smtpd/smtpd.go

@@ -0,0 +1,979 @@
+// Package smtpd implements a basic SMTP server.
+//
+// This is a modified version of https://github.com/mhale/smtpd to
+// add support for unix sockets and Mailpit Chaos.
+package smtpd
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"crypto/tls"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"io/fs"
+	"log"
+	"net"
+	"os"
+	"regexp"
+	"strconv"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/axllent/mailpit/internal/smtpd/chaos"
+)
+
+var (
+	// Debug `true` enables verbose logging.
+	Debug      = false
+	rcptToRE   = regexp.MustCompile(`(?i)TO: ?<([^<>\v]+)>( |$)(.*)?`)
+	mailFromRE = regexp.MustCompile(`(?i)FROM: ?<(|[^<>\v]+)>( |$)(.*)?`) // Delivery Status Notifications are sent with "MAIL FROM:<>"
+
+	// extract mail size from 'MAIL FROM' parameter
+	mailFromSizeRE = regexp.MustCompile(`(?U)(^| |,)[Ss][Ii][Zz][Ee]=(.*)($|,| )`)
+)
+
+// Handler function called upon successful receipt of an email.
+// Results in a "250 2.0.0 Ok: queued" response.
+type Handler func(remoteAddr net.Addr, from string, to []string, data []byte) error
+
+// MsgIDHandler function called upon successful receipt of an email. Returns a message ID.
+// Results in a "250 2.0.0 Ok: queued as <message-id>" response.
+type MsgIDHandler func(remoteAddr net.Addr, from string, to []string, data []byte) (string, error)
+
+// HandlerRcpt function called on RCPT. Return accept status.
+type HandlerRcpt func(remoteAddr net.Addr, from string, to string) bool
+
+// AuthHandler function called when a login attempt is performed. Returns true if credentials are correct.
+type AuthHandler func(remoteAddr net.Addr, mechanism string, username []byte, password []byte, shared []byte) (bool, error)
+
+// ErrServerClosed is the default message when a server closes a connection
+var ErrServerClosed = errors.New("Server has been closed")
+
+// ListenAndServe listens on the TCP network address addr
+// and then calls Serve with handler to handle requests
+// on incoming connections.
+func ListenAndServe(addr string, handler Handler, appName string, hostname string) error {
+	srv := &Server{Addr: addr, Handler: handler, AppName: appName, Hostname: hostname}
+	return srv.ListenAndServe()
+}
+
+// ListenAndServeTLS listens on the TCP network address addr
+// and then calls Serve with handler to handle requests
+// on incoming connections. Connections may be upgraded to TLS if the client requests it.
+func ListenAndServeTLS(addr string, certFile string, keyFile string, handler Handler, appName string, hostname string) error {
+	srv := &Server{Addr: addr, Handler: handler, AppName: appName, Hostname: hostname}
+	err := srv.ConfigureTLS(certFile, keyFile)
+	if err != nil {
+		return err
+	}
+	return srv.ListenAndServe()
+}
+
+type maxSizeExceededError struct {
+	limit int
+}
+
+func maxSizeExceeded(limit int) maxSizeExceededError {
+	return maxSizeExceededError{limit}
+}
+
+// Error uses the RFC 5321 response message in preference to RFC 1870.
+// RFC 3463 defines enhanced status code x.3.4 as "Message too big for system".
+func (err maxSizeExceededError) Error() string {
+	return fmt.Sprintf("552 5.3.4 Requested mail action aborted: exceeded storage allocation (%d)", err.limit)
+}
+
+// LogFunc is a function capable of logging the client-server communication.
+type LogFunc func(remoteIP, verb, line string)
+
+// Server is an SMTP server.
+type Server struct {
+	Addr              string // TCP address to listen on, defaults to ":25" (all addresses, port 25) if empty
+	AppName           string
+	AuthHandler       AuthHandler
+	AuthMechs         map[string]bool // Override list of allowed authentication mechanisms. Currently supported: LOGIN, PLAIN, CRAM-MD5. Enabling LOGIN and PLAIN will reduce RFC 4954 compliance.
+	AuthRequired      bool            // Require authentication for every command except AUTH, EHLO, HELO, NOOP, RSET or QUIT as per RFC 4954. Ignored if AuthHandler is not configured.
+	DisableReverseDNS bool            // Disable reverse DNS lookups, enforces "unknown" hostname
+	Handler           Handler
+	HandlerRcpt       HandlerRcpt
+	Hostname          string
+	LogRead           LogFunc
+	LogWrite          LogFunc
+	MaxSize           int // Maximum message size allowed, in bytes
+	MaxRecipients     int // Maximum number of recipients, defaults to 100.
+	MsgIDHandler      MsgIDHandler
+	Timeout           time.Duration
+	TLSConfig         *tls.Config
+	TLSListener       bool        // Listen for incoming TLS connections only (not recommended as it may reduce compatibility). Ignored if TLS is not configured.
+	TLSRequired       bool        // Require TLS for every command except NOOP, EHLO, STARTTLS, or QUIT as per RFC 3207. Ignored if TLS is not configured.
+	Protocol          string      // Default tcp, supports unix
+	SocketPerm        fs.FileMode // if using Unix socket, socket permissions
+
+	inShutdown   int32 // server was closed or shutdown
+	openSessions int32 // count of open sessions
+	mu           sync.Mutex
+	shutdownChan chan struct{} // let the sessions know we are shutting down
+
+	XClientAllowed []string // List of XCLIENT allowed IP addresses
+}
+
+// ConfigureTLS creates a TLS configuration from certificate and key files.
+func (srv *Server) ConfigureTLS(certFile string, keyFile string) error {
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return err
+	}
+	srv.TLSConfig = &tls.Config{Certificates: []tls.Certificate{cert}} // #nosec
+	return nil
+}
+
+// // ConfigureTLSWithPassphrase creates a TLS configuration from a certificate,
+// // an encrypted key file and the associated passphrase:
+// func (srv *Server) ConfigureTLSWithPassphrase(
+// 	certFile string,
+// 	keyFile string,
+// 	passphrase string,
+// ) error {
+// 	certPEMBlock, err := os.ReadFile(certFile)
+// 	if err != nil {
+// 		return err
+// 	}
+// 	keyPEMBlock, err := os.ReadFile(keyFile)
+// 	if err != nil {
+// 		return err
+// 	}
+// 	keyDERBlock, _ := pem.Decode(keyPEMBlock)
+// 	keyPEMDecrypted, err := x509.DecryptPEMBlock(keyDERBlock, []byte(passphrase))
+// 	if err != nil {
+// 		return err
+// 	}
+// 	var pemBlock pem.Block
+// 	pemBlock.Type = keyDERBlock.Type
+// 	pemBlock.Bytes = keyPEMDecrypted
+// 	keyPEMBlock = pem.EncodeToMemory(&pemBlock)
+// 	cert, err := tls.X509KeyPair(certPEMBlock, keyPEMBlock)
+// 	if err != nil {
+// 		return err
+// 	}
+// 	srv.TLSConfig = &tls.Config{Certificates: []tls.Certificate{cert}}
+// 	return nil
+// }
+
+// ListenAndServe listens on the either a TCP network address srv.Addr or
+// alternatively a Unix socket. and then calls Serve to handle requests on
+// incoming connections. If srv.Addr is blank, ":25" is used.
+func (srv *Server) ListenAndServe() error {
+	if atomic.LoadInt32(&srv.inShutdown) != 0 {
+		return ErrServerClosed
+	}
+
+	if srv.Addr == "" {
+		srv.Addr = ":25"
+	}
+	if srv.AppName == "" {
+		srv.AppName = "smtpd"
+	}
+	if srv.Hostname == "" {
+		srv.Hostname, _ = os.Hostname()
+	}
+	if srv.Timeout == 0 {
+		srv.Timeout = 5 * time.Minute
+	}
+	if srv.Protocol == "" {
+		srv.Protocol = "tcp"
+	}
+
+	var ln net.Listener
+	var err error
+
+	// If TLSListener is enabled, listen for TLS connections only.
+	if srv.TLSConfig != nil && srv.TLSListener {
+		ln, err = tls.Listen(srv.Protocol, srv.Addr, srv.TLSConfig)
+	} else {
+		ln, err = net.Listen(srv.Protocol, srv.Addr)
+	}
+
+	if err != nil {
+		return err
+	}
+
+	if srv.Protocol == "unix" {
+		// set permissions
+		if err := os.Chmod(srv.Addr, srv.SocketPerm); err != nil {
+			return err
+		}
+	}
+
+	return srv.Serve(ln)
+}
+
+// Serve creates a new SMTP session after a network connection is established.
+func (srv *Server) Serve(ln net.Listener) error {
+	if atomic.LoadInt32(&srv.inShutdown) != 0 {
+		return ErrServerClosed
+	}
+
+	defer ln.Close()
+
+	for {
+		// if we are shutting down, don't accept new connections
+		select {
+		case <-srv.getShutdownChan():
+			return ErrServerClosed
+		default:
+		}
+
+		conn, err := ln.Accept()
+		if err != nil {
+			if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
+				continue
+			}
+			return err
+		}
+
+		session := srv.newSession(conn)
+		atomic.AddInt32(&srv.openSessions, 1)
+		go session.serve()
+	}
+}
+
+type session struct {
+	srv           *Server
+	conn          net.Conn
+	br            *bufio.Reader
+	bw            *bufio.Writer
+	remoteIP      string // Remote IP address
+	remoteHost    string // Remote hostname according to reverse DNS lookup
+	remoteName    string // Remote hostname as supplied with EHLO
+	xClient       string // Information string as supplied with XCLIENT
+	xClientADDR   string // Information string as supplied with XCLIENT ADDR
+	xClientNAME   string // Information string as supplied with XCLIENT NAME
+	xClientTrust  bool   // Trust XCLIENT from current IP address
+	tls           bool
+	authenticated bool
+}
+
+// Create new session from connection.
+func (srv *Server) newSession(conn net.Conn) (s *session) {
+	s = &session{
+		srv:  srv,
+		conn: conn,
+		br:   bufio.NewReader(conn),
+		bw:   bufio.NewWriter(conn),
+	}
+
+	// Get remote end info for the Received header.
+	s.remoteIP, _, _ = net.SplitHostPort(s.conn.RemoteAddr().String())
+	if s.remoteIP == "" {
+		s.remoteIP = "127.0.0.1"
+	}
+	if !s.srv.DisableReverseDNS {
+		names, err := net.LookupAddr(s.remoteIP)
+		if err == nil && len(names) > 0 {
+			s.remoteHost = names[0]
+		} else {
+			s.remoteHost = "unknown"
+		}
+	} else {
+		s.remoteHost = "unknown"
+	}
+
+	// Set tls = true if TLS is already in use.
+	_, s.tls = s.conn.(*tls.Conn)
+
+	for _, checkIP := range srv.XClientAllowed {
+		if s.remoteIP == checkIP {
+			s.xClientTrust = true
+		}
+	}
+	return
+}
+
+func (srv *Server) getShutdownChan() <-chan struct{} {
+	srv.mu.Lock()
+	defer srv.mu.Unlock()
+	if srv.shutdownChan == nil {
+		srv.shutdownChan = make(chan struct{})
+	}
+
+	return srv.shutdownChan
+}
+
+func (srv *Server) closeShutdownChan() {
+	srv.mu.Lock()
+	defer srv.mu.Unlock()
+	if srv.shutdownChan == nil {
+		srv.shutdownChan = make(chan struct{})
+	}
+
+	select {
+	case <-srv.shutdownChan:
+	default:
+		close(srv.shutdownChan)
+	}
+}
+
+// Close - closes the connection without waiting
+func (srv *Server) Close() error {
+	atomic.StoreInt32(&srv.inShutdown, 1)
+	srv.closeShutdownChan()
+	return nil
+}
+
+// Shutdown - waits for current sessions to complete before closing
+func (srv *Server) Shutdown(ctx context.Context) error {
+	atomic.StoreInt32(&srv.inShutdown, 1)
+	srv.closeShutdownChan()
+
+	// wait for up to 30 seconds to allow the current sessions to
+	// end
+	timer := time.NewTimer(100 * time.Millisecond)
+	defer timer.Stop()
+
+	for i := 0; i < 300; i++ {
+		// wait for open sessions to close
+		if atomic.LoadInt32(&srv.openSessions) == 0 {
+			break
+		}
+
+		select {
+		case <-timer.C:
+			timer.Reset(100 * time.Millisecond)
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+		}
+	}
+
+	return nil
+}
+
+// Function called to handle connection requests.
+func (s *session) serve() {
+	defer atomic.AddInt32(&s.srv.openSessions, -1)
+	defer s.conn.Close()
+
+	var from string
+	var gotFrom bool
+	var to []string
+	var buffer bytes.Buffer
+
+	// Send banner.
+	s.writef("220 %s %s ESMTP Service ready", s.srv.Hostname, s.srv.AppName)
+
+loop:
+	for {
+		// Attempt to read a line from the socket.
+		// On timeout, send a timeout message and return from serve().
+		// On error, assume the client has gone away i.e. return from serve().
+		line, err := s.readLine()
+		if err != nil {
+			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+				s.writef("421 4.4.2 %s %s ESMTP Service closing transmission channel after timeout exceeded", s.srv.Hostname, s.srv.AppName)
+			}
+			break
+		}
+
+		verb, args := s.parseLine(line)
+
+		switch verb {
+		case "HELO":
+			s.remoteName = args
+			s.writef("250 %s greets %s", s.srv.Hostname, s.remoteName)
+
+			// RFC 2821 section 4.1.4 specifies that EHLO has the same effect as RSET, so reset for HELO too.
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "EHLO":
+			s.remoteName = args
+			s.writef("%s", s.makeEHLOResponse())
+
+			// RFC 2821 section 4.1.4 specifies that EHLO has the same effect as RSET.
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "MAIL":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			if s.srv.AuthHandler != nil && s.srv.AuthRequired && !s.authenticated {
+				s.writef("530 5.7.0 Authentication required")
+				break
+			}
+
+			match := mailFromRE.FindStringSubmatch(args)
+			if match == nil {
+				s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid FROM parameter)")
+			} else {
+				// Mailpit Chaos
+				if fail, code := chaos.Config.Sender.Trigger(); fail {
+					s.writef("%d Chaos sender error", code)
+					break
+				}
+
+				// Validate the SIZE parameter if one was sent.
+				if len(match[2]) > 0 { // A parameter is present
+					sizeMatch := mailFromSizeRE.FindStringSubmatch(match[3])
+					if sizeMatch == nil {
+						// ignore other parameter
+						from = match[1]
+						gotFrom = true
+						s.writef("250 2.1.0 Ok")
+					} else {
+						// Enforce the maximum message size if one is set.
+						size, err := strconv.Atoi(sizeMatch[2])
+						if err != nil { // Bad SIZE parameter
+							s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid SIZE parameter)")
+						} else if s.srv.MaxSize > 0 && size > s.srv.MaxSize { // SIZE above maximum size, if set
+							err = maxSizeExceeded(s.srv.MaxSize)
+							s.writef("%s", err.Error())
+						} else { // SIZE ok
+							from = match[1]
+							gotFrom = true
+							s.writef("250 2.1.0 Ok")
+						}
+					}
+				} else { // No parameters after FROM
+					from = match[1]
+					gotFrom = true
+					s.writef("250 2.1.0 Ok")
+				}
+			}
+
+			to = nil
+			buffer.Reset()
+		case "RCPT":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			if s.srv.AuthHandler != nil && s.srv.AuthRequired && !s.authenticated {
+				s.writef("530 5.7.0 Authentication required")
+				break
+			}
+			if !gotFrom {
+				s.writef("503 5.5.1 Bad sequence of commands (MAIL required before RCPT)")
+				break
+			}
+
+			match := rcptToRE.FindStringSubmatch(args)
+			if match == nil {
+				s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid TO parameter)")
+			} else {
+				// Mailpit Chaos
+				if fail, code := chaos.Config.Recipient.Trigger(); fail {
+					s.writef("%d Chaos recipient error", code)
+					break
+				}
+
+				// RFC 5321 specifies support for minimum of 100 recipients is required.
+				if s.srv.MaxRecipients == 0 {
+					s.srv.MaxRecipients = 100
+				}
+
+				if len(to) == s.srv.MaxRecipients {
+					s.writef("452 4.5.3 Too many recipients")
+				} else {
+					accept := true
+					if s.srv.HandlerRcpt != nil {
+						accept = s.srv.HandlerRcpt(s.conn.RemoteAddr(), from, match[1])
+					}
+					if accept {
+						to = append(to, match[1])
+						s.writef("250 2.1.5 Ok")
+					} else {
+						s.writef("550 5.1.0 Requested action not taken: mailbox unavailable")
+					}
+				}
+			}
+		case "DATA":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			if s.srv.AuthHandler != nil && s.srv.AuthRequired && !s.authenticated {
+				s.writef("530 5.7.0 Authentication required")
+				break
+			}
+			if !gotFrom || len(to) == 0 {
+				s.writef("503 5.5.1 Bad sequence of commands (MAIL & RCPT required before DATA)")
+				break
+			}
+
+			s.writef("354 Start mail input; end with <CR><LF>.<CR><LF>")
+
+			// Attempt to read message body from the socket.
+			// On timeout, send a timeout message and return from serve().
+			// On net.Error, assume the client has gone away i.e. return from serve().
+			// On other errors, allow the client to try again.
+			data, err := s.readData()
+			if err != nil {
+				switch err.(type) {
+				case net.Error:
+					if err.(net.Error).Timeout() {
+						s.writef("421 4.4.2 %s %s ESMTP Service closing transmission channel after timeout exceeded", s.srv.Hostname, s.srv.AppName)
+					}
+					break loop
+				case maxSizeExceededError:
+					s.writef("%s", err.Error())
+					continue
+				default:
+					s.writef("451 4.3.0 Requested action aborted: local error in processing")
+					continue
+				}
+			}
+
+			// Create Received header & write message body into buffer.
+			buffer.Reset()
+			buffer.Write(s.makeHeaders(to))
+			buffer.Write(data)
+
+			// Pass mail on to handler.
+			if s.srv.Handler != nil {
+				err := s.srv.Handler(s.conn.RemoteAddr(), from, to, buffer.Bytes())
+				if err != nil {
+					checkErrFormat := regexp.MustCompile(`^([2-5][0-9]{2})[\s\-](.+)$`)
+					if checkErrFormat.MatchString(err.Error()) {
+						s.writef("%s", err.Error())
+					} else {
+						s.writef("451 4.3.5 Unable to process mail")
+					}
+					break
+				}
+				s.writef("250 2.0.0 Ok: queued")
+			} else if s.srv.MsgIDHandler != nil {
+				msgID, err := s.srv.MsgIDHandler(s.conn.RemoteAddr(), from, to, buffer.Bytes())
+				if err != nil {
+					checkErrFormat := regexp.MustCompile(`^([2-5][0-9]{2})[\s\-](.+)$`)
+					if checkErrFormat.MatchString(err.Error()) {
+						s.writef("%s", err.Error())
+					} else {
+						s.writef("451 4.3.5 Unable to process mail")
+					}
+					break
+				}
+
+				if msgID != "" {
+					s.writef("250 2.0.0 Ok: queued as %s", msgID)
+				} else {
+					s.writef("250 2.0.0 Ok: queued")
+				}
+			} else {
+				s.writef("250 2.0.0 Ok: queued")
+			}
+
+			// Reset for next mail.
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "QUIT":
+			s.writef("221 2.0.0 %s %s ESMTP Service closing transmission channel", s.srv.Hostname, s.srv.AppName)
+			break loop
+		case "RSET":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			s.writef("250 2.0.0 Ok")
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "NOOP":
+			s.writef("250 2.0.0 Ok")
+		case "XCLIENT":
+			s.xClient = args
+			if s.xClientTrust {
+				xCArgs := strings.Split(args, " ")
+				for _, xCArg := range xCArgs {
+					xCParse := strings.Split(strings.TrimSpace(xCArg), "=")
+					if strings.ToUpper(xCParse[0]) == "ADDR" && (net.ParseIP(xCParse[1]) != nil) {
+						s.xClientADDR = xCParse[1]
+					}
+					if strings.ToUpper(xCParse[0]) == "NAME" && len(xCParse[1]) > 0 {
+						if xCParse[1] != "[UNAVAILABLE]" {
+							s.xClientNAME = xCParse[1]
+						}
+					}
+				}
+				if len(s.xClientADDR) > 7 {
+					s.remoteIP = s.xClientADDR
+					if len(s.xClientNAME) > 4 {
+						s.remoteHost = s.xClientNAME
+					} else {
+						names, err := net.LookupAddr(s.remoteIP)
+						if err == nil && len(names) > 0 {
+							s.remoteHost = names[0]
+						} else {
+							s.remoteHost = "unknown"
+						}
+					}
+				}
+			}
+			s.writef("250 2.0.0 Ok")
+		case "HELP", "VRFY", "EXPN":
+			// See RFC 5321 section 4.2.4 for usage of 500 & 502 response codes.
+			s.writef("502 5.5.1 Command not implemented")
+		case "STARTTLS":
+			// Parameters are not allowed (RFC 3207 section 4).
+			if args != "" {
+				s.writef("501 5.5.2 Syntax error (no parameters allowed)")
+				break
+			}
+
+			// Handle case where TLS is requested but not configured (and therefore not listed as a service extension).
+			if s.srv.TLSConfig == nil {
+				s.writef("502 5.5.1 Command not implemented")
+				break
+			}
+
+			// Handle case where STARTTLS is received when TLS is already in use.
+			if s.tls {
+				s.writef("503 5.5.1 Bad sequence of commands (TLS already in use)")
+				break
+			}
+
+			s.writef("220 2.0.0 Ready to start TLS")
+
+			// Establish a TLS connection with the client.
+			tlsConn := tls.Server(s.conn, s.srv.TLSConfig)
+			err := tlsConn.Handshake()
+			if err != nil {
+				s.writef("403 4.7.0 TLS handshake failed")
+				break
+			}
+
+			// TLS handshake succeeded, switch to using the TLS connection.
+			s.conn = tlsConn
+			s.br = bufio.NewReader(s.conn)
+			s.bw = bufio.NewWriter(s.conn)
+			s.tls = true
+
+			// RFC 3207 specifies that the server must discard any prior knowledge obtained from the client.
+			s.remoteName = ""
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "AUTH":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			// Handle case where AUTH is requested but not configured (and therefore not listed as a service extension).
+			if s.srv.AuthHandler == nil {
+				s.writef("502 5.5.1 Command not implemented")
+				break
+			}
+
+			// Handle case where AUTH is received when already authenticated.
+			if s.authenticated {
+				s.writef("503 5.5.1 Bad sequence of commands (already authenticated for this session)")
+				break
+			}
+
+			// RFC 4954 specifies that AUTH is not permitted during mail transactions.
+			if gotFrom || len(to) > 0 {
+				s.writef("503 5.5.1 Bad sequence of commands (AUTH not permitted during mail transaction)")
+				break
+			}
+
+			// RFC 4954 requires a mechanism parameter.
+			authType, authArgs := s.parseLine(args)
+			if authType == "" {
+				s.writef("501 5.5.4 Malformed AUTH input (argument required)")
+				break
+			}
+
+			// RFC 4954 requires rejecting unsupported authentication mechanisms with a 504 response.
+			allowedAuth := s.authMechs()
+			if allowed, found := allowedAuth[authType]; !found || !allowed {
+				s.writef("504 5.5.4 Unrecognized authentication type")
+				break
+			}
+
+			// Mailpit Chaos
+			if fail, code := chaos.Config.Authentication.Trigger(); fail {
+				s.writef("%d Chaos authentication error", code)
+				break
+			}
+
+			// RFC 4954 also specifies that ESMTP code 5.5.4 ("Invalid command arguments") should be returned
+			// when attempting to use an unsupported authentication type.
+			// Many servers return 5.7.4 ("Security features not supported") instead.
+			switch authType {
+			case "PLAIN":
+				s.authenticated, err = s.handleAuthPlain(authArgs)
+			case "LOGIN":
+				s.authenticated, err = s.handleAuthLogin(authArgs)
+			case "CRAM-MD5":
+				s.authenticated, err = s.handleAuthCramMD5()
+			}
+
+			if err != nil {
+				if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+					s.writef("421 4.4.2 %s %s ESMTP Service closing transmission channel after timeout exceeded", s.srv.Hostname, s.srv.AppName)
+					break loop
+				}
+
+				s.writef("%s", err.Error())
+				break
+			}
+
+			if s.authenticated {
+				s.writef("235 2.7.0 Authentication successful")
+			} else {
+				s.writef("535 5.7.8 Authentication credentials invalid")
+			}
+		default:
+			// See RFC 5321 section 4.2.4 for usage of 500 & 502 response codes.
+			s.writef("500 5.5.2 Syntax error, command unrecognized")
+		}
+	}
+}
+
+// Wrapper function for writing a complete line to the socket.
+func (s *session) writef(format string, args ...interface{}) {
+	if s.srv.Timeout > 0 {
+		_ = s.conn.SetWriteDeadline(time.Now().Add(s.srv.Timeout))
+	}
+
+	line := fmt.Sprintf(format, args...)
+	fmt.Fprintf(s.bw, "%s\r\n", line)
+	_ = s.bw.Flush()
+
+	if Debug {
+		verb := "WROTE"
+		if s.srv.LogWrite != nil {
+			s.srv.LogWrite(s.remoteIP, verb, line)
+		} else {
+			log.Println(s.remoteIP, verb, line)
+		}
+	}
+}
+
+// Read a complete line from the socket.
+func (s *session) readLine() (string, error) {
+	if s.srv.Timeout > 0 {
+		_ = s.conn.SetReadDeadline(time.Now().Add(s.srv.Timeout))
+	}
+
+	line, err := s.br.ReadString('\n')
+	if err != nil {
+		return "", err
+	}
+	line = strings.TrimSpace(line) // Strip trailing \r\n
+
+	if Debug {
+		verb := "READ"
+		if s.srv.LogRead != nil {
+			s.srv.LogRead(s.remoteIP, verb, line)
+		} else {
+			log.Println(s.remoteIP, verb, line)
+		}
+	}
+
+	return line, err
+}
+
+// Parse a line read from the socket.
+func (s *session) parseLine(line string) (verb string, args string) {
+	if idx := strings.Index(line, " "); idx != -1 {
+		verb = strings.ToUpper(line[:idx])
+		args = strings.TrimSpace(line[idx+1:])
+	} else {
+		verb = strings.ToUpper(line)
+		args = ""
+	}
+	return verb, args
+}
+
+// Read the message data following a DATA command.
+func (s *session) readData() ([]byte, error) {
+	var data []byte
+	for {
+		if s.srv.Timeout > 0 {
+			_ = s.conn.SetReadDeadline(time.Now().Add(s.srv.Timeout))
+		}
+
+		line, err := s.br.ReadBytes('\n')
+		if err != nil {
+			return nil, err
+		}
+		// Handle end of data denoted by lone period (\r\n.\r\n)
+		if bytes.Equal(line, []byte(".\r\n")) {
+			break
+		}
+		// Remove leading period (RFC 5321 section 4.5.2)
+		if line[0] == '.' {
+			line = line[1:]
+		}
+
+		// Enforce the maximum message size limit.
+		if s.srv.MaxSize > 0 {
+			if len(data)+len(line) > s.srv.MaxSize {
+				_, _ = s.br.Discard(s.br.Buffered()) // Discard the buffer remnants.
+				return nil, maxSizeExceeded(s.srv.MaxSize)
+			}
+		}
+
+		data = append(data, line...)
+	}
+	return data, nil
+}
+
+// Create the Received header to comply with RFC 2821 section 3.8.2.
+// TODO: Work out what to do with multiple to addresses.
+func (s *session) makeHeaders(to []string) []byte {
+	var buffer bytes.Buffer
+	now := time.Now().Format("Mon, 2 Jan 2006 15:04:05 -0700 (MST)")
+	buffer.WriteString(fmt.Sprintf("Received: from %s (%s [%s])\r\n", s.remoteName, s.remoteHost, s.remoteIP))
+	buffer.WriteString(fmt.Sprintf("        by %s (%s) with SMTP\r\n", s.srv.Hostname, s.srv.AppName))
+	buffer.WriteString(fmt.Sprintf("        for <%s>; %s\r\n", to[0], now))
+	return buffer.Bytes()
+}
+
+// Determine allowed authentication mechanisms.
+// RFC 4954 specifies that plaintext authentication mechanisms such as LOGIN and PLAIN require a TLS connection.
+// This can be explicitly overridden e.g. setting s.srv.AuthMechs["LOGIN"] = true.
+func (s *session) authMechs() (mechs map[string]bool) {
+	mechs = map[string]bool{"LOGIN": s.tls, "PLAIN": s.tls, "CRAM-MD5": true}
+
+	for mech := range mechs {
+		allowed, found := s.srv.AuthMechs[mech]
+		if found {
+			mechs[mech] = allowed
+		}
+	}
+
+	return
+}
+
+// Create the greeting string sent in response to an EHLO command.
+func (s *session) makeEHLOResponse() (response string) {
+	response = fmt.Sprintf("250-%s greets %s\r\n", s.srv.Hostname, s.remoteName)
+
+	// RFC 1870 specifies that "SIZE 0" indicates no maximum size is in force.
+	response += fmt.Sprintf("250-SIZE %d\r\n", s.srv.MaxSize)
+
+	// Only list STARTTLS if TLS is configured, but not currently in use.
+	if s.srv.TLSConfig != nil && !s.tls {
+		response += "250-STARTTLS\r\n"
+	}
+
+	// Only list AUTH if an AuthHandler is configured and at least one mechanism is allowed.
+	if s.srv.AuthHandler != nil {
+		var mechs []string
+		for mech, allowed := range s.authMechs() {
+			if allowed {
+				mechs = append(mechs, mech)
+			}
+		}
+		if len(mechs) > 0 {
+			response += "250-AUTH " + strings.Join(mechs, " ") + "\r\n"
+		}
+	}
+
+	response += "250 ENHANCEDSTATUSCODES"
+	return
+}
+
+func (s *session) handleAuthLogin(arg string) (bool, error) {
+	var err error
+
+	if arg == "" {
+		s.writef("334 %s", base64.StdEncoding.EncodeToString([]byte("Username:")))
+		arg, err = s.readLine()
+		if err != nil {
+			return false, err
+		}
+	}
+
+	username, err := base64.StdEncoding.DecodeString(arg)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	s.writef("334 %s", base64.StdEncoding.EncodeToString([]byte("Password:")))
+	line, err := s.readLine()
+	if err != nil {
+		return false, err
+	}
+
+	password, err := base64.StdEncoding.DecodeString(line)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	// Validate credentials.
+	authenticated, err := s.srv.AuthHandler(s.conn.RemoteAddr(), "LOGIN", username, password, nil)
+
+	return authenticated, err
+}
+
+func (s *session) handleAuthPlain(arg string) (bool, error) {
+	var err error
+
+	// If fast mode (AUTH PLAIN [arg]) is not used, prompt for credentials.
+	if arg == "" {
+		s.writef("334 ")
+		arg, err = s.readLine()
+		if err != nil {
+			return false, err
+		}
+	}
+
+	data, err := base64.StdEncoding.DecodeString(arg)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	parts := bytes.Split(data, []byte{0})
+	if len(parts) != 3 {
+		return false, errors.New("501 5.5.2 Syntax error (unable to parse)")
+	}
+
+	// Validate credentials.
+	authenticated, err := s.srv.AuthHandler(s.conn.RemoteAddr(), "PLAIN", parts[1], parts[2], nil)
+
+	return authenticated, err
+}
+
+func (s *session) handleAuthCramMD5() (bool, error) {
+	shared := "<" + strconv.Itoa(os.Getpid()) + "." + strconv.Itoa(time.Now().Nanosecond()) + "@" + s.srv.Hostname + ">"
+
+	s.writef("334 %s", base64.StdEncoding.EncodeToString([]byte(shared)))
+
+	data, err := s.readLine()
+	if err != nil {
+		return false, err
+	}
+
+	if data == "*" {
+		return false, errors.New("501 5.7.0 Authentication cancelled")
+	}
+
+	buf, err := base64.StdEncoding.DecodeString(data)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	fields := strings.Split(string(buf), " ")
+	if len(fields) < 2 {
+		return false, errors.New("501 5.5.2 Syntax error (unable to parse)")
+	}
+
+	// Validate credentials.
+	authenticated, err := s.srv.AuthHandler(s.conn.RemoteAddr(), "CRAM-MD5", []byte(fields[0]), []byte(fields[1]), []byte(shared))
+
+	return authenticated, err
+}

internal/spamassassin/spamassassin.go

@@ -71,7 +71,7 @@ func Ping() error {
 	}
 
 	var client *spamc.Client
-	if strings.HasPrefix("unix:", service) {
+	if strings.HasPrefix(service, "unix:") {
 		client = spamc.NewUnix(strings.TrimLeft(service, "unix:"))
 	} else {
 		client = spamc.NewTCP(service, timeout)
@@ -112,7 +112,7 @@ func Check(msg []byte) (Result, error) {
 		}
 	} else {
 		var client *spamc.Client
-		if strings.HasPrefix("unix:", service) {
+		if strings.HasPrefix(service, "unix:") {
 			client = spamc.NewUnix(strings.TrimLeft(service, "unix:"))
 		} else {
 			client = spamc.NewTCP(service, timeout)

internal/spamassassin/spamc/spamc.go

@@ -13,6 +13,8 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/axllent/mailpit/internal/tools"
 )
 
 // ProtoVersion is the protocol version
@@ -81,6 +83,7 @@ func (c *Client) dial() (connection, error) {
 		}
 		return net.DialUnix("unix", nil, unixAddr)
 	}
+
 	panic("Client.net must be either \"tcp\" or \"unix\"")
 }
 
@@ -107,26 +110,25 @@ func (c *Client) report(email []byte) ([]string, error) {
 	}
 
 	bw := bufio.NewWriter(conn)
-	_, err = bw.WriteString("REPORT SPAMC/" + ProtoVersion + "\r\n")
-	if err != nil {
+	if _, err := bw.WriteString("REPORT SPAMC/" + ProtoVersion + "\r\n"); err != nil {
 		return nil, err
 	}
-	_, err = bw.WriteString("Content-length: " + strconv.Itoa(len(email)) + "\r\n\r\n")
-	if err != nil {
+
+	if _, err := bw.WriteString("Content-length: " + strconv.Itoa(len(email)) + "\r\n\r\n"); err != nil {
 		return nil, err
 	}
-	_, err = bw.Write(email)
-	if err != nil {
+
+	if _, err := bw.Write(email); err != nil {
 		return nil, err
 	}
-	err = bw.Flush()
-	if err != nil {
+
+	if err := bw.Flush(); err != nil {
 		return nil, err
 	}
+
 	// Client is supposed to close its writing side of the connection
 	// after sending its request.
-	err = conn.CloseWrite()
-	if err != nil {
+	if err := conn.CloseWrite(); err != nil {
 		return nil, err
 	}
 
@@ -134,6 +136,7 @@ func (c *Client) report(email []byte) ([]string, error) {
 		lines []string
 		br    = bufio.NewReader(conn)
 	)
+
 	for {
 		line, err := br.ReadString('\n')
 		if err == io.EOF {
@@ -171,11 +174,12 @@ func (c *Client) parseOutput(output []string) Result {
 				continue
 			}
 		}
+
 		// summary
 		if spamMainRe.MatchString(row) {
 			res := spamMainRe.FindStringSubmatch(row)
 			if len(res) == 4 {
-				if strings.ToLower(res[1]) == "true" || strings.ToLower(res[1]) == "yes" {
+				if tools.InArray(res[1], []string{"true", "yes"}) {
 					result.Spam = true
 				} else {
 					result.Spam = false
@@ -197,8 +201,8 @@ func (c *Client) parseOutput(output []string) Result {
 			reachedRules = true
 			continue
 		}
+
 		// details
-		// row = strings.Trim(row, " \t\r\n")
 		if reachedRules && spamDetailsRe.MatchString(row) {
 			res := spamDetailsRe.FindStringSubmatch(row)
 			if len(res) == 5 {
@@ -207,6 +211,7 @@ func (c *Client) parseOutput(output []string) Result {
 			}
 		}
 	}
+
 	return result
 }
 
@@ -222,12 +227,11 @@ func (c *Client) Ping() error {
 		return err
 	}
 
-	_, err = io.WriteString(conn, fmt.Sprintf("PING SPAMC/%s\r\n\r\n", ProtoVersion))
-	if err != nil {
+	if _, err := io.WriteString(conn, fmt.Sprintf("PING SPAMC/%s\r\n\r\n", ProtoVersion)); err != nil {
 		return err
 	}
-	err = conn.CloseWrite()
-	if err != nil {
+
+	if err := conn.CloseWrite(); err != nil {
 		return err
 	}
 
@@ -241,5 +245,6 @@ func (c *Client) Ping() error {
 			return err
 		}
 	}
+
 	return nil
 }

internal/storage/cron.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/tools"
 	"github.com/axllent/mailpit/server/websockets"
 	"github.com/leporo/sqlf"
 )
@@ -48,34 +49,74 @@ func dbCron() {
 // PruneMessages will auto-delete the oldest messages if messages > config.MaxMessages.
 // Set config.MaxMessages to 0 to disable.
 func pruneMessages() {
-	if config.MaxMessages < 1 {
+	if config.MaxMessages < 1 && config.MaxAgeInHours == 0 {
 		return
 	}
 
 	start := time.Now()
 
-	q := sqlf.Select("ID, Size").
-		From(tenant("mailbox")).
-		OrderBy("Created DESC").
-		Limit(5000).
-		Offset(config.MaxMessages)
-
 	ids := []string{}
 	var prunedSize int64
 	var size float64
-	if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
-		var id string
 
-		if err := row.Scan(&id, &size); err != nil {
+	// prune using `--max` if set
+	if config.MaxMessages > 0 {
+		total := CountTotal()
+		if total > float64(config.MaxAgeInHours) {
+			offset := config.MaxMessages
+			if config.DemoMode {
+				offset = 500
+			}
+			q := sqlf.Select("ID, Size").
+				From(tenant("mailbox")).
+				OrderBy("Created DESC").
+				Limit(5000).
+				Offset(offset)
+
+			if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
+				var id string
+
+				if err := row.Scan(&id, &size); err != nil {
+					logger.Log().Errorf("[db] %s", err.Error())
+					return
+				}
+				ids = append(ids, id)
+				prunedSize = prunedSize + int64(size)
+
+			}); err != nil {
+				logger.Log().Errorf("[db] %s", err.Error())
+				return
+			}
+		}
+	}
+
+	// prune using `--max-age` if set
+	if config.MaxAgeInHours > 0 {
+		// now() minus the number of hours
+		ts := time.Now().Add(time.Duration(-config.MaxAgeInHours) * time.Hour).UnixMilli()
+
+		q := sqlf.Select("ID, Size").
+			From(tenant("mailbox")).
+			Where("Created < ?", ts).
+			Limit(5000)
+
+		if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
+			var id string
+
+			if err := row.Scan(&id, &size); err != nil {
+				logger.Log().Errorf("[db] %s", err.Error())
+				return
+			}
+
+			if !tools.InArray(id, ids) {
+				ids = append(ids, id)
+				prunedSize = prunedSize + int64(size)
+			}
+
+		}); err != nil {
 			logger.Log().Errorf("[db] %s", err.Error())
 			return
 		}
-		ids = append(ids, id)
-		prunedSize = prunedSize + int64(size)
-
-	}); err != nil {
-		logger.Log().Errorf("[db] %s", err.Error())
-		return
 	}
 
 	if len(ids) == 0 {
@@ -132,6 +173,10 @@ func pruneMessages() {
 
 	logMessagesDeleted(len(ids))
 
+	if config.DemoMode {
+		vacuumDb()
+	}
+
 	websockets.Broadcast("prune", nil)
 }
 

internal/storage/database.go

@@ -28,25 +28,31 @@ import (
 var (
 	db           *sql.DB
 	dbFile       string
-	dbIsTemp     bool
 	sqlDriver    string
 	dbLastAction time.Time
 
 	// zstd compression encoder & decoder
 	dbEncoder, _ = zstd.NewWriter(nil)
 	dbDecoder, _ = zstd.NewReader(nil)
+
+	temporaryFiles = []string{}
 )
 
 // InitDB will initialise the database
 func InitDB() error {
+	var (
+		dsn string
+		err error
+	)
+
 	p := config.Database
-	var dsn string
 
 	if p == "" {
 		// when no path is provided then we create a temporary file
 		// which will get deleted on Close(), SIGINT or SIGTERM
 		p = fmt.Sprintf("%s-%d.db", path.Join(os.TempDir(), "mailpit"), time.Now().UnixNano())
-		dbIsTemp = true
+		// delete the Unix socket file on exit
+		AddTempFile(p)
 		sqlDriver = "sqlite"
 		dsn = p
 		logger.Log().Debugf("[db] using temporary database: %s", p)
@@ -74,8 +80,6 @@ func InitDB() error {
 		}
 	}
 
-	var err error
-
 	db, err = sql.Open(sqlDriver, dsn)
 	if err != nil {
 		return err
@@ -154,12 +158,8 @@ func Close() {
 	// allow SQLite to finish closing DB & write WAL logs if local
 	time.Sleep(100 * time.Millisecond)
 
-	if dbIsTemp && isFile(dbFile) {
-		logger.Log().Debugf("[db] deleting temporary file %s", dbFile)
-		if err := os.Remove(dbFile); err != nil {
-			logger.Log().Errorf("[db] %s", err.Error())
-		}
-	}
+	// delete all temporary files
+	deleteTempFiles()
 }
 
 // Ping the database connection and return an error if unsuccessful

internal/storage/messages.go

@@ -27,8 +27,10 @@ import (
 // Store will save an email to the database tables.
 // Returns the database ID of the saved message.
 func Store(body *[]byte) (string, error) {
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
 	// Parse message body with enmime
-	env, err := enmime.ReadEnvelope(bytes.NewReader(*body))
+	env, err := parser.ReadEnvelope(bytes.NewReader(*body))
 	if err != nil {
 		logger.Log().Warnf("[message] %s", err.Error())
 		return "", nil
@@ -50,7 +52,7 @@ func Store(body *[]byte) (string, error) {
 		ReplyTo: addressToSlice(env, "Reply-To"),
 	}
 
-	messageID := strings.Trim(env.Root.Header.Get("Message-ID"), "<>")
+	messageID := strings.Trim(env.GetHeader("Message-ID"), "<>")
 	created := time.Now()
 
 	// use message date instead of created date
@@ -112,23 +114,29 @@ func Store(body *[]byte) (string, error) {
 		return "", err
 	}
 
-	// extract tags from body matches
-	rawTags := findTagsInRawMessage(body)
-	// extract plus addresses tags from enmime.Envelope
-	plusTags := obj.tagsFromPlusAddresses()
-	// extract tags from X-Tags header
-	xTags := tools.SetTagCasing(strings.Split(strings.TrimSpace(env.Root.Header.Get("X-Tags")), ","))
-	// extract tags from search matches
-	searchTags := tagFilterMatches(id)
+	// extract tags using pre-set tag filters, empty slice if not set
+	tags := findTagsInRawMessage(body)
 
-	// combine all tags into one slice
-	tags := append(rawTags, plusTags...)
-	tags = append(tags, xTags...)
-	// sort and extract only unique tags
-	tags = sortedUniqueTags(append(tags, searchTags...))
+	if !config.TagsDisableXTags {
+		xTagsHdr := env.GetHeader("X-Tags")
+		if xTagsHdr != "" {
+			// extract tags from X-Tags header
+			tags = append(tags, tools.SetTagCasing(strings.Split(strings.TrimSpace(xTagsHdr), ","))...)
+		}
+	}
 
+	if !config.TagsDisablePlus {
+		// get tags from plus-addresses
+		tags = append(tags, obj.tagsFromPlusAddresses()...)
+	}
+
+	// extract tags from search matches, and sort and extract unique tags
+	tags = sortedUniqueTags(append(tags, tagFilterMatches(id)...))
+
+	setTags := []string{}
 	if len(tags) > 0 {
-		if err := SetMessageTags(id, tags); err != nil {
+		setTags, err = SetMessageTags(id, tags)
+		if err != nil {
 			return "", err
 		}
 	}
@@ -144,7 +152,7 @@ func Store(body *[]byte) (string, error) {
 	c.Attachments = attachments
 	c.Subject = subject
 	c.Size = size
-	c.Tags = tags
+	c.Tags = setTags
 	c.Snippet = snippet
 
 	websockets.Broadcast("new", c)
@@ -154,12 +162,14 @@ func Store(body *[]byte) (string, error) {
 
 	BroadcastMailboxStats()
 
+	logger.Log().Debugf("[db] saved message %s (%d bytes)", id, int64(size))
+
 	return id, nil
 }
 
 // List returns a subset of messages from the mailbox,
 // sorted latest to oldest
-func List(start, limit int) ([]MessageSummary, error) {
+func List(start int, beforeTS int64, limit int) ([]MessageSummary, error) {
 	results := []MessageSummary{}
 	tsStart := time.Now()
 
@@ -169,6 +179,10 @@ func List(start, limit int) ([]MessageSummary, error) {
 		Limit(limit).
 		Offset(start)
 
+	if beforeTS > 0 {
+		q = q.Where("Created < ?", beforeTS)
+	}
+
 	if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
 		var created float64
 		var id string
@@ -233,7 +247,9 @@ func GetMessage(id string) (*Message, error) {
 
 	r := bytes.NewReader(raw)
 
-	env, err := enmime.ReadEnvelope(r)
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
+	env, err := parser.ReadEnvelope(r)
 	if err != nil {
 		return nil, err
 	}
@@ -384,7 +400,9 @@ func GetAttachmentPart(id, partID string) (*enmime.Part, error) {
 
 	r := bytes.NewReader(raw)
 
-	env, err := enmime.ReadEnvelope(r)
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
+	env, err := parser.ReadEnvelope(r)
 	if err != nil {
 		return nil, err
 	}
@@ -412,6 +430,21 @@ func GetAttachmentPart(id, partID string) (*enmime.Part, error) {
 	return nil, errors.New("attachment not found")
 }
 
+// AttachmentSummary returns a summary of the attachment without any binary data
+func AttachmentSummary(a *enmime.Part) Attachment {
+	o := Attachment{}
+	o.PartID = a.PartID
+	o.FileName = a.FileName
+	if o.FileName == "" {
+		o.FileName = a.ContentID
+	}
+	o.ContentType = a.ContentType
+	o.ContentID = a.ContentID
+	o.Size = float64(len(a.Content))
+
+	return o
+}
+
 // LatestID returns the latest message ID
 //
 // If a query argument is set in the request the function will return the
@@ -422,12 +455,12 @@ func LatestID(r *http.Request) (string, error) {
 
 	search := strings.TrimSpace(r.URL.Query().Get("query"))
 	if search != "" {
-		messages, _, err = Search(search, r.URL.Query().Get("tz"), 0, 1)
+		messages, _, err = Search(search, r.URL.Query().Get("tz"), 0, 0, 1)
 		if err != nil {
 			return "", err
 		}
 	} else {
-		messages, err = List(0, 1)
+		messages, err = List(0, 0, 1)
 		if err != nil {
 			return "", err
 		}
@@ -456,6 +489,13 @@ func MarkRead(id string) error {
 
 	BroadcastMailboxStats()
 
+	d := struct {
+		ID   string
+		Read bool
+	}{ID: id, Read: true}
+
+	websockets.Broadcast("update", d)
+
 	return err
 }
 
@@ -528,6 +568,13 @@ func MarkUnread(id string) error {
 
 	BroadcastMailboxStats()
 
+	d := struct {
+		ID   string
+		Read bool
+	}{ID: id, Read: false}
+
+	websockets.Broadcast("update", d)
+
 	return err
 }
 
@@ -593,7 +640,9 @@ func DeleteMessages(ids []string) error {
 		}
 	}
 
-	err = tx.Commit()
+	if err := tx.Commit(); err != nil {
+		return err
+	}
 
 	dbLastAction = time.Now()
 	addDeletedSize(int64(totalSize))
@@ -613,6 +662,15 @@ func DeleteMessages(ids []string) error {
 
 	BroadcastMailboxStats()
 
+	// broadcast individual message deletions
+	for _, id := range toDelete {
+		d := struct {
+			ID string
+		}{ID: id}
+
+		websockets.Broadcast("delete", d)
+	}
+
 	return nil
 }
 
@@ -663,8 +721,9 @@ func DeleteAllMessages() error {
 
 	logMessagesDeleted(total)
 
-	websockets.Broadcast("prune", nil)
 	BroadcastMailboxStats()
 
+	websockets.Broadcast("truncate", nil)
+
 	return err
 }

internal/storage/messages_test.go

@@ -3,10 +3,12 @@ package storage
 import (
 	"testing"
 	"time"
+
+	"github.com/axllent/mailpit/config"
 )
 
 func TestTextEmailInserts(t *testing.T) {
-	setup()
+	setup("")
 	defer Close()
 
 	t.Log("Testing text email storage")
@@ -38,113 +40,140 @@ func TestTextEmailInserts(t *testing.T) {
 }
 
 func TestMimeEmailInserts(t *testing.T) {
-	setup()
-	defer Close()
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
 
-	t.Log("Testing mime email storage")
+		setup(tenantID)
 
-	start := time.Now()
+		if tenantID == "" {
+			t.Log("Testing mime email storage")
+		} else {
+			t.Logf("Testing mime email storage (tenant %s)", tenantID)
+		}
+
+		start := time.Now()
+
+		for i := 0; i < testRuns; i++ {
+			if _, err := Store(&testMimeEmail); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+		}
+
+		assertEqual(t, CountTotal(), float64(testRuns), "Incorrect number of mime emails stored")
+
+		t.Logf("Inserted %d text emails in %s", testRuns, time.Since(start))
+
+		delStart := time.Now()
+		if err := DeleteAllMessages(); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		assertEqual(t, CountTotal(), float64(0), "incorrect number of mime emails deleted")
+
+		t.Logf("Deleted %d mime emails in %s", testRuns, time.Since(delStart))
+
+		Close()
+	}
+}
+
+func TestRetrieveMimeEmail(t *testing.T) {
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
+
+		setup(tenantID)
+
+		if tenantID == "" {
+			t.Log("Testing mime email retrieval")
+		} else {
+			t.Logf("Testing mime email retrieval (tenant %s)", tenantID)
+		}
+
+		id, err := Store(&testMimeEmail)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		msg, err := GetMessage(id)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		assertEqual(t, msg.From.Name, "Sender Smith", "\"From\" name does not match")
+		assertEqual(t, msg.From.Address, "sender2@example.com", "\"From\" address does not match")
+		assertEqual(t, msg.Subject, "inline + attachment", "subject does not match")
+		assertEqual(t, len(msg.To), 1, "incorrect number of recipients")
+		assertEqual(t, msg.To[0].Name, "Recipient Ross", "\"To\" name does not match")
+		assertEqual(t, msg.To[0].Address, "recipient2@example.com", "\"To\" address does not match")
+		assertEqual(t, len(msg.Attachments), 1, "incorrect number of attachments")
+		assertEqual(t, msg.Attachments[0].FileName, "Sample PDF.pdf", "attachment filename does not match")
+		assertEqual(t, len(msg.Inline), 1, "incorrect number of inline attachments")
+		assertEqual(t, msg.Inline[0].FileName, "inline-image.jpg", "inline attachment filename does not match")
+
+		attachmentData, err := GetAttachmentPart(id, msg.Attachments[0].PartID)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+		assertEqual(t, float64(len(attachmentData.Content)), msg.Attachments[0].Size, "attachment size does not match")
+
+		inlineData, err := GetAttachmentPart(id, msg.Inline[0].PartID)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+		assertEqual(t, float64(len(inlineData.Content)), msg.Inline[0].Size, "inline attachment size does not match")
+
+		Close()
+	}
+}
+
+func TestMessageSummary(t *testing.T) {
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
+
+		setup(tenantID)
+
+		if tenantID == "" {
+			t.Log("Testing message summary")
+		} else {
+			t.Logf("Testing message summary (tenant %s)", tenantID)
+		}
 
-	for i := 0; i < testRuns; i++ {
 		if _, err := Store(&testMimeEmail); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
+
+		summaries, err := List(0, 0, 1)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		assertEqual(t, len(summaries), 1, "Expected 1 result")
+
+		msg := summaries[0]
+
+		assertEqual(t, msg.From.Name, "Sender Smith", "\"From\" name does not match")
+		assertEqual(t, msg.From.Address, "sender2@example.com", "\"From\" address does not match")
+		assertEqual(t, msg.Subject, "inline + attachment", "subject does not match")
+		assertEqual(t, len(msg.To), 1, "incorrect number of recipients")
+		assertEqual(t, msg.To[0].Name, "Recipient Ross", "\"To\" name does not match")
+		assertEqual(t, msg.To[0].Address, "recipient2@example.com", "\"To\" address does not match")
+		assertEqual(t, msg.Snippet, "Message with inline image and attachment:", "\"Snippet\" does does not match")
+		assertEqual(t, msg.Attachments, 1, "Expected 1 attachment")
+		assertEqual(t, msg.MessageID, "33af2ac1-c33d-9738-35e3-a6daf90bbd89@gmail.com", "\"MessageID\" does not match")
+
+		Close()
 	}
-
-	assertEqual(t, CountTotal(), float64(testRuns), "Incorrect number of mime emails stored")
-
-	t.Logf("Inserted %d text emails in %s", testRuns, time.Since(start))
-
-	delStart := time.Now()
-	if err := DeleteAllMessages(); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, CountTotal(), float64(0), "incorrect number of mime emails deleted")
-
-	t.Logf("Deleted %d mime emails in %s", testRuns, time.Since(delStart))
-}
-
-func TestRetrieveMimeEmail(t *testing.T) {
-	setup()
-	defer Close()
-
-	t.Log("Testing mime email retrieval")
-
-	id, err := Store(&testMimeEmail)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	msg, err := GetMessage(id)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, msg.From.Name, "Sender Smith", "\"From\" name does not match")
-	assertEqual(t, msg.From.Address, "sender2@example.com", "\"From\" address does not match")
-	assertEqual(t, msg.Subject, "inline + attachment", "subject does not match")
-	assertEqual(t, len(msg.To), 1, "incorrect number of recipients")
-	assertEqual(t, msg.To[0].Name, "Recipient Ross", "\"To\" name does not match")
-	assertEqual(t, msg.To[0].Address, "recipient2@example.com", "\"To\" address does not match")
-	assertEqual(t, len(msg.Attachments), 1, "incorrect number of attachments")
-	assertEqual(t, msg.Attachments[0].FileName, "Sample PDF.pdf", "attachment filename does not match")
-	assertEqual(t, len(msg.Inline), 1, "incorrect number of inline attachments")
-	assertEqual(t, msg.Inline[0].FileName, "inline-image.jpg", "inline attachment filename does not match")
-
-	attachmentData, err := GetAttachmentPart(id, msg.Attachments[0].PartID)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	assertEqual(t, float64(len(attachmentData.Content)), msg.Attachments[0].Size, "attachment size does not match")
-
-	inlineData, err := GetAttachmentPart(id, msg.Inline[0].PartID)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	assertEqual(t, float64(len(inlineData.Content)), msg.Inline[0].Size, "inline attachment size does not match")
-}
-
-func TestMessageSummary(t *testing.T) {
-	setup()
-	defer Close()
-
-	t.Log("Testing message summary")
-
-	if _, err := Store(&testMimeEmail); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	summaries, err := List(0, 1)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, len(summaries), 1, "Expected 1 result")
-
-	msg := summaries[0]
-
-	assertEqual(t, msg.From.Name, "Sender Smith", "\"From\" name does not match")
-	assertEqual(t, msg.From.Address, "sender2@example.com", "\"From\" address does not match")
-	assertEqual(t, msg.Subject, "inline + attachment", "subject does not match")
-	assertEqual(t, len(msg.To), 1, "incorrect number of recipients")
-	assertEqual(t, msg.To[0].Name, "Recipient Ross", "\"To\" name does not match")
-	assertEqual(t, msg.To[0].Address, "recipient2@example.com", "\"To\" address does not match")
-	assertEqual(t, msg.Snippet, "Message with inline image and attachment:", "\"Snippet\" does does not match")
-	assertEqual(t, msg.Attachments, 1, "Expected 1 attachment")
-	assertEqual(t, msg.MessageID, "33af2ac1-c33d-9738-35e3-a6daf90bbd89@gmail.com", "\"MessageID\" does not match")
 }
 
 func BenchmarkImportText(b *testing.B) {
-	setup()
+	setup("")
 	defer Close()
 
 	for i := 0; i < b.N; i++ {
@@ -156,7 +185,7 @@ func BenchmarkImportText(b *testing.B) {
 }
 
 func BenchmarkImportMime(b *testing.B) {
-	setup()
+	setup("")
 	defer Close()
 
 	for i := 0; i < b.N; i++ {

internal/storage/reindex.go

@@ -43,12 +43,18 @@ func ReindexAll() {
 	logger.Log().Infof("reindexing %d messages", total)
 
 	type updateStruct struct {
-		ID         string
+		// ID in database
+		ID string
+		// SearchText for searching
 		SearchText string
-		Snippet    string
-		Metadata   string
+		// Snippet for UI
+		Snippet string
+		// Metadata info
+		Metadata string
 	}
 
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
 	for _, ids := range chunks {
 		updates := []updateStruct{}
 
@@ -61,7 +67,7 @@ func ReindexAll() {
 
 			r := bytes.NewReader(raw)
 
-			env, err := enmime.ReadEnvelope(r)
+			env, err := parser.ReadEnvelope(r)
 			if err != nil {
 				logger.Log().Errorf("[message] %s", err.Error())
 				continue
@@ -135,5 +141,6 @@ func chunkBy[T any](items []T, chunkSize int) (chunks [][]T) {
 	for chunkSize < len(items) {
 		items, chunks = items[chunkSize:], append(chunks, items[0:chunkSize:chunkSize])
 	}
+
 	return append(chunks, items)
 }

internal/storage/schemas.go

@@ -2,20 +2,15 @@ package storage
 
 import (
 	"bytes"
-	"context"
-	"database/sql"
 	"embed"
-	"encoding/json"
 	"log"
 	"path"
 	"sort"
 	"strings"
 	"text/template"
-	"time"
 
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/semver"
-	"github.com/leporo/sqlf"
 )
 
 //go:embed schemas/*
@@ -63,13 +58,6 @@ func dbApplySchemas() error {
 				}
 			}
 		}
-
-		// delete legacy migration database after 01/10/2024
-		if time.Now().After(time.Date(2024, 10, 1, 0, 0, 0, 0, time.Local)) {
-			if _, err := db.Exec(`DROP TABLE IF EXISTS ` + tenant("darwin_migrations")); err != nil {
-				return err
-			}
-		}
 	}
 
 	schemaFiles, err := schemaScripts.ReadDir("schemas")
@@ -137,7 +125,9 @@ func dbApplySchemas() error {
 
 		buf := new(bytes.Buffer)
 
-		err = t1.Execute(buf, nil)
+		if err := t1.Execute(buf, nil); err != nil {
+			return err
+		}
 
 		if _, err := db.Exec(buf.String()); err != nil {
 			return err
@@ -159,64 +149,4 @@ func dataMigrations() {
 	if SettingGet("DeletedSize") == "" {
 		_ = SettingPut("DeletedSize", "0")
 	}
-
-	migrateTagsToManyMany()
-}
-
-// Migrate tags to ManyMany structure
-// Migration task implemented 12/2023
-// TODO: Can be removed end 06/2024 and Tags column & index dropped from mailbox
-func migrateTagsToManyMany() {
-	toConvert := make(map[string][]string)
-	q := sqlf.
-		Select("ID, Tags").
-		From(tenant("mailbox")).
-		Where("Tags != ?", "[]").
-		Where("Tags IS NOT NULL")
-
-	if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
-		var id string
-		var jsonTags string
-		if err := row.Scan(&id, &jsonTags); err != nil {
-			logger.Log().Errorf("[migration] %s", err.Error())
-			return
-		}
-
-		tags := []string{}
-
-		if err := json.Unmarshal([]byte(jsonTags), &tags); err != nil {
-			logger.Log().Errorf("[json] %s", err.Error())
-			return
-		}
-
-		toConvert[id] = tags
-	}); err != nil {
-		logger.Log().Errorf("[migration] %s", err.Error())
-	}
-
-	if len(toConvert) > 0 {
-		logger.Log().Infof("[migration] converting %d message tags", len(toConvert))
-		for id, tags := range toConvert {
-			if err := SetMessageTags(id, tags); err != nil {
-				logger.Log().Errorf("[migration] %s", err.Error())
-			} else {
-				if _, err := sqlf.Update(tenant("mailbox")).
-					Set("Tags", nil).
-					Where("ID = ?", id).
-					ExecAndClose(context.TODO(), db); err != nil {
-					logger.Log().Errorf("[migration] %s", err.Error())
-				}
-			}
-		}
-
-		logger.Log().Info("[migration] tags conversion complete")
-	}
-
-	// set all legacy `[]` tags to NULL
-	if _, err := sqlf.Update(tenant("mailbox")).
-		Set("Tags", nil).
-		Where("Tags = ?", "[]").
-		ExecAndClose(context.TODO(), db); err != nil {
-		logger.Log().Errorf("[migration] %s", err.Error())
-	}
 }

internal/storage/schemas/1.21.2.sql

@@ -0,0 +1,6 @@
+-- DROP LEGACY MIGRATION TABLE
+DROP TABLE IF EXISTS {{ tenant "darwin_migrations" }};
+
+-- DROP LEGACY TAGS COLUMN
+DROP INDEX IF EXISTS {{ tenant "idx_tags" }};
+ALTER TABLE {{ tenant "mailbox" }} DROP COLUMN Tags;

internal/storage/schemas/1.21.8.sql

@@ -0,0 +1,22 @@
+-- Rebuild message_tags to remove FOREIGN KEY REFERENCES
+PRAGMA foreign_keys=OFF;
+
+DROP INDEX IF EXISTS {{ tenant "idx_message_tag_id" }};
+DROP INDEX IF EXISTS {{ tenant "idx_message_tag_tagid" }};
+
+ALTER TABLE {{ tenant "message_tags" }} RENAME TO _{{ tenant "message_tags" }}_old;
+
+CREATE TABLE IF NOT EXISTS {{ tenant "message_tags" }} (
+	Key INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+	ID TEXT NOT NULL,
+	TagID INTEGER NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS {{ tenant "idx_message_tags_id" }} ON {{ tenant "message_tags" }} (ID);
+CREATE INDEX IF NOT EXISTS {{ tenant "idx_message_tags_tagid" }} ON {{ tenant "message_tags" }} (TagID);
+
+INSERT INTO {{ tenant "message_tags" }} SELECT * FROM _{{ tenant "message_tags" }}_old;
+
+DROP TABLE IF EXISTS _{{ tenant "message_tags" }}_old;
+
+PRAGMA foreign_keys=ON;

internal/storage/search.go

@@ -4,13 +4,16 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
+	"fmt"
 	"regexp"
+	"strconv"
 	"strings"
 	"time"
 
 	"github.com/araddon/dateparse"
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/tools"
+	"github.com/axllent/mailpit/server/websockets"
 	"github.com/leporo/sqlf"
 )
 
@@ -18,7 +21,7 @@ import (
 // The search is broken up by segments (exact phrases can be quoted), and interprets specific terms such as:
 // is:read, is:unread, has:attachment, to:<term>, from:<term> & subject:<term>
 // Negative searches also also included by prefixing the search term with a `-` or `!`
-func Search(search, timezone string, start, limit int) ([]MessageSummary, int, error) {
+func Search(search, timezone string, start int, beforeTS int64, limit int) ([]MessageSummary, int, error) {
 	results := []MessageSummary{}
 	allResults := []MessageSummary{}
 	tsStart := time.Now()
@@ -28,6 +31,11 @@ func Search(search, timezone string, start, limit int) ([]MessageSummary, int, e
 	}
 
 	q := searchQueryBuilder(search, timezone)
+
+	if beforeTS > 0 {
+		q = q.Where(`Created < ?`, beforeTS)
+	}
+
 	var err error
 
 	if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
@@ -182,17 +190,30 @@ func DeleteSearch(search, timezone string) error {
 			}
 		}
 
-		err = tx.Commit()
+		if err := tx.Commit(); err != nil {
+			return err
+		}
 
 		if err := pruneUnusedTags(); err != nil {
 			return err
 		}
 
-		if err == nil {
-			logger.Log().Debugf("[db] deleted %d messages matching %s", total, search)
-		}
+		logger.Log().Debugf("[db] deleted %d messages matching %s", total, search)
 
 		dbLastAction = time.Now()
+
+		// broadcast changes
+		if len(ids) > 200 {
+			websockets.Broadcast("prune", nil)
+		} else {
+			for _, id := range ids {
+				d := struct {
+					ID string
+				}{ID: id}
+				websockets.Broadcast("delete", d)
+			}
+		}
+
 		addDeletedSize(int64(deleteSize))
 
 		logMessagesDeleted(total)
@@ -349,6 +370,12 @@ func searchQueryBuilder(searchString, timezone string) *sqlf.Stmt {
 			} else {
 				q.Where(`m.ID IN (SELECT DISTINCT mt.ID FROM ` + tenant("message_tags") + ` mt JOIN tags t ON mt.TagID = t.ID)`)
 			}
+		} else if lw == "has:inline" || lw == "has:inlines" {
+			if exclude {
+				q.Where("Inline = 0")
+			} else {
+				q.Where("Inline > 0")
+			}
 		} else if lw == "has:attachment" || lw == "has:attachments" {
 			if exclude {
 				q.Where("Attachments = 0")
@@ -385,6 +412,22 @@ func searchQueryBuilder(searchString, timezone string) *sqlf.Stmt {
 					}
 				}
 			}
+		} else if strings.HasPrefix(lw, "larger:") && sizeToBytes(cleanString(w[7:])) > 0 {
+			w = cleanString(w[7:])
+			size := sizeToBytes(w)
+			if exclude {
+				q.Where("Size < ?", size)
+			} else {
+				q.Where("Size > ?", size)
+			}
+		} else if strings.HasPrefix(lw, "smaller:") && sizeToBytes(cleanString(w[8:])) > 0 {
+			w = cleanString(w[8:])
+			size := sizeToBytes(w)
+			if exclude {
+				q.Where("Size > ?", size)
+			} else {
+				q.Where("Size < ?", size)
+			}
 		} else {
 			// search text
 			if exclude {
@@ -397,3 +440,39 @@ func searchQueryBuilder(searchString, timezone string) *sqlf.Stmt {
 
 	return q
 }
+
+// Simple function to return a size in bytes, eg 2kb, 4MB or 1.5m.
+//
+// K, k, Kb, KB, kB and kb are treated as Kilobytes.
+// M, m, Mb, MB and mb are treated as Megabytes.
+func sizeToBytes(v string) int64 {
+	v = strings.ToLower(v)
+	re := regexp.MustCompile(`^(\d+)(\.\d+)?\s?([a-z]{1,2})?$`)
+
+	m := re.FindAllStringSubmatch(v, -1)
+	if len(m) == 0 {
+		return 0
+	}
+
+	val := fmt.Sprintf("%s%s", m[0][1], m[0][2])
+	unit := m[0][3]
+
+	i, err := strconv.ParseFloat(strings.TrimSpace(val), 64)
+	if err != nil {
+		return 0
+	}
+
+	if unit == "" {
+		return int64(i)
+	}
+
+	if unit == "k" || unit == "kb" {
+		return int64(i * 1024)
+	}
+
+	if unit == "m" || unit == "mb" {
+		return int64(i * 1024 * 1024)
+	}
+
+	return 0
+}

internal/storage/search_test.go

@@ -6,133 +6,154 @@ import (
 	"math/rand"
 	"testing"
 
+	"github.com/axllent/mailpit/config"
 	"github.com/jhillyerd/enmime"
 )
 
 func TestSearch(t *testing.T) {
-	setup()
-	defer Close()
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
 
-	t.Log("Testing search")
-	for i := 0; i < testRuns; i++ {
-		msg := enmime.Builder().
-			From(fmt.Sprintf("From %d", i), fmt.Sprintf("from-%d@example.com", i)).
-			CC(fmt.Sprintf("CC %d", i), fmt.Sprintf("cc-%d@example.com", i)).
-			CC(fmt.Sprintf("CC2 %d", i), fmt.Sprintf("cc2-%d@example.com", i)).
-			Subject(fmt.Sprintf("Subject line %d end", i)).
-			Text([]byte(fmt.Sprintf("This is the email body %d <jdsauk;dwqmdqw;>.", i))).
-			To(fmt.Sprintf("To %d", i), fmt.Sprintf("to-%d@example.com", i)).
-			To(fmt.Sprintf("To2 %d", i), fmt.Sprintf("to2-%d@example.com", i)).
-			ReplyTo(fmt.Sprintf("Reply To %d", i), fmt.Sprintf("reply-to-%d@example.com", i))
+		setup(tenantID)
 
-		env, err := msg.Build()
+		if tenantID == "" {
+			t.Log("Testing search")
+		} else {
+			t.Logf("Testing search (tenant %s)", tenantID)
+		}
+
+		for i := 0; i < testRuns; i++ {
+			msg := enmime.Builder().
+				From(fmt.Sprintf("From %d", i), fmt.Sprintf("from-%d@example.com", i)).
+				CC(fmt.Sprintf("CC %d", i), fmt.Sprintf("cc-%d@example.com", i)).
+				CC(fmt.Sprintf("CC2 %d", i), fmt.Sprintf("cc2-%d@example.com", i)).
+				Subject(fmt.Sprintf("Subject line %d end", i)).
+				Text([]byte(fmt.Sprintf("This is the email body %d <jdsauk;dwqmdqw;>.", i))).
+				To(fmt.Sprintf("To %d", i), fmt.Sprintf("to-%d@example.com", i)).
+				To(fmt.Sprintf("To2 %d", i), fmt.Sprintf("to2-%d@example.com", i)).
+				ReplyTo(fmt.Sprintf("Reply To %d", i), fmt.Sprintf("reply-to-%d@example.com", i))
+
+			env, err := msg.Build()
+			if err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			buf := new(bytes.Buffer)
+
+			if err := env.Encode(buf); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			bufBytes := buf.Bytes()
+
+			if _, err := Store(&bufBytes); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+		}
+
+		for i := 1; i < 51; i++ {
+			// search a random something that will return a single result
+			uniqueSearches := []string{
+				fmt.Sprintf("from-%d@example.com", i),
+				fmt.Sprintf("from:from-%d@example.com", i),
+				fmt.Sprintf("to-%d@example.com", i),
+				fmt.Sprintf("to:to-%d@example.com", i),
+				fmt.Sprintf("to2-%d@example.com", i),
+				fmt.Sprintf("to:to2-%d@example.com", i),
+				fmt.Sprintf("cc-%d@example.com", i),
+				fmt.Sprintf("cc:cc-%d@example.com", i),
+				fmt.Sprintf("cc2-%d@example.com", i),
+				fmt.Sprintf("cc:cc2-%d@example.com", i),
+				fmt.Sprintf("reply-to-%d@example.com", i),
+				fmt.Sprintf("reply-to:\"reply-to-%d@example.com\"", i),
+				fmt.Sprintf("\"Subject line %d end\"", i),
+				fmt.Sprintf("subject:\"Subject line %d end\"", i),
+				fmt.Sprintf("\"the email body %d jdsauk dwqmdqw\"", i),
+			}
+			searchIdx := rand.Intn(len(uniqueSearches))
+
+			search := uniqueSearches[searchIdx]
+
+			summaries, _, err := Search(search, "", 0, 0, 100)
+			if err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			assertEqual(t, len(summaries), 1, "search result expected")
+
+			assertEqual(t, summaries[0].From.Name, fmt.Sprintf("From %d", i), "\"From\" name does not match")
+			assertEqual(t, summaries[0].From.Address, fmt.Sprintf("from-%d@example.com", i), "\"From\" address does not match")
+			assertEqual(t, summaries[0].To[0].Name, fmt.Sprintf("To %d", i), "\"To\" name does not match")
+			assertEqual(t, summaries[0].To[0].Address, fmt.Sprintf("to-%d@example.com", i), "\"To\" address does not match")
+			assertEqual(t, summaries[0].Subject, fmt.Sprintf("Subject line %d end", i), "\"Subject\" does not match")
+		}
+
+		// search something that will return 200 results
+		summaries, _, err := Search("This is the email body", "", 0, 0, testRuns)
 		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
+		assertEqual(t, len(summaries), testRuns, "search results expected")
 
-		buf := new(bytes.Buffer)
-
-		if err := env.Encode(buf); err != nil {
-			t.Log("error ", err)
-			t.Fail()
-		}
-
-		bufBytes := buf.Bytes()
-
-		if _, err := Store(&bufBytes); err != nil {
-			t.Log("error ", err)
-			t.Fail()
-		}
+		Close()
 	}
-
-	for i := 1; i < 51; i++ {
-		// search a random something that will return a single result
-		uniqueSearches := []string{
-			fmt.Sprintf("from-%d@example.com", i),
-			fmt.Sprintf("from:from-%d@example.com", i),
-			fmt.Sprintf("to-%d@example.com", i),
-			fmt.Sprintf("to:to-%d@example.com", i),
-			fmt.Sprintf("to2-%d@example.com", i),
-			fmt.Sprintf("to:to2-%d@example.com", i),
-			fmt.Sprintf("cc-%d@example.com", i),
-			fmt.Sprintf("cc:cc-%d@example.com", i),
-			fmt.Sprintf("cc2-%d@example.com", i),
-			fmt.Sprintf("cc:cc2-%d@example.com", i),
-			fmt.Sprintf("reply-to-%d@example.com", i),
-			fmt.Sprintf("reply-to:\"reply-to-%d@example.com\"", i),
-			fmt.Sprintf("\"Subject line %d end\"", i),
-			fmt.Sprintf("subject:\"Subject line %d end\"", i),
-			fmt.Sprintf("\"the email body %d jdsauk dwqmdqw\"", i),
-		}
-		searchIdx := rand.Intn(len(uniqueSearches))
-
-		search := uniqueSearches[searchIdx]
-
-		summaries, _, err := Search(search, "", 0, 100)
-		if err != nil {
-			t.Log("error ", err)
-			t.Fail()
-		}
-
-		assertEqual(t, len(summaries), 1, "search result expected")
-
-		assertEqual(t, summaries[0].From.Name, fmt.Sprintf("From %d", i), "\"From\" name does not match")
-		assertEqual(t, summaries[0].From.Address, fmt.Sprintf("from-%d@example.com", i), "\"From\" address does not match")
-		assertEqual(t, summaries[0].To[0].Name, fmt.Sprintf("To %d", i), "\"To\" name does not match")
-		assertEqual(t, summaries[0].To[0].Address, fmt.Sprintf("to-%d@example.com", i), "\"To\" address does not match")
-		assertEqual(t, summaries[0].Subject, fmt.Sprintf("Subject line %d end", i), "\"Subject\" does not match")
-	}
-
-	// search something that will return 200 results
-	summaries, _, err := Search("This is the email body", "", 0, testRuns)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	assertEqual(t, len(summaries), testRuns, "search results expected")
 }
 
 func TestSearchDelete100(t *testing.T) {
-	setup()
-	defer Close()
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
 
-	t.Log("Testing search delete of 100 messages")
-	for i := 0; i < 100; i++ {
-		if _, err := Store(&testTextEmail); err != nil {
+		setup(tenantID)
+
+		if tenantID == "" {
+			t.Log("Testing search delete of 100 messages")
+		} else {
+			t.Logf("Testing search delete of 100 messages (tenant %s)", tenantID)
+		}
+
+		for i := 0; i < 100; i++ {
+			if _, err := Store(&testTextEmail); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+			if _, err := Store(&testMimeEmail); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+		}
+
+		_, total, err := Search("from:sender@example.com", "", 0, 0, 100)
+		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
-		if _, err := Store(&testMimeEmail); err != nil {
+
+		assertEqual(t, total, 100, "100 search results expected")
+
+		if err := DeleteSearch("from:sender@example.com", ""); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
+
+		_, total, err = Search("from:sender@example.com", "", 0, 0, 100)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		assertEqual(t, total, 0, "0 search results expected")
+
+		Close()
 	}
-
-	_, total, err := Search("from:sender@example.com", "", 0, 100)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, total, 100, "100 search results expected")
-
-	if err := DeleteSearch("from:sender@example.com", ""); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	_, total, err = Search("from:sender@example.com", "", 0, 100)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, total, 0, "0 search results expected")
 }
 
 func TestSearchDelete1100(t *testing.T) {
-	setup()
+	setup("")
 	defer Close()
 
 	t.Log("Testing search delete of 1100 messages")
@@ -143,7 +164,7 @@ func TestSearchDelete1100(t *testing.T) {
 		}
 	}
 
-	_, total, err := Search("from:sender@example.com", "", 0, 100)
+	_, total, err := Search("from:sender@example.com", "", 0, 0, 100)
 	if err != nil {
 		t.Log("error ", err)
 		t.Fail()
@@ -156,7 +177,7 @@ func TestSearchDelete1100(t *testing.T) {
 		t.Fail()
 	}
 
-	_, total, err = Search("from:sender@example.com", "", 0, 100)
+	_, total, err = Search("from:sender@example.com", "", 0, 0, 100)
 	if err != nil {
 		t.Log("error ", err)
 		t.Fail()
@@ -180,3 +201,25 @@ func TestEscPercentChar(t *testing.T) {
 		assertEqual(t, res, expected, "no match")
 	}
 }
+
+func TestSizeToBytes(t *testing.T) {
+	tests := map[string]int64{}
+	tests["1m"] = 1048576
+	tests["1mb"] = 1048576
+	tests["1 M"] = 1048576
+	tests["1 MB"] = 1048576
+	tests["1k"] = 1024
+	tests["1kb"] = 1024
+	tests["1 K"] = 1024
+	tests["1 kB"] = 1024
+	tests["1.5M"] = 1572864
+	tests["1234567890"] = 1234567890
+	tests["invalid"] = 0
+	tests["1.2.3"] = 0
+	tests["1.2.3M"] = 0
+
+	for search, expected := range tests {
+		res := sizeToBytes(search)
+		assertEqual(t, res, expected, "size does not match")
+	}
+}

internal/storage/structs.go

@@ -3,8 +3,6 @@ package storage
 import (
 	"net/mail"
 	"time"
-
-	"github.com/jhillyerd/enmime"
 )
 
 // Message data excluding physical attachments
@@ -114,21 +112,6 @@ type DBMailSummary struct {
 	ReplyTo []*mail.Address
 }
 
-// AttachmentSummary returns a summary of the attachment without any binary data
-func AttachmentSummary(a *enmime.Part) Attachment {
-	o := Attachment{}
-	o.PartID = a.PartID
-	o.FileName = a.FileName
-	if o.FileName == "" {
-		o.FileName = a.ContentID
-	}
-	o.ContentType = a.ContentType
-	o.ContentID = a.ContentID
-	o.Size = float64(len(a.Content))
-
-	return o
-}
-
 // ListUnsubscribe contains a summary of List-Unsubscribe & List-Unsubscribe-Post headers
 // including validation of the link structure
 type ListUnsubscribe struct {

internal/storage/tagfilters.go

@@ -13,9 +13,12 @@ import (
 
 // TagFilter struct
 type TagFilter struct {
+	// Match is the user-defined match
 	Match string
-	SQL   *sqlf.Stmt
-	Tags  []string
+	// SQL represents the SQL equivalent of Match
+	SQL *sqlf.Stmt
+	// Tags to add on match
+	Tags []string
 }
 
 var tagFilters = []TagFilter{}

internal/storage/tags.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"database/sql"
+	"fmt"
 	"regexp"
 	"sort"
 	"strings"
@@ -12,6 +13,7 @@ import (
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/tools"
+	"github.com/axllent/mailpit/server/websockets"
 	"github.com/leporo/sqlf"
 )
 
@@ -21,7 +23,7 @@ var (
 )
 
 // SetMessageTags will set the tags for a given database ID, removing any not in the array
-func SetMessageTags(id string, tags []string) error {
+func SetMessageTags(id string, tags []string) ([]string, error) {
 	applyTags := []string{}
 	for _, t := range tags {
 		t = tools.CleanTag(t)
@@ -30,6 +32,7 @@ func SetMessageTags(id string, tags []string) error {
 		}
 	}
 
+	tagNames := []string{}
 	currentTags := getMessageTags(id)
 	origTagCount := len(currentTags)
 
@@ -38,9 +41,12 @@ func SetMessageTags(id string, tags []string) error {
 			continue
 		}
 
-		if err := AddMessageTag(id, t); err != nil {
-			return err
+		name, err := addMessageTag(id, t)
+		if err != nil {
+			return []string{}, err
 		}
+
+		tagNames = append(tagNames, name)
 	}
 
 	if origTagCount > 0 {
@@ -48,43 +54,52 @@ func SetMessageTags(id string, tags []string) error {
 
 		for _, t := range currentTags {
 			if !tools.InArray(t, applyTags) {
-				if err := DeleteMessageTag(id, t); err != nil {
-					return err
+				if err := deleteMessageTag(id, t); err != nil {
+					return []string{}, err
 				}
 			}
 		}
 	}
 
-	return nil
+	d := struct {
+		ID   string
+		Tags []string
+	}{ID: id, Tags: applyTags}
+
+	websockets.Broadcast("update", d)
+
+	return tagNames, nil
 }
 
 // AddMessageTag adds a tag to a message
-func AddMessageTag(id, name string) error {
+func addMessageTag(id, name string) (string, error) {
 	// prevent two identical tags being added at the same time
 	addTagMutex.Lock()
 
 	var tagID int
+	var foundName sql.NullString
 
 	q := sqlf.From(tenant("tags")).
 		Select("ID").To(&tagID).
+		Select("Name").To(&foundName).
 		Where("Name = ?", name)
 
 	// if tag exists - add tag to message
 	if err := q.QueryRowAndClose(context.TODO(), db); err == nil {
 		addTagMutex.Unlock()
 		// check message does not already have this tag
-		var count int
+		var exists int
 
 		if err := sqlf.From(tenant("message_tags")).
-			Select("COUNT(ID)").To(&count).
+			Select("COUNT(ID)").To(&exists).
 			Where("ID = ?", id).
 			Where("TagID = ?", tagID).
 			QueryRowAndClose(context.Background(), db); err != nil {
-			return err
+			return "", err
 		}
-		if count > 0 {
+		if exists > 0 {
 			// already exists
-			return nil
+			return foundName.String, nil
 		}
 
 		logger.Log().Debugf("[tags] adding tag \"%s\" to %s", name, id)
@@ -93,7 +108,8 @@ func AddMessageTag(id, name string) error {
 			Set("ID", id).
 			Set("TagID", tagID).
 			ExecAndClose(context.TODO(), db)
-		return err
+
+		return foundName.String, err
 	}
 
 	// new tag, add to the database
@@ -101,20 +117,20 @@ func AddMessageTag(id, name string) error {
 		Set("Name", name).
 		ExecAndClose(context.TODO(), db); err != nil {
 		addTagMutex.Unlock()
-		return err
+		return name, err
 	}
 
 	addTagMutex.Unlock()
 
 	// add tag to the message
-	return AddMessageTag(id, name)
+	return addMessageTag(id, name)
 }
 
-// DeleteMessageTag deleted a tag from a message
-func DeleteMessageTag(id, name string) error {
+// DeleteMessageTag deletes a tag from a message
+func deleteMessageTag(id, name string) error {
 	if _, err := sqlf.DeleteFrom(tenant("message_tags")).
 		Where(tenant("message_tags.ID")+" = ?", id).
-		Where(tenant("message_tags.Key")+` IN (SELECT Key FROM `+tenant("message_tags")+` LEFT JOIN tags ON `+tenant("TagID")+"="+tenant("tags.ID")+` WHERE Name = ?)`, name).
+		Where(tenant("message_tags.Key")+` IN (SELECT Key FROM `+tenant("message_tags")+` LEFT JOIN `+tenant("tags")+` ON TagID=`+tenant("tags.ID")+` WHERE Name = ?)`, name).
 		ExecAndClose(context.TODO(), db); err != nil {
 		return err
 	}
@@ -166,7 +182,6 @@ func GetAllTagsCount() map[string]int64 {
 		OrderBy("Name").
 		QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
 			tags[name] = total
-			// tags = append(tags, name)
 		}); err != nil {
 		logger.Log().Errorf("[db] %s", err.Error())
 	}
@@ -174,6 +189,79 @@ func GetAllTagsCount() map[string]int64 {
 	return tags
 }
 
+// RenameTag renames a tag
+func RenameTag(from, to string) error {
+	to = tools.CleanTag(to)
+	if to == "" || !config.ValidTagRegexp.MatchString(to) {
+		return fmt.Errorf("invalid tag name: %s", to)
+	}
+
+	if from == to {
+		return nil // ignore
+	}
+
+	var id, existsID int
+
+	q := sqlf.From(tenant("tags")).
+		Select(`ID`).To(&id).
+		Where(`Name = ?`, from).
+		Limit(1)
+	err := q.QueryRowAndClose(context.Background(), db)
+	if err != nil {
+		return fmt.Errorf("tag not found: %s", from)
+	}
+
+	// check if another tag by this name already exists
+	q = sqlf.From(tenant("tags")).
+		Select("ID").To(&existsID).
+		Where(`Name = ?`, to).
+		Where(`ID != ?`, id).
+		Limit(1)
+	err = q.QueryRowAndClose(context.Background(), db)
+	if err == nil || existsID != 0 {
+		return fmt.Errorf("tag already exists: %s", to)
+	}
+
+	q = sqlf.Update(tenant("tags")).
+		Set("Name", to).
+		Where("ID = ?", id)
+	_, err = q.ExecAndClose(context.Background(), db)
+
+	return err
+}
+
+// DeleteTag deleted a tag and removed all references to the tag
+func DeleteTag(tag string) error {
+	var id int
+
+	q := sqlf.From(tenant("tags")).
+		Select(`ID`).To(&id).
+		Where(`Name = ?`, tag).
+		Limit(1)
+	err := q.QueryRowAndClose(context.Background(), db)
+	if err != nil {
+		return fmt.Errorf("tag not found: %s", tag)
+	}
+
+	// delete all references
+	q = sqlf.DeleteFrom(tenant("message_tags")).
+		Where(`TagID = ?`, id)
+	_, err = q.ExecAndClose(context.Background(), db)
+	if err != nil {
+		return fmt.Errorf("error deleting tag references: %s", err.Error())
+	}
+
+	// delete tag
+	q = sqlf.DeleteFrom(tenant("tags")).
+		Where(`ID = ?`, id)
+	_, err = q.ExecAndClose(context.Background(), db)
+	if err != nil {
+		return fmt.Errorf("error deleting tag: %s", err.Error())
+	}
+
+	return nil
+}
+
 // PruneUnusedTags will delete all unused tags from the database
 func pruneUnusedTags() error {
 	q := sqlf.From(tenant("tags")).

internal/storage/tags_test.go

@@ -4,127 +4,140 @@ import (
 	"fmt"
 	"strings"
 	"testing"
+
+	"github.com/axllent/mailpit/config"
 )
 
 func TestTags(t *testing.T) {
-	setup()
-	defer Close()
 
-	t.Log("Testing tags")
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
 
-	ids := []string{}
+		setup(tenantID)
 
-	for i := 0; i < 10; i++ {
+		if tenantID == "" {
+			t.Log("Testing tags")
+		} else {
+			t.Logf("Testing tags (tenant %s)", tenantID)
+		}
+
+		ids := []string{}
+
+		for i := 0; i < 10; i++ {
+			id, err := Store(&testMimeEmail)
+			if err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+			ids = append(ids, id)
+		}
+
+		for i := 0; i < 10; i++ {
+			if _, err := SetMessageTags(ids[i], []string{fmt.Sprintf("Tag-%d", i)}); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+		}
+
+		for i := 0; i < 10; i++ {
+			message, err := GetMessage(ids[i])
+			if err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			if len(message.Tags) != 1 || message.Tags[0] != fmt.Sprintf("Tag-%d", i) {
+				t.Fatal("Message tags do not match")
+			}
+		}
+
+		if err := DeleteAllMessages(); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		// test 20 tags
 		id, err := Store(&testMimeEmail)
 		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
-		ids = append(ids, id)
-	}
-
-	for i := 0; i < 10; i++ {
-		if err := SetMessageTags(ids[i], []string{fmt.Sprintf("Tag-%d", i)}); err != nil {
+		newTags := []string{}
+		for i := 0; i < 20; i++ {
+			// pad number with 0 to ensure they are returned alphabetically
+			newTags = append(newTags, fmt.Sprintf("AnotherTag %02d", i))
+		}
+		if _, err := SetMessageTags(id, newTags); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
-	}
+		returnedTags := getMessageTags(id)
+		assertEqual(t, strings.Join(newTags, "|"), strings.Join(returnedTags, "|"), "Message tags do not match")
 
-	for i := 0; i < 10; i++ {
-		message, err := GetMessage(ids[i])
+		// remove first tag
+		if err := deleteMessageTag(id, newTags[0]); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+		returnedTags = getMessageTags(id)
+		assertEqual(t, strings.Join(newTags[1:], "|"), strings.Join(returnedTags, "|"), "Message tags do not match after deleting 1")
+
+		// remove all tags
+		if err := DeleteAllMessageTags(id); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+		returnedTags = getMessageTags(id)
+		assertEqual(t, "", strings.Join(returnedTags, "|"), "Message tags should be empty")
+
+		// apply the same tag twice
+		if _, err := SetMessageTags(id, []string{"Duplicate Tag", "Duplicate Tag"}); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+		returnedTags = getMessageTags(id)
+		assertEqual(t, "Duplicate Tag", strings.Join(returnedTags, "|"), "Message tags should be duplicated")
+		if err := DeleteAllMessageTags(id); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		// apply tag with invalid characters
+		if _, err := SetMessageTags(id, []string{"Dirty! \"Tag\""}); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+		returnedTags = getMessageTags(id)
+		assertEqual(t, "Dirty Tag", strings.Join(returnedTags, "|"), "Dirty message tag did not clean as expected")
+		if err := DeleteAllMessageTags(id); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		// Check deleted message tags also prune the tags database
+		allTags := GetAllTags()
+		assertEqual(t, "", strings.Join(allTags, "|"), "Tags did not delete as expected")
+
+		if err := DeleteAllMessages(); err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		// test 20 tags
+		id, err = Store(&testTagEmail)
 		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
 
-		if len(message.Tags) != 1 || message.Tags[0] != fmt.Sprintf("Tag-%d", i) {
-			t.Fatal("Message tags do not match")
+		returnedTags = getMessageTags(id)
+		assertEqual(t, "BccTag|CcTag|FromFag|ToTag|X-tag1|X-tag2", strings.Join(returnedTags, "|"), "Tags not detected correctly")
+		if err := DeleteAllMessageTags(id); err != nil {
+			t.Log("error ", err)
+			t.Fail()
 		}
+
+		Close()
 	}
 
-	if err := DeleteAllMessages(); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	// test 20 tags
-	id, err := Store(&testMimeEmail)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	newTags := []string{}
-	for i := 0; i < 20; i++ {
-		// pad number with 0 to ensure they are returned alphabetically
-		newTags = append(newTags, fmt.Sprintf("AnotherTag %02d", i))
-	}
-	if err := SetMessageTags(id, newTags); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	returnedTags := getMessageTags(id)
-	assertEqual(t, strings.Join(newTags, "|"), strings.Join(returnedTags, "|"), "Message tags do not match")
-
-	// remove first tag
-	if err := DeleteMessageTag(id, newTags[0]); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	returnedTags = getMessageTags(id)
-	assertEqual(t, strings.Join(newTags[1:], "|"), strings.Join(returnedTags, "|"), "Message tags do not match after deleting 1")
-
-	// remove all tags
-	if err := DeleteAllMessageTags(id); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	returnedTags = getMessageTags(id)
-	assertEqual(t, "", strings.Join(returnedTags, "|"), "Message tags should be empty")
-
-	// apply the same tag twice
-	if err := SetMessageTags(id, []string{"Duplicate Tag", "Duplicate Tag"}); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	returnedTags = getMessageTags(id)
-	assertEqual(t, "Duplicate Tag", strings.Join(returnedTags, "|"), "Message tags should be duplicated")
-	if err := DeleteAllMessageTags(id); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	// apply tag with invalid characters
-	if err := SetMessageTags(id, []string{"Dirty! \"Tag\""}); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	returnedTags = getMessageTags(id)
-	assertEqual(t, "Dirty Tag", strings.Join(returnedTags, "|"), "Dirty message tag did not clean as expected")
-	if err := DeleteAllMessageTags(id); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	// Check deleted message tags also prune the tags database
-	allTags := GetAllTags()
-	assertEqual(t, "", strings.Join(allTags, "|"), "Tags did not delete as expected")
-
-	if err := DeleteAllMessages(); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	// test 20 tags
-	id, err = Store(&testTagEmail)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	returnedTags = getMessageTags(id)
-	assertEqual(t, "BccTag|CcTag|FromFag|ToTag|X-tag1|X-tag2", strings.Join(returnedTags, "|"), "Tags not detected correctly")
-	if err := DeleteAllMessageTags(id); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
 }

internal/storage/testing.go

@@ -16,10 +16,11 @@ var (
 	testRuns      = 100
 )
 
-func setup() {
+func setup(tenantID string) {
 	logger.NoLogging = true
 	config.MaxMessages = 0
 	config.Database = os.Getenv("MP_DATABASE")
+	config.TenantID = config.DBTenantID(tenantID)
 
 	if err := InitDB(); err != nil {
 		panic(err)

internal/storage/utils.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 
 	"github.com/axllent/mailpit/internal/html2text"
+	"github.com/axllent/mailpit/internal/logger"
 	"github.com/jhillyerd/enmime"
 )
 
@@ -18,6 +19,20 @@ var (
 	StatsDeleted float64
 )
 
+// AddTempFile adds a file to the slice of files to delete on exit
+func AddTempFile(s string) {
+	temporaryFiles = append(temporaryFiles, s)
+}
+
+// DeleteTempFiles will delete files added via AddTempFiles
+func deleteTempFiles() {
+	for _, f := range temporaryFiles {
+		if err := os.Remove(f); err == nil {
+			logger.Log().Debugf("removed temporary file: %s", f)
+		}
+	}
+}
+
 // Return a header field as a []*mail.Address, or "null" is not found/empty
 func addressToSlice(env *enmime.Envelope, key string) []*mail.Address {
 	data, err := env.AddressList(key)

internal/tools/headers.go

@@ -6,6 +6,7 @@ import (
 	"bytes"
 	"net/mail"
 	"regexp"
+	"strings"
 
 	"github.com/axllent/mailpit/internal/logger"
 )
@@ -48,7 +49,7 @@ func RemoveMessageHeaders(msg []byte, headers []string) ([]byte, error) {
 			}
 
 			if len(hdr) > 0 {
-				logger.Log().Debugf("[release] removed %s header", hdr)
+				logger.Log().Debugf("[relay] removed %s header", hdr)
 				msg = bytes.Replace(msg, hdr, []byte(""), 1)
 			}
 		}
@@ -90,10 +91,70 @@ func UpdateMessageHeader(msg []byte, header, value string) ([]byte, error) {
 		}
 
 		if len(hdr) > 0 {
-			logger.Log().Debugf("[release] replaced %s header", hdr)
+			logger.Log().Debugf("[relay] replaced %s header", hdr)
 			msg = bytes.Replace(msg, hdr, []byte(header+": "+value+"\r\n"), 1)
 		}
 	}
 
 	return msg, nil
 }
+
+// OverrideFromHeader scans a message for the From header and replaces it with a different email address.
+func OverrideFromHeader(msg []byte, address string) ([]byte, error) {
+	reader := bytes.NewReader(msg)
+	m, err := mail.ReadMessage(reader)
+	if err != nil {
+		return nil, err
+	}
+
+	if m.Header.Get("From") != "" {
+		reBlank := regexp.MustCompile(`^\s+`)
+		reHdr := regexp.MustCompile(`(?i)^` + regexp.QuoteMeta("From:"))
+
+		scanner := bufio.NewScanner(bytes.NewReader(msg))
+		found := false
+		hdr := []byte("")
+		for scanner.Scan() {
+			line := scanner.Bytes()
+			if !found && reHdr.Match(line) {
+				// add the first line starting with <header>:
+				hdr = append(hdr, line...)
+				hdr = append(hdr, []byte("\r\n")...)
+				found = true
+			} else if found && reBlank.Match(line) {
+				// add any following lines starting with a whitespace (tab or space)
+				hdr = append(hdr, line...)
+				hdr = append(hdr, []byte("\r\n")...)
+			} else if found {
+				// stop scanning, we have the full <header>
+				break
+			}
+		}
+
+		if len(hdr) > 0 {
+			originalFrom := strings.TrimRight(string(hdr[5:]), "\r\n")
+
+			from, err := mail.ParseAddress(originalFrom)
+			if err != nil {
+				// error parsing the from address, so just replace the whole line
+				msg = bytes.Replace(msg, hdr, []byte("From: "+address+"\r\n"), 1)
+			} else {
+				originalFrom = from.Address
+				// replace the from email, but keep the original name
+				from.Address = address
+				msg = bytes.Replace(msg, hdr, []byte("From: "+from.String()+"\r\n"), 1)
+			}
+
+			// insert the original From header as X-Original-From
+			msg = append([]byte("X-Original-From: "+originalFrom+"\r\n"), msg...)
+
+			logger.Log().Debugf("[relay] Replaced From email address with %s", address)
+		}
+	} else {
+		// no From header, so add one
+		msg = append([]byte("From: "+address+"\r\n"), msg...)
+		logger.Log().Debugf("[relay] Added From email: %s", address)
+	}
+
+	return msg, nil
+}

internal/tools/html.go

@@ -17,3 +17,34 @@ func GetHTMLAttributeVal(e *html.Node, key string) (string, error) {
 
 	return "", fmt.Errorf("%s not found", key)
 }
+
+// SetHTMLAttributeVal sets an attribute on a node.
+func SetHTMLAttributeVal(n *html.Node, key, val string) {
+	for i := range n.Attr {
+		a := &n.Attr[i]
+		if a.Key == key {
+			a.Val = val
+			return
+		}
+	}
+	n.Attr = append(n.Attr, html.Attribute{
+		Key: key,
+		Val: val,
+	})
+}
+
+// WalkHTML traverses the entire HTML tree and calls fn on each node.
+func WalkHTML(n *html.Node, fn func(*html.Node)) {
+	if n == nil {
+		return
+	}
+
+	fn(n)
+
+	// Each node has a pointer to its first child and next sibling. To traverse
+	// all children of a node, we need to start from its first child and then
+	// traverse the next sibling until nil.
+	for c := n.FirstChild; c != nil; c = c.NextSibling {
+		WalkHTML(c, fn)
+	}
+}

internal/tools/snippets.go

@@ -26,7 +26,7 @@ func CreateSnippet(text, html string) string {
 			return data
 		}
 
-		return data[0:limit] + "..."
+		return truncate(data, limit) + "..."
 	}
 
 	if text != "" {
@@ -37,8 +37,33 @@ func CreateSnippet(text, html string) string {
 			return text
 		}
 
-		return text[0:limit] + "..."
+		return truncate(text, limit) + "..."
 	}
 
 	return ""
 }
+
+// Truncate a string allowing for multi-byte encoding.
+// Shamelessly borrowed from Tailscale.
+// See https://github.com/tailscale/tailscale/blob/main/util/truncate/truncate.go
+func truncate(s string, n int) string {
+	if n >= len(s) {
+		return s
+	}
+
+	// Back up until we find the beginning of a UTF-8 encoding.
+	for n > 0 && s[n-1]&0xc0 == 0x80 { // 0x10... is a continuation byte
+		n--
+	}
+
+	// If we're at the beginning of a multi-byte encoding, back up one more to
+	// skip it. It's possible the value was already complete, but it's simpler
+	// if we only have to check in one direction.
+	//
+	// Otherwise, we have a single-byte code (0x00... or 0x01...).
+	if n > 0 && s[n-1]&0xc0 == 0xc0 { // 0x11... starts a multibyte encoding
+		n--
+	}
+
+	return s[:n]
+}

internal/tools/unixsocket.go

@@ -0,0 +1,49 @@
+package tools
+
+import (
+	"fmt"
+	"io/fs"
+	"net"
+	"os"
+	"path"
+	"regexp"
+	"strconv"
+)
+
+// UnixSocket returns a path and a FileMode if the address is in
+// the format of unix:<path>:<permission>
+func UnixSocket(address string) (string, fs.FileMode, bool) {
+	re := regexp.MustCompile(`^unix:(.*):(\d\d\d\d?)$`)
+
+	var f fs.FileMode
+
+	if !re.MatchString(address) {
+		return "", f, false
+	}
+
+	m := re.FindAllStringSubmatch(address, 1)
+
+	modeVal, err := strconv.ParseUint(m[0][2], 8, 32)
+
+	if err != nil {
+		return "", f, false
+	}
+
+	return path.Clean(m[0][1]), fs.FileMode(modeVal), true
+}
+
+// PrepareSocket returns an error if an active socket file already exists
+func PrepareSocket(address string) error {
+	address = path.Clean(address)
+	if _, err := os.Stat(address); os.IsNotExist(err) {
+		// does not exist, OK
+		return nil
+	}
+
+	if _, err := net.Dial("unix", address); err == nil {
+		// socket is listening
+		return fmt.Errorf("socket already in use: %s", address)
+	}
+
+	return os.Remove(address)
+}

internal/tools/utils.go

@@ -2,6 +2,7 @@ package tools
 
 import (
 	"fmt"
+	"regexp"
 	"strings"
 )
 
@@ -10,17 +11,28 @@ func Plural(total int, singular, plural string) string {
 	if total == 1 {
 		return fmt.Sprintf("%d %s", total, singular)
 	}
+
 	return fmt.Sprintf("%d %s", total, plural)
 }
 
 // InArray tests if a string is within an array. It is not case sensitive.
 func InArray(k string, arr []string) bool {
-	k = strings.ToLower(k)
 	for _, v := range arr {
-		if strings.ToLower(v) == k {
+		if strings.EqualFold(v, k) {
 			return true
 		}
 	}
 
 	return false
 }
+
+// Normalize will remove any extra spaces, remove newlines, and trim leading and trailing spaces
+func Normalize(s string) string {
+	nlRe := regexp.MustCompile(`\r?\r`)
+	re := regexp.MustCompile(`\s+`)
+
+	s = nlRe.ReplaceAllString(s, " ")
+	s = re.ReplaceAllString(s, " ")
+
+	return strings.TrimSpace(s)
+}

internal/updater/targz.go

@@ -202,7 +202,7 @@ func extract(filePath string, directory string) error {
 		}
 
 		// set file permissions, timestamps & uid/gid
-		_ = os.Chmod(filename, os.FileMode(header.Mode))
+		_ = os.Chmod(filename, os.FileMode(header.Mode)) // #nosec
 		_ = os.Chtimes(filename, header.AccessTime, header.ModTime)
 		_ = os.Chown(filename, header.Uid, header.Gid)
 	}

internal/updater/unzip.go

@@ -35,14 +35,14 @@ func Unzip(src string, dest string) ([]string, error) {
 
 		if f.FileInfo().IsDir() {
 			// Make Folder
-			if err := os.MkdirAll(fpath, os.ModePerm); err != nil {
+			if err := os.MkdirAll(fpath, os.ModePerm); /* #nosec */ err != nil {
 				return filenames, err
 			}
 			continue
 		}
 
 		// Make File
-		if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
+		if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); /* #nosec */ err != nil {
 			return filenames, err
 		}
 
@@ -71,5 +71,6 @@ func Unzip(src string, dest string) ([]string, error) {
 			return filenames, err
 		}
 	}
+
 	return filenames, nil
 }

internal/updater/updater.go

@@ -23,6 +23,7 @@ var (
 	// AllowPrereleases defines whether pre-releases may be included
 	AllowPrereleases = false
 
+	// temporary directory
 	tempDir string
 )
 
@@ -329,7 +330,7 @@ func getTempDir() string {
 // MkDirIfNotExists will create a directory if it doesn't exist
 func mkDirIfNotExists(path string) error {
 	if !isDir(path) {
-		return os.MkdirAll(path, os.ModePerm)
+		return os.MkdirAll(path, os.ModePerm) // #nosec
 	}
 
 	return nil

main.go

@@ -16,10 +16,11 @@ func main() {
 	}
 
 	// running directly
-	if normalize(filepath.Base(exec)) == normalize(filepath.Base(os.Args[0])) {
+	if normalize(filepath.Base(exec)) == normalize(filepath.Base(os.Args[0])) ||
+		!strings.Contains(filepath.Base(os.Args[0]), "sendmail") {
 		cmd.Execute()
 	} else {
-		// symlinked
+		// symlinked as "*sendmail*"
 		sendmail.Run()
 	}
 }

package.json

@@ -6,7 +6,7 @@
     "build": "MINIFY=true node esbuild.config.mjs",
     "watch": "WATCH=true node esbuild.config.mjs",
     "package": "MINIFY=true node esbuild.config.mjs",
-    "update-caniemail": "wget -O utils/html-check/caniemail-data.json https://www.caniemail.com/api/data.json"
+    "update-caniemail": "wget -O internal/htmlcheck/caniemail-data.json https://www.caniemail.com/api/data.json"
   },
   "dependencies": {
     "axios": "^1.2.1",
@@ -15,6 +15,9 @@
     "bootstrap5-tags": "^1.6.1",
     "color-hash": "^2.0.2",
     "dayjs": "^1.11.10",
+    "dompurify": "^3.1.6",
+    "ical.js": "^2.0.1",
+    "mitt": "^3.0.1",
     "modern-screenshot": "^4.4.30",
     "prismjs": "^1.29.0",
     "rapidoc": "^9.3.4",
@@ -28,7 +31,7 @@
     "@types/bootstrap": "^5.2.7",
     "@types/tinycon": "^0.6.3",
     "@vue/compiler-sfc": "^3.2.37",
-    "esbuild": "^0.20.0",
+    "esbuild": "^0.25.0",
     "esbuild-plugin-vue-next": "^0.1.4",
     "esbuild-sass-plugin": "^3.0.0"
   }

sendmail/cmd/cmd.go

@@ -18,15 +18,15 @@ import (
 	"fmt"
 	"io"
 	"net/mail"
-	"net/smtp"
 	"os"
 	"os/user"
+	"path"
 	"regexp"
 	"strings"
 
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
-	"github.com/reiver/go-telnet"
+	"github.com/mneis/go-telnet"
 	flag "github.com/spf13/pflag"
 )
 
@@ -35,7 +35,6 @@ var (
 	SMTPAddr = "localhost:1025"
 	// FromAddr email address
 	FromAddr string
-
 	// UseB - used to set from `-bs`
 	UseB bool
 	// UseS - used to set from `-bs`
@@ -83,6 +82,9 @@ func Run() {
 	flag.BoolP("long-i", "i", false, "Ignored")
 	flag.BoolP("long-o", "o", false, "Ignored")
 	flag.BoolP("long-t", "t", false, "Ignored")
+	flag.StringP("from-name", "F", "", "Ignored")
+	flag.StringP("bits", "B", "", "Ignored")
+	flag.StringP("errors", "e", "", "Ignored")
 
 	// set the default help
 	flag.Usage = func() {
@@ -114,14 +116,23 @@ func Run() {
 		os.Exit(1)
 	}
 
+	socketAddr, isSocket := socketAddress(SMTPAddr)
+
 	// handles `sendmail -bs`
+	// telnet directly to SMTP
 	if UseB && UseS {
 		var caller telnet.Caller = telnet.StandardCaller
 
-		// telnet directly to SMTP
-		if err := telnet.DialToAndCall(SMTPAddr, caller); err != nil {
-			fmt.Println(err)
-			os.Exit(1)
+		if isSocket {
+			if err := telnet.DialToAndCallUnix(socketAddr, caller); err != nil {
+				fmt.Println(err)
+				os.Exit(1)
+			}
+		} else {
+			if err := telnet.DialToAndCall(SMTPAddr, caller); err != nil {
+				fmt.Println(err)
+				os.Exit(1)
+			}
 		}
 
 		return
@@ -168,8 +179,7 @@ func Run() {
 		os.Exit(11)
 	}
 
-	err = smtp.SendMail(SMTPAddr, nil, from.Address, addresses, body)
-	if err != nil {
+	if err := Send(SMTPAddr, from.Address, addresses, body); err != nil {
 		fmt.Fprintln(os.Stderr, "error sending mail")
 		logger.Log().Fatal(err)
 	}
@@ -191,5 +201,22 @@ Flags:
   -i          Ignored
   -o          Ignored
   -v          Ignored
+  -F  string  Ignored
+  -B  string  Ignored
+  -e  string  Ignored
 `, config.Version, strings.Join(args, " "), FromAddr)
 }
+
+// SocketAddress returns a path and a FileMode if the address is in
+// the format of unix:<path>
+func socketAddress(address string) (string, bool) {
+	re := regexp.MustCompile(`^unix:(.*)$`)
+
+	if !re.MatchString(address) {
+		return "", false
+	}
+
+	m := re.FindAllStringSubmatch(address, 1)
+
+	return path.Clean(m[0][1]), true
+}

sendmail/cmd/smtp.go

@@ -0,0 +1,71 @@
+// Package cmd is a wrapper library to send mail
+package cmd
+
+import (
+	"fmt"
+	"net"
+	"net/mail"
+	"net/smtp"
+	"os"
+
+	"github.com/axllent/mailpit/internal/logger"
+)
+
+// Send is a wrapper for smtp.SendMail() which also supports sending via unix sockets.
+// Unix sockets must be set as unix:/path/to/socket
+// It does not support authentication.
+func Send(addr string, from string, to []string, msg []byte) error {
+	socketPath, isSocket := socketAddress(addr)
+
+	fromAddress, err := mail.ParseAddress(from)
+	if err != nil {
+		return fmt.Errorf("invalid from address: %s", from)
+	}
+
+	if len(to) == 0 {
+		return fmt.Errorf("no To addresses specified")
+	}
+
+	if !isSocket {
+		return smtp.SendMail(addr, nil, fromAddress.Address, to, msg)
+	}
+
+	conn, err := net.Dial("unix", socketPath)
+	if err != nil {
+		return fmt.Errorf("error connecting to %s", addr)
+	}
+
+	client, err := smtp.NewClient(conn, "")
+	if err != nil {
+		return err
+	}
+
+	// Set the sender
+	if err := client.Mail(fromAddress.Address); err != nil {
+		fmt.Fprintln(os.Stderr, "error sending mail")
+		logger.Log().Fatal(err)
+	}
+
+	// Set the recipient
+	for _, a := range to {
+		if err := client.Rcpt(a); err != nil {
+			return err
+		}
+	}
+
+	wc, err := client.Data()
+	if err != nil {
+		return err
+	}
+
+	_, err = wc.Write(msg)
+	if err != nil {
+		return err
+	}
+	err = wc.Close()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

server/apiv1/api.go

@@ -2,879 +2,16 @@
 package apiv1
 
 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"net/mail"
 	"strconv"
-	"strings"
-	"time"
 
+	"github.com/araddon/dateparse"
 	"github.com/axllent/mailpit/config"
-	"github.com/axllent/mailpit/internal/htmlcheck"
-	"github.com/axllent/mailpit/internal/linkcheck"
 	"github.com/axllent/mailpit/internal/logger"
-	"github.com/axllent/mailpit/internal/spamassassin"
-	"github.com/axllent/mailpit/internal/storage"
-	"github.com/axllent/mailpit/internal/tools"
-	"github.com/axllent/mailpit/server/smtpd"
-	"github.com/gorilla/mux"
-	"github.com/lithammer/shortuuid/v4"
 )
 
-// GetMessages returns a paginated list of messages as JSON
-func GetMessages(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/messages messages GetMessages
-	//
-	// # List messages
-	//
-	// Returns messages from the mailbox ordered from newest to oldest.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: start
-	//	    in: query
-	//	    description: Pagination offset
-	//	    required: false
-	//	    type: integer
-	//	    default: 0
-	//	  + name: limit
-	//	    in: query
-	//	    description: Limit results
-	//	    required: false
-	//	    type: integer
-	//	    default: 50
-	//
-	//	Responses:
-	//		200: MessagesSummaryResponse
-	//		default: ErrorResponse
-	start, limit := getStartLimit(r)
-
-	messages, err := storage.List(start, limit)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	stats := storage.StatsGet()
-
-	var res MessagesSummary
-
-	res.Start = start
-	res.Messages = messages
-	res.Count = float64(len(messages)) // legacy - now undocumented in API specs
-	res.Total = stats.Total
-	res.Unread = stats.Unread
-	res.Tags = stats.Tags
-	res.MessagesCount = stats.Total
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(res); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// Search returns the latest messages as JSON
-func Search(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/search messages MessagesSummary
-	//
-	// # Search messages
-	//
-	// Returns messages matching [a search](https://mailpit.axllent.org/docs/usage/search-filters/), sorted by received date (descending).
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: query
-	//	    in: query
-	//	    description: Search query
-	//	    required: true
-	//	    type: string
-	//	  + name: start
-	//	    in: query
-	//	    description: Pagination offset
-	//	    required: false
-	//	    type: integer
-	//	    default: 0
-	//	  + name: limit
-	//	    in: query
-	//	    description: Limit results
-	//	    required: false
-	//	    type: integer
-	//	    default: 50
-	//	  + name: tz
-	//	    in: query
-	//	    description: [Timezone identifier](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) used specifically for `before:` & `after:` searches (eg: "Pacific/Auckland").
-	//	    required: false
-	//	    type: string
-	//
-	//	Responses:
-	//		200: MessagesSummaryResponse
-	//		default: ErrorResponse
-	search := strings.TrimSpace(r.URL.Query().Get("query"))
-	if search == "" {
-		httpError(w, "Error: no search query")
-		return
-	}
-
-	start, limit := getStartLimit(r)
-
-	messages, results, err := storage.Search(search, r.URL.Query().Get("tz"), start, limit)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	stats := storage.StatsGet()
-
-	var res MessagesSummary
-
-	res.Start = start
-	res.Messages = messages
-	res.Count = float64(len(messages)) // legacy - now undocumented in API specs
-	res.Total = stats.Total            // total messages in mailbox
-	res.MessagesCount = float64(results)
-	res.Unread = stats.Unread
-	res.Tags = stats.Tags
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(res); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// DeleteSearch will delete all messages matching a search
-func DeleteSearch(w http.ResponseWriter, r *http.Request) {
-	// swagger:route DELETE /api/v1/search messages DeleteSearch
-	//
-	// # Delete messages by search
-	//
-	// Delete all messages matching [a search](https://mailpit.axllent.org/docs/usage/search-filters/).
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: query
-	//	    in: query
-	//	    description: Search query
-	//	    required: true
-	//	    type: string
-	//	  + name: tz
-	//	    in: query
-	//	    description: [Timezone identifier](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) used specifically for `before:` & `after:` searches (eg: "Pacific/Auckland").
-	//	    required: false
-	//	    type: string
-	//
-	//	Responses:
-	//		200: OKResponse
-	//		default: ErrorResponse
-	search := strings.TrimSpace(r.URL.Query().Get("query"))
-	if search == "" {
-		httpError(w, "Error: no search query")
-		return
-	}
-
-	if err := storage.DeleteSearch(search, r.URL.Query().Get("tz")); err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	w.Header().Add("Content-Type", "text/plain")
-	_, _ = w.Write([]byte("ok"))
-}
-
-// GetMessage (method: GET) returns the Message as JSON
-func GetMessage(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID} message Message
-	//
-	// # Get message summary
-	//
-	// Returns the summary of a message, marking the message as read.
-	//
-	// The ID can be set to `latest` to return the latest message.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Message database ID or "latest"
-	//	    required: true
-	//	    type: string
-	//
-	//	Responses:
-	//		200: Message
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	msg, err := storage.GetMessage(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(msg); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// DownloadAttachment (method: GET) returns the attachment data
-func DownloadAttachment(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/part/{PartID} message Attachment
-	//
-	// # Get message attachment
-	//
-	// This will return the attachment part using the appropriate Content-Type.
-	//
-	//	Produces:
-	//	- application/*
-	//	- image/*
-	//	- text/*
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Message database ID
-	//	    required: true
-	//	    type: string
-	//	  + name: PartID
-	//	    in: path
-	//	    description: Attachment part ID
-	//	    required: true
-	//	    type: string
-	//
-	//	Responses:
-	//		200: BinaryResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-	partID := vars["partID"]
-
-	a, err := storage.GetAttachmentPart(id, partID)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-	fileName := a.FileName
-	if fileName == "" {
-		fileName = a.ContentID
-	}
-
-	w.Header().Add("Content-Type", a.ContentType)
-	w.Header().Set("Content-Disposition", "filename=\""+fileName+"\"")
-	_, _ = w.Write(a.Content)
-}
-
-// GetHeaders (method: GET) returns the message headers as JSON
-func GetHeaders(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/headers message Headers
-	//
-	// # Get message headers
-	//
-	// Returns the message headers as an array.
-	//
-	// The ID can be set to `latest` to return the latest message headers.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Message database ID or "latest"
-	//	    required: true
-	//	    type: string
-	//
-	//	Responses:
-	//	  200: MessageHeaders
-	//	  default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	data, err := storage.GetMessageRaw(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	reader := bytes.NewReader(data)
-	m, err := mail.ReadMessage(reader)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(m.Header); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// DownloadRaw (method: GET) returns the full email source as plain text
-func DownloadRaw(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/raw message Raw
-	//
-	// # Get message source
-	//
-	// Returns the full email source as plain text.
-	//
-	// The ID can be set to `latest` to return the latest message source.
-	//
-	//	Produces:
-	//	- text/plain
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Message database ID or "latest"
-	//	    required: true
-	//	    type: string
-	//
-	//	Responses:
-	//		200: TextResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-	dl := r.FormValue("dl")
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	data, err := storage.GetMessageRaw(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-	if dl == "1" {
-		w.Header().Set("Content-Disposition", "attachment; filename=\""+id+".eml\"")
-	}
-	_, _ = w.Write(data)
-}
-
-// DeleteMessages (method: DELETE) deletes all messages matching IDS.
-func DeleteMessages(w http.ResponseWriter, r *http.Request) {
-	// swagger:route DELETE /api/v1/messages messages DeleteMessages
-	//
-	// # Delete messages
-	//
-	// Delete individual or all messages. If no IDs are provided then all messages are deleted.
-	//
-	//	Consumes:
-	//	- application/json
-	//
-	//	Produces:
-	//	- text/plain
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: OKResponse
-	//		default: ErrorResponse
-
-	decoder := json.NewDecoder(r.Body)
-	var data struct {
-		IDs []string
-	}
-	err := decoder.Decode(&data)
-	if err != nil || len(data.IDs) == 0 {
-		if err := storage.DeleteAllMessages(); err != nil {
-			httpError(w, err.Error())
-			return
-		}
-	} else {
-		if err := storage.DeleteMessages(data.IDs); err != nil {
-			httpError(w, err.Error())
-			return
-		}
-	}
-
-	w.Header().Add("Content-Type", "application/plain")
-	_, _ = w.Write([]byte("ok"))
-}
-
-// SetReadStatus (method: PUT) will update the status to Read/Unread for all provided IDs
-// If no IDs are provided then all messages are updated.
-func SetReadStatus(w http.ResponseWriter, r *http.Request) {
-	// swagger:route PUT /api/v1/messages messages SetReadStatus
-	//
-	// # Set read status
-	//
-	// If no IDs are provided then all messages are updated.
-	//
-	//	Consumes:
-	//	- application/json
-	//
-	//	Produces:
-	//	- text/plain
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: OKResponse
-	//		default: ErrorResponse
-
-	decoder := json.NewDecoder(r.Body)
-
-	var data struct {
-		Read bool
-		IDs  []string
-	}
-
-	err := decoder.Decode(&data)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	ids := data.IDs
-
-	if len(ids) == 0 {
-		if data.Read {
-			err := storage.MarkAllRead()
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		} else {
-			err := storage.MarkAllUnread()
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		}
-	} else {
-		if data.Read {
-			for _, id := range ids {
-				if err := storage.MarkRead(id); err != nil {
-					httpError(w, err.Error())
-					return
-				}
-			}
-		} else {
-			for _, id := range ids {
-				if err := storage.MarkUnread(id); err != nil {
-					httpError(w, err.Error())
-					return
-				}
-			}
-		}
-	}
-
-	w.Header().Add("Content-Type", "text/plain")
-	_, _ = w.Write([]byte("ok"))
-}
-
-// GetAllTags (method: GET) will get all tags currently in use
-func GetAllTags(w http.ResponseWriter, _ *http.Request) {
-	// swagger:route GET /api/v1/tags tags GetAllTags
-	//
-	// # Get all current tags
-	//
-	// Returns a JSON array of all unique message tags.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: ArrayResponse
-	//		default: ErrorResponse
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(storage.GetAllTags()); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// SetMessageTags (method: PUT) will set the tags for all provided IDs
-func SetMessageTags(w http.ResponseWriter, r *http.Request) {
-	// swagger:route PUT /api/v1/tags tags SetTags
-	//
-	// # Set message tags
-	//
-	// This will overwrite any existing tags for selected message database IDs. To remove all tags from a message, pass an empty tags array.
-	//
-	//	Consumes:
-	//	- application/json
-	//
-	//	Produces:
-	//	- text/plain
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: OKResponse
-	//		default: ErrorResponse
-
-	decoder := json.NewDecoder(r.Body)
-
-	var data struct {
-		Tags []string
-		IDs  []string
-	}
-
-	err := decoder.Decode(&data)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	ids := data.IDs
-
-	if len(ids) > 0 {
-		for _, id := range ids {
-			if err := storage.SetMessageTags(id, data.Tags); err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		}
-	}
-
-	w.Header().Add("Content-Type", "text/plain")
-	_, _ = w.Write([]byte("ok"))
-}
-
-// ReleaseMessage (method: POST) will release a message via a pre-configured external SMTP server.
-func ReleaseMessage(w http.ResponseWriter, r *http.Request) {
-	// swagger:route POST /api/v1/message/{ID}/release message ReleaseMessage
-	//
-	// # Release message
-	//
-	// Release a message via a pre-configured external SMTP server. This is only enabled if message relaying has been configured.
-	//
-	//	Consumes:
-	//	- application/json
-	//
-	//	Produces:
-	//	- text/plain
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: OKResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-
-	msg, err := storage.GetMessageRaw(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	decoder := json.NewDecoder(r.Body)
-
-	data := releaseMessageRequestBody{}
-
-	if err := decoder.Decode(&data); err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	for _, to := range data.To {
-		address, err := mail.ParseAddress(to)
-
-		if err != nil {
-			httpError(w, "Invalid email address: "+to)
-			return
-		}
-
-		if config.SMTPRelayConfig.AllowedRecipientsRegexp != nil && !config.SMTPRelayConfig.AllowedRecipientsRegexp.MatchString(address.Address) {
-			httpError(w, "Mail address does not match allowlist: "+to)
-			return
-		}
-	}
-
-	if len(data.To) == 0 {
-		httpError(w, "No valid addresses found")
-		return
-	}
-
-	reader := bytes.NewReader(msg)
-	m, err := mail.ReadMessage(reader)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	fromAddresses, err := m.Header.AddressList("From")
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	if len(fromAddresses) == 0 {
-		httpError(w, "No From header found")
-		return
-	}
-
-	from := fromAddresses[0].Address
-
-	// if sender is used, then change from to the sender
-	if senders, err := m.Header.AddressList("Sender"); err == nil {
-		from = senders[0].Address
-	}
-
-	msg, err = tools.RemoveMessageHeaders(msg, []string{"Bcc"})
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	// set the Return-Path and SMTP mfrom
-	if config.SMTPRelayConfig.ReturnPath != "" {
-		if m.Header.Get("Return-Path") != "<"+config.SMTPRelayConfig.ReturnPath+">" {
-			msg, err = tools.RemoveMessageHeaders(msg, []string{"Return-Path"})
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-			msg = append([]byte("Return-Path: <"+config.SMTPRelayConfig.ReturnPath+">\r\n"), msg...)
-		}
-
-		from = config.SMTPRelayConfig.ReturnPath
-	}
-
-	// update message date
-	msg, err = tools.UpdateMessageHeader(msg, "Date", time.Now().Format(time.RFC1123Z))
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	// generate unique ID
-	uid := shortuuid.New() + "@mailpit"
-	// update Message-Id with unique ID
-	msg, err = tools.UpdateMessageHeader(msg, "Message-Id", "<"+uid+">")
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	if err := smtpd.Send(from, data.To, msg); err != nil {
-		logger.Log().Errorf("[smtp] error sending message: %s", err.Error())
-		httpError(w, "SMTP error: "+err.Error())
-		return
-	}
-
-	w.Header().Add("Content-Type", "text/plain")
-	_, _ = w.Write([]byte("ok"))
-}
-
-// HTMLCheck returns a summary of the HTML client support
-func HTMLCheck(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/html-check Other HTMLCheck
-	//
-	// # HTML check
-	//
-	// Returns the summary of the message HTML checker.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: HTMLCheckResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	msg, err := storage.GetMessage(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	if msg.HTML == "" {
-		httpError(w, "message does not contain HTML")
-		return
-	}
-
-	checks, err := htmlcheck.RunTests(msg.HTML)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(checks); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// LinkCheck returns a summary of links in the email
-func LinkCheck(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/link-check Other LinkCheck
-	//
-	// # Link check
-	//
-	// Returns the summary of the message Link checker.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: LinkCheckResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	msg, err := storage.GetMessage(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	f := r.URL.Query().Get("follow")
-	followRedirects := f == "true" || f == "1"
-
-	summary, err := linkcheck.RunTests(msg, followRedirects)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(summary); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
-// SpamAssassinCheck returns a summary of SpamAssassin results (if enabled)
-func SpamAssassinCheck(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/sa-check Other SpamAssassinCheck
-	//
-	// # SpamAssassin check
-	//
-	// Returns the SpamAssassin summary (if enabled) of the message.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: SpamAssassinResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	msg, err := storage.GetMessageRaw(id)
-	if err != nil {
-		fourOFour(w)
-		return
-	}
-
-	summary, err := spamassassin.Check(msg)
-	if err != nil {
-		httpError(w, err.Error())
-		return
-	}
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(summary); err != nil {
-		httpError(w, err.Error())
-	}
-}
-
 // FourOFour returns a basic 404 message
 func fourOFour(w http.ResponseWriter) {
 	w.Header().Set("Referrer-Policy", "no-referrer")
@@ -909,9 +46,10 @@ func httpJSONError(w http.ResponseWriter, msg string) {
 }
 
 // Get the start and limit based on query params. Defaults to 0, 50
-func getStartLimit(req *http.Request) (start int, limit int) {
+func getStartLimit(req *http.Request) (start int, beforeTS int64, limit int) {
 	start = 0
 	limit = 50
+	beforeTS = 0 // timestamp
 
 	s := req.URL.Query().Get("start")
 	if n, err := strconv.Atoi(s); err == nil && n > 0 {
@@ -923,7 +61,17 @@ func getStartLimit(req *http.Request) (start int, limit int) {
 		limit = n
 	}
 
-	return start, limit
+	b := req.URL.Query().Get("before")
+	if b != "" {
+		t, err := dateparse.ParseLocal(b)
+		if err != nil {
+			logger.Log().Warnf("ignoring invalid before: date \"%s\"", b)
+		} else {
+			beforeTS = t.UnixMilli()
+		}
+	}
+
+	return start, beforeTS, limit
 }
 
 // GetOptions returns a blank response

server/apiv1/application.go

@@ -6,12 +6,48 @@ import (
 	"net/http"
 
 	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/smtpd/chaos"
+	"github.com/axllent/mailpit/internal/stats"
 )
 
+// Application information
+// swagger:response AppInfoResponse
+type appInfoResponse struct {
+	// Application information
+	//
+	// in: body
+	Body stats.AppInformation
+}
+
+// AppInfo returns some basic details about the running app, and latest release.
+func AppInfo(w http.ResponseWriter, _ *http.Request) {
+	// swagger:route GET /api/v1/info application AppInformation
+	//
+	// # Get application information
+	//
+	// Returns basic runtime information, message totals and latest release version.
+	//
+	//	Produces:
+	//	- application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//		200: AppInfoResponse
+	//		400: ErrorResponse
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(stats.Load()); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
 // Response includes global web UI settings
 //
 // swagger:model WebUIConfiguration
 type webUIConfiguration struct {
+	// Optional label to identify this Mailpit instance
+	Label string
 	// Message Relay information
 	MessageRelay struct {
 		// Whether message relaying (release) is enabled
@@ -22,6 +58,10 @@ type webUIConfiguration struct {
 		ReturnPath string
 		// Only allow relaying to these recipients (regex)
 		AllowedRecipients string
+		// Block relaying to these recipients (regex)
+		BlockedRecipients string
+		// Overrides the "From" address for all relayed messages
+		OverrideFrom string
 		// DEPRECATED 2024/03/12
 		// swagger:ignore
 		RecipientAllowlist string
@@ -30,10 +70,22 @@ type webUIConfiguration struct {
 	// Whether SpamAssassin is enabled
 	SpamAssassin bool
 
+	// Whether Chaos support is enabled at runtime
+	ChaosEnabled bool
+
 	// Whether messages with duplicate IDs are ignored
 	DuplicatesIgnored bool
 }
 
+// Web UI configuration response
+// swagger:response WebUIConfigurationResponse
+type webUIConfigurationResponse struct {
+	// Web UI configuration settings
+	//
+	// in: body
+	Body webUIConfiguration
+}
+
 // WebUIConfig returns configuration settings for the web UI.
 func WebUIConfig(w http.ResponseWriter, _ *http.Request) {
 	// swagger:route GET /api/v1/webui application WebUIConfiguration
@@ -44,25 +96,30 @@ func WebUIConfig(w http.ResponseWriter, _ *http.Request) {
 	// Intended for web UI only!
 	//
 	//	Produces:
-	//	- application/json
+	//	 - application/json
 	//
 	//	Schemes: http, https
 	//
 	//	Responses:
-	//		200: WebUIConfigurationResponse
-	//		default: ErrorResponse
+	//	  200: WebUIConfigurationResponse
+	//	  400: ErrorResponse
+
 	conf := webUIConfiguration{}
 
+	conf.Label = config.Label
 	conf.MessageRelay.Enabled = config.ReleaseEnabled
 	if config.ReleaseEnabled {
 		conf.MessageRelay.SMTPServer = fmt.Sprintf("%s:%d", config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
 		conf.MessageRelay.ReturnPath = config.SMTPRelayConfig.ReturnPath
 		conf.MessageRelay.AllowedRecipients = config.SMTPRelayConfig.AllowedRecipients
+		conf.MessageRelay.BlockedRecipients = config.SMTPRelayConfig.BlockedRecipients
+		conf.MessageRelay.OverrideFrom = config.SMTPRelayConfig.OverrideFrom
 		// DEPRECATED 2024/03/12
 		conf.MessageRelay.RecipientAllowlist = config.SMTPRelayConfig.AllowedRecipients
 	}
 
 	conf.SpamAssassin = config.EnableSpamAssassin != ""
+	conf.ChaosEnabled = chaos.Enabled
 	conf.DuplicatesIgnored = config.IgnoreDuplicateIDs
 
 	w.Header().Add("Content-Type", "application/json")

server/apiv1/chaos.go

@@ -0,0 +1,112 @@
+package apiv1
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/axllent/mailpit/internal/smtpd/chaos"
+)
+
+// ChaosTriggers is the Chaos configuration
+//
+// swagger:model Triggers
+type ChaosTriggers chaos.Triggers
+
+// Response for the Chaos triggers configuration
+// swagger:response ChaosResponse
+type chaosResponse struct {
+	// The current Chaos triggers
+	//
+	// in: body
+	Body ChaosTriggers
+}
+
+// GetChaos returns the current Chaos triggers
+func GetChaos(w http.ResponseWriter, _ *http.Request) {
+	// swagger:route GET /api/v1/chaos testing getChaos
+	//
+	// # Get Chaos triggers
+	//
+	// Returns the current Chaos triggers configuration.
+	// This API route will return an error if Chaos is not enabled at runtime.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: ChaosResponse
+	//	  400: ErrorResponse
+
+	if !chaos.Enabled {
+		httpError(w, "Chaos is not enabled")
+		return
+	}
+
+	conf := chaos.Config
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(conf); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters setChaosParams
+type setChaosParams struct {
+	// in: body
+	Body ChaosTriggers
+}
+
+// SetChaos sets the Chaos configuration.
+func SetChaos(w http.ResponseWriter, r *http.Request) {
+	// swagger:route PUT /api/v1/chaos testing setChaosParams
+	//
+	// # Set Chaos triggers
+	//
+	// Set the Chaos triggers configuration and return the updated values.
+	// This API route will return an error if Chaos is not enabled at runtime.
+	//
+	// If any triggers are omitted from the request, then those are reset to their
+	// default values with a 0% probability (ie: disabled).
+	// Setting a blank `{}` will reset all triggers to their default values.
+	//
+	//	Consumes:
+	//	  - application/json
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: ChaosResponse
+	//	  400: ErrorResponse
+
+	if !chaos.Enabled {
+		httpError(w, "Chaos is not enabled")
+		return
+	}
+
+	data := chaos.Triggers{}
+
+	decoder := json.NewDecoder(r.Body)
+
+	err := decoder.Decode(&data)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	if err := chaos.SetFromStruct(data); err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	conf := chaos.Config
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(conf); err != nil {
+		httpError(w, err.Error())
+	}
+}

server/apiv1/info.go

@@ -1,31 +0,0 @@
-package apiv1
-
-import (
-	"encoding/json"
-	"net/http"
-
-	"github.com/axllent/mailpit/internal/stats"
-)
-
-// AppInfo returns some basic details about the running app, and latest release.
-func AppInfo(w http.ResponseWriter, _ *http.Request) {
-	// swagger:route GET /api/v1/info application AppInformation
-	//
-	// # Get application information
-	//
-	// Returns basic runtime information, message totals and latest release version.
-	//
-	//	Produces:
-	//	- application/json
-	//
-	//	Schemes: http, https
-	//
-	//	Responses:
-	//		200: InfoResponse
-	//		default: ErrorResponse
-
-	w.Header().Add("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(stats.Load()); err != nil {
-		httpError(w, err.Error())
-	}
-}

server/apiv1/message.go

@@ -0,0 +1,257 @@
+package apiv1
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/mail"
+
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/gorilla/mux"
+)
+
+// swagger:parameters GetMessageParams
+type getMessageParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+}
+
+// GetMessage (method: GET) returns the Message as JSON
+func GetMessage(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID} message GetMessageParams
+	//
+	// # Get message summary
+	//
+	// Returns the summary of a message, marking the message as read.
+	//
+	// The ID can be set to `latest` to return the latest message.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: Message
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	msg, err := storage.GetMessage(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(msg); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters GetHeadersParams
+type getHeadersParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+}
+
+// Message headers
+// swagger:model MessageHeadersResponse
+type messageHeaders map[string][]string
+
+// GetHeaders (method: GET) returns the message headers as JSON
+func GetHeaders(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID}/headers message GetHeadersParams
+	//
+	// # Get message headers
+	//
+	// Returns the message headers as an array. Note that header keys are returned alphabetically.
+	//
+	// The ID can be set to `latest` to return the latest message headers.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: MessageHeadersResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	data, err := storage.GetMessageRaw(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	reader := bytes.NewReader(data)
+	m, err := mail.ReadMessage(reader)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(m.Header); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters AttachmentParams
+type attachmentParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+
+	// Attachment part ID
+	//
+	// in: path
+	// required: true
+	PartID string
+}
+
+// DownloadAttachment (method: GET) returns the attachment data
+func DownloadAttachment(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID}/part/{PartID} message AttachmentParams
+	//
+	// # Get message attachment
+	//
+	// This will return the attachment part using the appropriate Content-Type.
+	//
+	// The ID can be set to `latest` to reference the latest message.
+	//
+	//	Produces:
+	//	  - application/*
+	//	  - image/*
+	//	  - text/*
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: BinaryResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+	partID := vars["partID"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	a, err := storage.GetAttachmentPart(id, partID)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+	fileName := a.FileName
+	if fileName == "" {
+		fileName = a.ContentID
+	}
+
+	w.Header().Add("Content-Type", a.ContentType)
+	w.Header().Set("Content-Disposition", "filename=\""+fileName+"\"")
+	_, _ = w.Write(a.Content)
+}
+
+// swagger:parameters DownloadRawParams
+type downloadRawParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+}
+
+// DownloadRaw (method: GET) returns the full email source as plain text
+func DownloadRaw(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID}/raw message DownloadRawParams
+	//
+	// # Get message source
+	//
+	// Returns the full email source as plain text.
+	//
+	// The ID can be set to `latest` to return the latest message source.
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: TextResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+	dl := r.FormValue("dl")
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	data, err := storage.GetMessageRaw(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+	if dl == "1" {
+		w.Header().Set("Content-Disposition", "attachment; filename=\""+id+".eml\"")
+	}
+	_, _ = w.Write(data)
+}

server/apiv1/messages.go

@@ -0,0 +1,382 @@
+package apiv1
+
+import (
+	"encoding/json"
+	"net/http"
+	"strings"
+
+	"github.com/axllent/mailpit/internal/storage"
+)
+
+// swagger:parameters GetMessagesParams
+type getMessagesParams struct {
+	// Pagination offset
+	//
+	// in: query
+	// name: start
+	// required: false
+	// default: 0
+	// type: integer
+	Start int `json:"start"`
+
+	// Limit number of results
+	//
+	// in: query
+	// name: limit
+	// required: false
+	// default: 50
+	// type: integer
+	Limit int `json:"limit"`
+}
+
+// Summary of messages
+// swagger:response MessagesSummaryResponse
+type messagesSummaryResponse struct {
+	// The messages summary
+	// in: body
+	Body MessagesSummary
+}
+
+// MessagesSummary is a summary of a list of messages
+type MessagesSummary struct {
+	// Total number of messages in mailbox
+	Total float64 `json:"total"`
+
+	// Total number of unread messages in mailbox
+	Unread float64 `json:"unread"`
+
+	// Legacy - now undocumented in API specs but left for backwards compatibility.
+	// Removed from API documentation 2023-07-12
+	// swagger:ignore
+	Count float64 `json:"count"`
+
+	// Total number of messages matching current query
+	MessagesCount float64 `json:"messages_count"`
+
+	// Pagination offset
+	Start int `json:"start"`
+
+	// All current tags
+	Tags []string `json:"tags"`
+
+	// Messages summary
+	// in: body
+	Messages []storage.MessageSummary `json:"messages"`
+}
+
+// GetMessages returns a paginated list of messages as JSON
+func GetMessages(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/messages messages GetMessagesParams
+	//
+	// # List messages
+	//
+	// Returns messages from the mailbox ordered from newest to oldest.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: MessagesSummaryResponse
+	//    400: ErrorResponse
+
+	start, beforeTS, limit := getStartLimit(r)
+
+	messages, err := storage.List(start, beforeTS, limit)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	stats := storage.StatsGet()
+
+	var res MessagesSummary
+
+	res.Start = start
+	res.Messages = messages
+	res.Count = float64(len(messages)) // legacy - now undocumented in API specs
+	res.Total = stats.Total
+	res.Unread = stats.Unread
+	res.Tags = stats.Tags
+	res.MessagesCount = stats.Total
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(res); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters SetReadStatusParams
+type setReadStatusParams struct {
+	// in: body
+	Body struct {
+		// Read status
+		//
+		// required: false
+		// default: false
+		// example: true
+		Read bool
+
+		// Array of message database IDs
+		//
+		// required: false
+		// example: ["4oRBnPtCXgAqZniRhzLNmS", "hXayS6wnCgNnt6aFTvmOF6"]
+		IDs []string
+	}
+}
+
+// SetReadStatus (method: PUT) will update the status to Read/Unread for all provided IDs
+// If no IDs are provided then all messages are updated.
+func SetReadStatus(w http.ResponseWriter, r *http.Request) {
+	// swagger:route PUT /api/v1/messages messages SetReadStatusParams
+	//
+	// # Set read status
+	//
+	// If no IDs are provided then all messages are updated.
+	//
+	//	Consumes:
+	//	  - application/json
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+
+	decoder := json.NewDecoder(r.Body)
+
+	var data struct {
+		Read bool
+		IDs  []string
+	}
+
+	err := decoder.Decode(&data)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	ids := data.IDs
+
+	if len(ids) == 0 {
+		if data.Read {
+			err := storage.MarkAllRead()
+			if err != nil {
+				httpError(w, err.Error())
+				return
+			}
+		} else {
+			err := storage.MarkAllUnread()
+			if err != nil {
+				httpError(w, err.Error())
+				return
+			}
+		}
+	} else {
+		if data.Read {
+			for _, id := range ids {
+				if err := storage.MarkRead(id); err != nil {
+					httpError(w, err.Error())
+					return
+				}
+			}
+		} else {
+			for _, id := range ids {
+				if err := storage.MarkUnread(id); err != nil {
+					httpError(w, err.Error())
+					return
+				}
+			}
+		}
+	}
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}
+
+// swagger:parameters DeleteMessagesParams
+type deleteMessagesParams struct {
+	// Delete request
+	// in: body
+	Body struct {
+		// Array of message database IDs
+		//
+		// required: false
+		// example: ["4oRBnPtCXgAqZniRhzLNmS", "hXayS6wnCgNnt6aFTvmOF6"]
+		IDs []string
+	}
+}
+
+// DeleteMessages (method: DELETE) deletes all messages matching IDS.
+func DeleteMessages(w http.ResponseWriter, r *http.Request) {
+	// swagger:route DELETE /api/v1/messages messages DeleteMessagesParams
+	//
+	// # Delete messages
+	//
+	// Delete individual or all messages. If no IDs are provided then all messages are deleted.
+	//
+	//	Consumes:
+	//	  - application/json
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+
+	decoder := json.NewDecoder(r.Body)
+	var data struct {
+		IDs []string
+	}
+	err := decoder.Decode(&data)
+	if err != nil || len(data.IDs) == 0 {
+		if err := storage.DeleteAllMessages(); err != nil {
+			httpError(w, err.Error())
+			return
+		}
+	} else {
+		if err := storage.DeleteMessages(data.IDs); err != nil {
+			httpError(w, err.Error())
+			return
+		}
+	}
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}
+
+// swagger:parameters SearchParams
+type searchParams struct {
+	// Search query
+	//
+	// in: query
+	// required: true
+	// type: string
+	Query string `json:"query"`
+
+	// Pagination offset
+	//
+	// in: query
+	// required: false
+	// type integer
+	Start string `json:"start"`
+
+	// Limit results
+	//
+	// in: query
+	// required: false
+	// type integer
+	Limit string `json:"limit"`
+
+	// [Timezone identifier](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) used only for `before:` & `after:` searches (eg: "Pacific/Auckland").
+	//
+	// in: query
+	// required: false
+	// type string
+	TZ string `json:"tz"`
+}
+
+// Search returns the latest messages as JSON
+func Search(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/search messages SearchParams
+	//
+	// # Search messages
+	//
+	// Returns messages matching [a search](https://mailpit.axllent.org/docs/usage/search-filters/), sorted by received date (descending).
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: MessagesSummaryResponse
+	//    400: ErrorResponse
+
+	search := strings.TrimSpace(r.URL.Query().Get("query"))
+	if search == "" {
+		httpError(w, "Error: no search query")
+		return
+	}
+
+	start, beforeTS, limit := getStartLimit(r)
+
+	messages, results, err := storage.Search(search, r.URL.Query().Get("tz"), start, beforeTS, limit)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	stats := storage.StatsGet()
+
+	var res MessagesSummary
+
+	res.Start = start
+	res.Messages = messages
+	res.Count = float64(len(messages)) // legacy - now undocumented in API specs
+	res.Total = stats.Total            // total messages in mailbox
+	res.MessagesCount = float64(results)
+	res.Unread = stats.Unread
+	res.Tags = stats.Tags
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(res); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters DeleteSearchParams
+type deleteSearchParams struct {
+	// Search query
+	//
+	// in: query
+	// required: true
+	// type: string
+	Query string `json:"query"`
+
+	// [Timezone identifier](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) used only for `before:` & `after:` searches (eg: "Pacific/Auckland").
+	//
+	// in: query
+	// required: false
+	// type string
+	TZ string `json:"tz"`
+}
+
+// DeleteSearch will delete all messages matching a search
+func DeleteSearch(w http.ResponseWriter, r *http.Request) {
+	// swagger:route DELETE /api/v1/search messages DeleteSearchParams
+	//
+	// # Delete messages by search
+	//
+	// Delete all messages matching [a search](https://mailpit.axllent.org/docs/usage/search-filters/).
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+
+	search := strings.TrimSpace(r.URL.Query().Get("query"))
+	if search == "" {
+		httpError(w, "Error: no search query")
+		return
+	}
+
+	if err := storage.DeleteSearch(search, r.URL.Query().Get("tz")); err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}

server/apiv1/other.go

@@ -0,0 +1,234 @@
+package apiv1
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/htmlcheck"
+	"github.com/axllent/mailpit/internal/linkcheck"
+	"github.com/axllent/mailpit/internal/spamassassin"
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/gorilla/mux"
+	"github.com/jhillyerd/enmime"
+)
+
+// swagger:parameters HTMLCheckParams
+type htmlCheckParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// description: Message database ID or "latest"
+	// required: true
+	ID string
+}
+
+// HTMLCheckResponse summary response
+type HTMLCheckResponse = htmlcheck.Response
+
+// HTMLCheck returns a summary of the HTML client support
+func HTMLCheck(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID}/html-check other HTMLCheckParams
+	//
+	// # HTML check
+	//
+	// Returns the summary of the message HTML checker.
+	//
+	// The ID can be set to `latest` to return the latest message.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: HTMLCheckResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	vars := mux.Vars(r)
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			fourOFour(w)
+			return
+		}
+	}
+
+	raw, err := storage.GetMessageRaw(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	e := bytes.NewReader(raw)
+
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
+	msg, err := parser.ReadEnvelope(e)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	if msg.HTML == "" {
+		httpError(w, "message does not contain HTML")
+		return
+	}
+
+	checks, err := htmlcheck.RunTests(msg.HTML)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(checks); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters LinkCheckParams
+type linkCheckParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+
+	// Follow redirects
+	//
+	// in: query
+	// required: false
+	// default: false
+	Follow string `json:"follow"`
+}
+
+// LinkCheckResponse summary response
+type LinkCheckResponse = linkcheck.Response
+
+// LinkCheck returns a summary of links in the email
+func LinkCheck(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID}/link-check other LinkCheckParams
+	//
+	// # Link check
+	//
+	// Returns the summary of the message Link checker.
+	//
+	// The ID can be set to `latest` to return the latest message.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: LinkCheckResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	if config.DemoMode {
+		httpError(w, "this functionality has been disabled for demonstration purposes")
+		return
+	}
+
+	vars := mux.Vars(r)
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			fourOFour(w)
+			return
+		}
+	}
+
+	msg, err := storage.GetMessage(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	f := r.URL.Query().Get("follow")
+	followRedirects := f == "true" || f == "1"
+
+	summary, err := linkcheck.RunTests(msg, followRedirects)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(summary); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters SpamAssassinCheckParams
+type spamAssassinCheckParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+}
+
+// SpamAssassinResponse summary response
+type SpamAssassinResponse = spamassassin.Result
+
+// SpamAssassinCheck returns a summary of SpamAssassin results (if enabled)
+func SpamAssassinCheck(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/message/{ID}/sa-check other SpamAssassinCheckParams
+	//
+	// # SpamAssassin check
+	//
+	// Returns the SpamAssassin summary (if enabled) of the message.
+	//
+	// The ID can be set to `latest` to return the latest message.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: SpamAssassinResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	vars := mux.Vars(r)
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	msg, err := storage.GetMessageRaw(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	summary, err := spamassassin.Check(msg)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(summary); err != nil {
+		httpError(w, err.Error())
+	}
+}

server/apiv1/release.go

@@ -0,0 +1,196 @@
+package apiv1
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/mail"
+	"strings"
+	"time"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/smtpd"
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/tools"
+	"github.com/gorilla/mux"
+	"github.com/lithammer/shortuuid/v4"
+)
+
+// swagger:parameters ReleaseMessageParams
+type releaseMessageParams struct {
+	// Message database ID
+	//
+	// in: path
+	// description: Message database ID
+	// required: true
+	ID string
+
+	// in: body
+	Body struct {
+		// Array of email addresses to relay the message to
+		//
+		// required: true
+		// example: ["user1@example.com", "user2@example.com"]
+		To []string
+	}
+}
+
+// ReleaseMessage (method: POST) will release a message via a pre-configured external SMTP server.
+func ReleaseMessage(w http.ResponseWriter, r *http.Request) {
+	// swagger:route POST /api/v1/message/{ID}/release message ReleaseMessageParams
+	//
+	// # Release message
+	//
+	// Release a message via a pre-configured external SMTP server. This is only enabled if message relaying has been configured.
+	//
+	// The ID can be set to `latest` to reference the latest message.
+	//
+	//	Consumes:
+	//	  - application/json
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+	//    404: NotFoundResponse
+
+	if config.DemoMode {
+		httpError(w, "this functionality has been disabled for demonstration purposes")
+		return
+	}
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+
+	msg, err := storage.GetMessageRaw(id)
+	if err != nil {
+		fourOFour(w)
+		return
+	}
+
+	decoder := json.NewDecoder(r.Body)
+
+	var data struct {
+		To []string
+	}
+
+	if err := decoder.Decode(&data); err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	blocked := []string{}
+	notAllowed := []string{}
+
+	for _, to := range data.To {
+		address, err := mail.ParseAddress(to)
+
+		if err != nil {
+			httpError(w, "Invalid email address: "+to)
+			return
+		}
+
+		if config.SMTPRelayConfig.AllowedRecipientsRegexp != nil && !config.SMTPRelayConfig.AllowedRecipientsRegexp.MatchString(address.Address) {
+			notAllowed = append(notAllowed, to)
+			continue
+		}
+
+		if config.SMTPRelayConfig.BlockedRecipientsRegexp != nil && config.SMTPRelayConfig.BlockedRecipientsRegexp.MatchString(address.Address) {
+			blocked = append(blocked, to)
+			continue
+		}
+	}
+
+	if len(notAllowed) > 0 {
+		addr := tools.Plural(len(notAllowed), "Address", "Addresses")
+		httpError(w, "Failed: "+addr+" do not match the allowlist: "+strings.Join(notAllowed, ", "))
+		return
+	}
+
+	if len(blocked) > 0 {
+		addr := tools.Plural(len(blocked), "Address", "Addresses")
+		httpError(w, "Failed: "+addr+" found on blocklist: "+strings.Join(blocked, ", "))
+		return
+	}
+
+	if len(data.To) == 0 {
+		httpError(w, "No valid addresses found")
+		return
+	}
+
+	reader := bytes.NewReader(msg)
+	m, err := mail.ReadMessage(reader)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	fromAddresses, err := m.Header.AddressList("From")
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	if len(fromAddresses) == 0 {
+		httpError(w, "No From header found")
+		return
+	}
+
+	from := fromAddresses[0].Address
+
+	// if sender is used, then change from to the sender
+	if senders, err := m.Header.AddressList("Sender"); err == nil {
+		from = senders[0].Address
+	}
+
+	msg, err = tools.RemoveMessageHeaders(msg, []string{"Bcc"})
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	// set the Return-Path and SMTP from
+	if config.SMTPRelayConfig.ReturnPath != "" {
+		if m.Header.Get("Return-Path") != "<"+config.SMTPRelayConfig.ReturnPath+">" {
+			msg, err = tools.RemoveMessageHeaders(msg, []string{"Return-Path"})
+			if err != nil {
+				httpError(w, err.Error())
+				return
+			}
+			msg = append([]byte("Return-Path: <"+config.SMTPRelayConfig.ReturnPath+">\r\n"), msg...)
+		}
+
+		from = config.SMTPRelayConfig.ReturnPath
+	}
+
+	// update message date
+	msg, err = tools.UpdateMessageHeader(msg, "Date", time.Now().Format(time.RFC1123Z))
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	// generate unique ID
+	uid := shortuuid.New() + "@mailpit"
+	// update Message-Id with unique ID
+	msg, err = tools.UpdateMessageHeader(msg, "Message-Id", "<"+uid+">")
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	if err := smtpd.Relay(from, data.To, msg); err != nil {
+		logger.Log().Errorf("[smtp] error sending message: %s", err.Error())
+		httpError(w, "SMTP error: "+err.Error())
+		return
+	}
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}

server/apiv1/send.go

@@ -11,12 +11,13 @@ import (
 	"net/mail"
 	"strings"
 
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/smtpd"
 	"github.com/axllent/mailpit/internal/tools"
-	"github.com/axllent/mailpit/server/smtpd"
 	"github.com/jhillyerd/enmime"
 )
 
-// swagger:parameters SendMessage
+// swagger:parameters SendMessageParams
 type sendMessageParams struct {
 	// in: body
 	Body *SendRequest
@@ -79,23 +80,33 @@ type SendRequest struct {
 	Subject string
 
 	// Message body (text)
-	// example: This is the text body
+	// example: Mailpit is awesome!
 	Text string
 
 	// Message body (HTML)
-	// example: <p style="font-family: arial">Mailpit is <b>awesome</b>!</p>
+	// example: <div style="text-align:center"><p style="font-family: arial; font-size: 24px;">Mailpit is <b>awesome</b>!</p><p><img src="cid:mailpit-logo" /></p></div>
 	HTML string
 
 	// Attachments
 	Attachments []struct {
 		// Base64-encoded string of the file content
 		// required: true
-		// example: VGhpcyBpcyBhIHBsYWluIHRleHQgYXR0YWNobWVudA==
+		// example: 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
 		Content string
 		// Filename
 		// required: true
-		// example: AttachedFile.txt
+		// example: mailpit.png
 		Filename string
+		// Optional Content Type for the the attachment.
+		// If this field is not set (or empty) then the content type is automatically detected.
+		// required: false
+		// example: image/png
+		ContentType string
+		// Optional Content-ID (`cid`) for attachment.
+		// If this field is set then the file is attached inline.
+		// required: false
+		// example: mailpit-logo
+		ContentID string
 	}
 
 	// Mailpit tags
@@ -107,13 +118,6 @@ type SendRequest struct {
 	Headers map[string]string
 }
 
-// SendMessageConfirmation struct
-type SendMessageConfirmation struct {
-	// Database ID
-	// example: iAfZVVe2UQFNSG5BAjgYwa
-	ID string
-}
-
 // JSONErrorMessage struct
 type JSONErrorMessage struct {
 	// Error message
@@ -121,25 +125,46 @@ type JSONErrorMessage struct {
 	Error string
 }
 
+// Confirmation message for HTTP send API
+// swagger:response sendMessageResponse
+type sendMessageResponse struct {
+	// Response for sending messages via the HTTP API
+	//
+	// in: body
+	Body SendMessageConfirmation
+}
+
+// SendMessageConfirmation struct
+type SendMessageConfirmation struct {
+	// Database ID
+	// example: iAfZVVe2UQfNSG5BAjgYwa
+	ID string
+}
+
 // SendMessageHandler handles HTTP requests to send a new message
 func SendMessageHandler(w http.ResponseWriter, r *http.Request) {
-	// swagger:route POST /api/v1/send message SendMessage
+	// swagger:route POST /api/v1/send message SendMessageParams
 	//
 	// # Send a message
 	//
 	// Send a message via the HTTP API.
 	//
 	//	Consumes:
-	//	- application/json
+	//	  - application/json
 	//
 	//	Produces:
-	//	- application/json
+	//	  - application/json
 	//
 	//	Schemes: http, https
 	//
 	//	Responses:
-	//		200: sendMessageResponse
-	//		default: jsonErrorResponse
+	//	  200: sendMessageResponse
+	//	  400: jsonErrorResponse
+
+	if config.DemoMode {
+		httpJSONError(w, "this functionality has been disabled for demonstration purposes")
+		return
+	}
 
 	decoder := json.NewDecoder(r.Body)
 
@@ -254,9 +279,15 @@ func (d SendRequest) Send(remoteAddr string) (string, error) {
 			if err != nil {
 				return "", fmt.Errorf("error decoding base64 attachment \"%s\": %s", a.Filename, err.Error())
 			}
-
-			mimeType := http.DetectContentType(b)
-			msg = msg.AddAttachment(b, mimeType, a.Filename)
+			contentType := http.DetectContentType(b)
+			if a.ContentType != "" {
+				contentType = a.ContentType
+			}
+			if a.ContentID != "" {
+				msg = msg.AddInline(b, contentType, a.Filename, a.ContentID)
+			} else {
+				msg = msg.AddAttachment(b, contentType, a.Filename)
+			}
 		}
 	}
 
@@ -271,5 +302,5 @@ func (d SendRequest) Send(remoteAddr string) (string, error) {
 		return "", fmt.Errorf("error building message: %s", err.Error())
 	}
 
-	return smtpd.Store(ipAddr, d.From.Email, addresses, buff.Bytes())
+	return smtpd.SaveToDatabase(ipAddr, d.From.Email, addresses, buff.Bytes())
 }

server/apiv1/structs.go

@@ -1,39 +1,9 @@
 package apiv1
 
 import (
-	"github.com/axllent/mailpit/internal/htmlcheck"
-	"github.com/axllent/mailpit/internal/linkcheck"
-	"github.com/axllent/mailpit/internal/spamassassin"
 	"github.com/axllent/mailpit/internal/storage"
 )
 
-// MessagesSummary is a summary of a list of messages
-type MessagesSummary struct {
-	// Total number of messages in mailbox
-	Total float64 `json:"total"`
-
-	// Total number of unread messages in mailbox
-	Unread float64 `json:"unread"`
-
-	// Legacy - now undocumented in API specs but left for backwards compatibility.
-	// Removed from API documentation 2023-07-12
-	// swagger:ignore
-	Count float64 `json:"count"`
-
-	// Total number of messages matching current query
-	MessagesCount float64 `json:"messages_count"`
-
-	// Pagination offset
-	Start int `json:"start"`
-
-	// All current tags
-	Tags []string `json:"tags"`
-
-	// Messages summary
-	// in: body
-	Messages []storage.MessageSummary `json:"messages"`
-}
-
 // The following structs & aliases are provided for easy import
 // and understanding of the JSON structure.
 
@@ -45,12 +15,3 @@ type Message = storage.Message
 
 // Attachment summary
 type Attachment = storage.Attachment
-
-// HTMLCheckResponse summary
-type HTMLCheckResponse = htmlcheck.Response
-
-// LinkCheckResponse summary
-type LinkCheckResponse = linkcheck.Response
-
-// SpamAssassinResponse summary
-type SpamAssassinResponse = spamassassin.Result

server/apiv1/swagger.go

@@ -1,161 +1,8 @@
 package apiv1
 
-import "github.com/axllent/mailpit/internal/stats"
-
 // These structs are for the purpose of defining swagger HTTP parameters & responses
 
-// Application information
-// swagger:response InfoResponse
-type infoResponse struct {
-	// Application information
-	//
-	// in: body
-	Body stats.AppInformation
-}
-
-// Web UI configuration
-// swagger:response WebUIConfigurationResponse
-type webUIConfigurationResponse struct {
-	// Web UI configuration settings
-	//
-	// in: body
-	Body webUIConfiguration
-}
-
-// Message summary
-// swagger:response MessagesSummaryResponse
-type messagesSummaryResponse struct {
-	// The message summary
-	// in: body
-	Body MessagesSummary
-}
-
-// Message headers
-// swagger:model MessageHeaders
-type messageHeaders map[string][]string
-
-// swagger:parameters DeleteMessages
-type deleteMessagesParams struct {
-	// in: body
-	Body *deleteMessagesRequestBody
-}
-
-// Delete request
-// swagger:model DeleteRequest
-type deleteMessagesRequestBody struct {
-	// Array of message database IDs
-	//
-	// required: false
-	// example: ["5dec4247-812e-4b77-9101-e25ad406e9ea", "8ac66bbc-2d9a-4c41-ad99-00aa75fa674e"]
-	IDs []string
-}
-
-// swagger:parameters SetReadStatus
-type setReadStatusParams struct {
-	// in: body
-	Body *setReadStatusRequestBody
-}
-
-// Set read status request
-// swagger:model setReadStatusRequestBody
-type setReadStatusRequestBody struct {
-	// Read status
-	//
-	// required: false
-	// default: false
-	// example: true
-	Read bool
-
-	// Array of message database IDs
-	//
-	// required: false
-	// example: ["5dec4247-812e-4b77-9101-e25ad406e9ea", "8ac66bbc-2d9a-4c41-ad99-00aa75fa674e"]
-	IDs []string
-}
-
-// swagger:parameters SetTags
-type setTagsParams struct {
-	// in: body
-	Body *setTagsRequestBody
-}
-
-// Set tags request
-// swagger:model setTagsRequestBody
-type setTagsRequestBody struct {
-	// Array of tag names to set
-	//
-	// required: true
-	// example: ["Tag 1", "Tag 2"]
-	Tags []string
-
-	// Array of message database IDs
-	//
-	// required: true
-	// example: ["5dec4247-812e-4b77-9101-e25ad406e9ea", "8ac66bbc-2d9a-4c41-ad99-00aa75fa674e"]
-	IDs []string
-}
-
-// swagger:parameters ReleaseMessage
-type releaseMessageParams struct {
-	// Message database ID
-	//
-	// in: path
-	// description: Message database ID
-	// required: true
-	ID string
-
-	// in: body
-	Body *releaseMessageRequestBody
-}
-
-// Release request
-// swagger:model releaseMessageRequestBody
-type releaseMessageRequestBody struct {
-	// Array of email addresses to relay the message to
-	// required: true
-	// example: ["user1@example.com", "user2@example.com"]
-	To []string
-}
-
-// swagger:parameters HTMLCheck
-type htmlCheckParams struct {
-	// Message database ID or "latest"
-	//
-	// in: path
-	// description: Message database ID or "latest"
-	// required: true
-	ID string
-}
-
-// swagger:parameters LinkCheck
-type linkCheckParams struct {
-	// Message database ID or "latest"
-	//
-	// in: path
-	// description: Message database ID or "latest"
-	// required: true
-	ID string
-
-	// Follow redirects
-	//
-	// in: query
-	// description: Follow redirects
-	// required: false
-	// default: false
-	Follow string `json:"follow"`
-}
-
-// swagger:parameters SpamAssassinCheck
-type spamAssassinCheckParams struct {
-	// Message database ID or "latest"
-	//
-	// in: path
-	// description: Message database ID or "latest"
-	// required: true
-	ID string
-}
-
-// Binary data response inherits the attachment's content type.
+// Binary data response which inherits the attachment's content type.
 // swagger:response BinaryResponse
 type binaryResponse string
 
@@ -167,11 +14,15 @@ type textResponse string
 // swagger:response HTMLResponse
 type htmlResponse string
 
-// HTTP error response will return with a >= 400 response code
+// Server error will return with a 400 status code
+// with the error message in the body
 // swagger:response ErrorResponse
-// example: invalid request
 type errorResponse string
 
+// Not found error will return a 404 status code
+// swagger:response NotFoundResponse
+type notFoundResponse string
+
 // Plain text "ok" response
 // swagger:response OKResponse
 type okResponse string
@@ -180,15 +31,6 @@ type okResponse string
 // swagger:response ArrayResponse
 type arrayResponse []string
 
-// Confirmation message for HTTP send API
-// swagger:response sendMessageResponse
-type sendMessageResponse struct {
-	// Response for sending messages via the HTTP API
-	//
-	// in: body
-	Body SendMessageConfirmation
-}
-
 // JSON error response
 // swagger:response jsonErrorResponse
 type jsonErrorResponse struct {

server/apiv1/tags.go

@@ -0,0 +1,203 @@
+package apiv1
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/server/websockets"
+	"github.com/gorilla/mux"
+)
+
+// GetAllTags (method: GET) will get all tags currently in use
+func GetAllTags(w http.ResponseWriter, _ *http.Request) {
+	// swagger:route GET /api/v1/tags tags GetAllTags
+	//
+	// # Get all current tags
+	//
+	// Returns a JSON array of all unique message tags.
+	//
+	//	Produces:
+	//	  - application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: ArrayResponse
+	//    400: ErrorResponse
+
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(storage.GetAllTags()); err != nil {
+		httpError(w, err.Error())
+	}
+}
+
+// swagger:parameters SetTagsParams
+type setTagsParams struct {
+	// in: body
+	Body struct {
+		// Array of tag names to set
+		//
+		// required: true
+		// example: ["Tag 1", "Tag 2"]
+		Tags []string
+
+		// Array of message database IDs
+		//
+		// required: true
+		// example: ["4oRBnPtCXgAqZniRhzLNmS", "hXayS6wnCgNnt6aFTvmOF6"]
+		IDs []string
+	}
+}
+
+// SetMessageTags (method: PUT) will set the tags for all provided IDs
+func SetMessageTags(w http.ResponseWriter, r *http.Request) {
+	// swagger:route PUT /api/v1/tags tags SetTagsParams
+	//
+	// # Set message tags
+	//
+	// This will overwrite any existing tags for selected message database IDs. To remove all tags from a message, pass an empty tags array.
+	//
+	//	Consumes:
+	//	  - application/json
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+
+	decoder := json.NewDecoder(r.Body)
+
+	var data struct {
+		Tags []string
+		IDs  []string
+	}
+
+	err := decoder.Decode(&data)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	ids := data.IDs
+
+	if len(ids) > 0 {
+		for _, id := range ids {
+			if _, err := storage.SetMessageTags(id, data.Tags); err != nil {
+				httpError(w, err.Error())
+				return
+			}
+		}
+	}
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}
+
+// swagger:parameters RenameTagParams
+type renameTagParams struct {
+	// The url-encoded tag name to rename
+	//
+	// in: path
+	// required: true
+	// type: string
+	Tag string
+
+	// in: body
+	Body struct {
+		// New name
+		//
+		// required: true
+		// example: New name
+		Name string
+	}
+}
+
+// RenameTag (method: PUT) used to rename a tag
+func RenameTag(w http.ResponseWriter, r *http.Request) {
+	// swagger:route PUT /api/v1/tags/{Tag} tags RenameTagParams
+	//
+	// # Rename a tag
+	//
+	// Renames an existing tag.
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+
+	vars := mux.Vars(r)
+
+	tag := vars["tag"]
+
+	decoder := json.NewDecoder(r.Body)
+
+	var data struct {
+		Name string
+	}
+
+	err := decoder.Decode(&data)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	if err := storage.RenameTag(tag, data.Name); err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	websockets.Broadcast("prune", nil)
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}
+
+// swagger:parameters DeleteTagParams
+type deleteTagParams struct {
+	// The url-encoded tag name to delete
+	//
+	// in: path
+	// required: true
+	Tag string
+}
+
+// DeleteTag (method: DELETE) used to delete a tag
+func DeleteTag(w http.ResponseWriter, r *http.Request) {
+	// swagger:route DELETE /api/v1/tags/{Tag} tags DeleteTagParams
+	//
+	// # Delete a tag
+	//
+	// Deletes a tag. This will not delete any messages with the tag, but will remove the tag from any messages containing the tag.
+	//
+	//	Produces:
+	//	  - text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//	  200: OKResponse
+	//    400: ErrorResponse
+
+	vars := mux.Vars(r)
+
+	tag := vars["tag"]
+
+	if err := storage.DeleteTag(tag); err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
+	websockets.Broadcast("prune", nil)
+
+	w.Header().Add("Content-Type", "text/plain")
+	_, _ = w.Write([]byte("ok"))
+}

server/apiv1/testing.go

@@ -0,0 +1,207 @@
+package apiv1
+
+import (
+	"bytes"
+	"fmt"
+	"net/http"
+	"regexp"
+	"strings"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/tools"
+	"github.com/gorilla/mux"
+	"golang.org/x/net/html"
+	"golang.org/x/net/html/atom"
+)
+
+// swagger:parameters GetMessageHTMLParams
+type getMessageHTMLParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+
+	// If this is route is to be embedded in an iframe, set embed to `1` in the URL to add `target="_blank"` and `rel="noreferrer noopener"` to all links.
+	//
+	// In addition, a small script will be added to the end of the document to post (postMessage()) the height of the document back to the parent window for optional iframe height resizing.
+	//
+	// Note that this will also *transform* the message into a full HTML document (if it isn't already), so this option is useful for viewing but not programmatic testing.
+	//
+	// in: query
+	// required: false
+	// type: string
+	Embed string `json:"embed"`
+}
+
+// GetMessageHTML (method: GET) returns a rendered version of a message's HTML part
+func GetMessageHTML(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /view/{ID}.html testing GetMessageHTMLParams
+	//
+	// # Render message HTML part
+	//
+	// Renders just the message's HTML part which can be used for UI integration testing.
+	// Attached inline images are modified to link to the API provided they exist.
+	// Note that is the message does not contain a HTML part then an 404 error is returned.
+	//
+	// The ID can be set to `latest` to return the latest message.
+	//
+	//	Produces:
+	//	- text/html
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//		200: HTMLResponse
+	//		400: ErrorResponse
+	//      404: NotFoundResponse
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	msg, err := storage.GetMessage(id)
+	if err != nil {
+		w.WriteHeader(404)
+		fmt.Fprint(w, "Message not found")
+		return
+	}
+	if msg.HTML == "" {
+		w.WriteHeader(404)
+		fmt.Fprint(w, "This message does not contain a HTML part")
+		return
+	}
+
+	htmlStr := linkInlineImages(msg)
+
+	// If embed=1 is set, then we will add target="_blank" and rel="noreferrer noopener" to all links
+	if r.URL.Query().Get("embed") == "1" {
+		doc, err := html.Parse(strings.NewReader(htmlStr))
+		if err != nil {
+			logger.Log().Error(err.Error())
+		} else {
+			// Walk the entire HTML tree.
+			tools.WalkHTML(doc, func(n *html.Node) {
+				if n.Type == html.ElementNode && n.DataAtom == atom.A {
+					// Set attributes on all anchors with external links.
+					tools.SetHTMLAttributeVal(n, "target", "_blank")
+					tools.SetHTMLAttributeVal(n, "rel", "noreferrer noopener")
+				}
+			})
+
+			b := bytes.Buffer{}
+			_ = html.Render(&b, doc)
+			htmlStr = b.String()
+
+			nonce := r.Header.Get("mp-nonce")
+
+			js := `<script nonce="` + nonce + `">
+				if (typeof window.parent == "object") {
+					window.addEventListener('load', function () {
+						window.parent.postMessage({ messageHeight: document.body.scrollHeight}, "*")
+					})
+				}
+			</script>`
+
+			htmlStr = strings.ReplaceAll(htmlStr, "</body>", js+"</body>")
+		}
+	}
+
+	w.Header().Add("Content-Type", "text/html; charset=utf-8")
+	_, _ = w.Write([]byte(htmlStr))
+}
+
+// swagger:parameters GetMessageTextParams
+type getMessageTextParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+}
+
+// GetMessageText (method: GET) returns a message's text part
+func GetMessageText(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /view/{ID}.txt testing GetMessageTextParams
+	//
+	// # Render message text part
+	//
+	// Renders just the message's text part which can be used for UI integration testing.
+	//
+	// The ID can be set to `latest` to return the latest message.
+	//
+	//	Produces:
+	//	- text/plain
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//		200: TextResponse
+	//		400: ErrorResponse
+	//      404: NotFoundResponse
+
+	vars := mux.Vars(r)
+
+	id := vars["id"]
+
+	if id == "latest" {
+		var err error
+		id, err = storage.LatestID(r)
+		if err != nil {
+			w.WriteHeader(404)
+			fmt.Fprint(w, err.Error())
+			return
+		}
+	}
+
+	msg, err := storage.GetMessage(id)
+	if err != nil {
+		w.WriteHeader(404)
+		fmt.Fprint(w, "Message not found")
+		return
+	}
+
+	w.Header().Add("Content-Type", "text/plain; charset=utf-8")
+	_, _ = w.Write([]byte(msg.Text))
+}
+
+// This will rewrite all inline image paths to API URLs
+func linkInlineImages(msg *storage.Message) string {
+	html := msg.HTML
+
+	for _, a := range msg.Inline {
+		if a.ContentID != "" {
+			re := regexp.MustCompile(`(?i)(=["\']?)(cid:` + regexp.QuoteMeta(a.ContentID) + `)(["|\'|\\s|\\/|>|;])`)
+			u := config.Webroot + "api/v1/message/" + msg.ID + "/part/" + a.PartID
+			matches := re.FindAllStringSubmatch(html, -1)
+			for _, m := range matches {
+				html = strings.ReplaceAll(html, m[0], m[1]+u+m[3])
+			}
+		}
+	}
+
+	for _, a := range msg.Attachments {
+		if a.ContentID != "" {
+			re := regexp.MustCompile(`(?i)(=["\']?)(cid:` + regexp.QuoteMeta(a.ContentID) + `)(["|\'|\\s|\\/|>|;])`)
+			u := config.Webroot + "api/v1/message/" + msg.ID + "/part/" + a.PartID
+			matches := re.FindAllStringSubmatch(html, -1)
+			for _, m := range matches {
+				html = strings.ReplaceAll(html, m[0], m[1]+u+m[3])
+			}
+		}
+	}
+
+	return html
+}

server/apiv1/thumbnails.go

@@ -22,35 +22,41 @@ var (
 	thumbHeight = 120
 )
 
+// swagger:parameters ThumbnailParams
+type thumbnailParams struct {
+	// Message database ID or "latest"
+	//
+	// in: path
+	// required: true
+	ID string
+
+	// Attachment part ID
+	//
+	// in: path
+	// required: true
+	PartID string
+}
+
 // Thumbnail returns a thumbnail image for an attachment (images only)
 func Thumbnail(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /api/v1/message/{ID}/part/{PartID}/thumb message Thumbnail
+	// swagger:route GET /api/v1/message/{ID}/part/{PartID}/thumb message ThumbnailParams
 	//
 	// # Get an attachment image thumbnail
 	//
 	// This will return a cropped 180x120 JPEG thumbnail of an image attachment.
 	// If the image is smaller than 180x120 then the image is padded. If the attachment is not an image then a blank image is returned.
 	//
+	// The ID can be set to `latest` to return the latest message.
+	//
 	//	Produces:
-	//	- image/jpeg
+	//	  - image/jpeg
 	//
 	//	Schemes: http, https
 	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Database ID
-	//	    required: true
-	//	    type: string
-	//	  + name: PartID
-	//	    in: path
-	//	    description: Attachment part ID
-	//	    required: true
-	//	    type: string
-	//
 	//	Responses:
-	//		200: BinaryResponse
-	//		default: ErrorResponse
+	//	  200: BinaryResponse
+	//    400: ErrorResponse
+
 	vars := mux.Vars(r)
 
 	id := vars["id"]

server/embed.go

@@ -0,0 +1,79 @@
+package server
+
+import (
+	"embed"
+	"net/http"
+	"path"
+	"strings"
+
+	"github.com/axllent/mailpit/config"
+)
+
+var (
+	//go:embed ui
+	distFS embed.FS
+)
+
+// EmbedController is a simple controller to return a file from the embedded filesystem.
+//
+// This controller is replaces Go's default http.FileServer which, as of Go v1.23, removes
+// the Content-Encoding header from error responses, breaking pages such as 404's while
+// using gzip compression middleware.
+func embedController(w http.ResponseWriter, r *http.Request) {
+	p := r.URL.Path
+
+	if strings.HasSuffix(p, "/") {
+		p = p + "index.html"
+	}
+
+	p = strings.TrimLeft(p, config.Webroot) // server webroot config
+	p = path.Join("ui", p)                  // add go:embed path to path prefix
+
+	b, err := distFS.ReadFile(p)
+	if err != nil {
+		http.Error(w, "File not found", http.StatusNotFound)
+		return
+	}
+
+	// ensure any HTML files have the correct nonce
+	if strings.HasSuffix(p, ".html") {
+		nonce := r.Header.Get("mp-nonce")
+		b = []byte(strings.ReplaceAll(string(b), "%%NONCE%%", nonce))
+	}
+
+	// allow browser cache except for ?dev queries and HTML files
+	if r.URL.RawQuery != "dev" && !strings.HasSuffix(p, ".html") {
+		w.Header().Set("Cache-Control", "max-age=31536000, public, immutable")
+	}
+
+	w.Header().Set("Content-Type", contentType(p))
+	_, _ = w.Write(b)
+}
+
+// ContentType supports only a few content types, limited to this application's needs.
+func contentType(p string) string {
+	switch {
+	case strings.HasSuffix(p, ".html"):
+		return "text/html; charset=utf-8"
+	case strings.HasSuffix(p, ".css"):
+		return "text/css; charset=utf-8"
+	case strings.HasSuffix(p, ".js"):
+		return "application/javascript; charset=utf-8"
+	case strings.HasSuffix(p, ".json"):
+		return "application/json"
+	case strings.HasSuffix(p, ".svg"):
+		return "image/svg+xml"
+	case strings.HasSuffix(p, ".ico"):
+		return "image/x-icon"
+	case strings.HasSuffix(p, ".png"):
+		return "image/png"
+	case strings.HasSuffix(p, ".jpg"):
+		return "image/jpeg"
+	case strings.HasSuffix(p, ".gif"):
+		return "image/gif"
+	case strings.HasSuffix(p, ".woff2"):
+		return "font/woff2"
+	default:
+		return "text/plain"
+	}
+}

server/handlers/messages.go

@@ -1,15 +1,12 @@
 package handlers
 
 import (
-	"fmt"
 	"net/http"
 	"net/url"
-	"regexp"
 	"strings"
 
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/storage"
-	"github.com/gorilla/mux"
 )
 
 // RedirectToLatestMessage (method: GET) redirects the web UI to the latest message
@@ -19,13 +16,13 @@ func RedirectToLatestMessage(w http.ResponseWriter, r *http.Request) {
 
 	search := strings.TrimSpace(r.URL.Query().Get("query"))
 	if search != "" {
-		messages, _, err = storage.Search(search, "", 0, 1)
+		messages, _, err = storage.Search(search, "", 0, 0, 1)
 		if err != nil {
 			httpError(w, err.Error())
 			return
 		}
 	} else {
-		messages, err = storage.List(0, 1)
+		messages, err = storage.List(0, 0, 1)
 		if err != nil {
 			httpError(w, err.Error())
 			return
@@ -44,142 +41,3 @@ func RedirectToLatestMessage(w http.ResponseWriter, r *http.Request) {
 
 	http.Redirect(w, r, uri, 302)
 }
-
-// GetMessageHTML (method: GET) returns a rendered version of a message's HTML part
-func GetMessageHTML(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /view/{ID}.html testing GetMessageHTML
-	//
-	// # Render message HTML part
-	//
-	// Renders just the message's HTML part which can be used for UI integration testing.
-	// Attached inline images are modified to link to the API provided they exist.
-	// Note that is the message does not contain a HTML part then an 404 error is returned.
-	//
-	// The ID can be set to `latest` to return the latest message.
-	//
-	//	Produces:
-	//	- text/html
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Database ID or latest
-	//	    required: true
-	//	    type: string
-	//
-	//	Responses:
-	//		200: HTMLResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	msg, err := storage.GetMessage(id)
-	if err != nil {
-		w.WriteHeader(404)
-		fmt.Fprint(w, "Message not found")
-		return
-	}
-	if msg.HTML == "" {
-		w.WriteHeader(404)
-		fmt.Fprint(w, "This message does not contain a HTML part")
-		return
-	}
-
-	html := linkInlineImages(msg)
-	w.Header().Add("Content-Type", "text/html; charset=utf-8")
-	_, _ = w.Write([]byte(html))
-}
-
-// GetMessageText (method: GET) returns a message's text part
-func GetMessageText(w http.ResponseWriter, r *http.Request) {
-	// swagger:route GET /view/{ID}.txt testing GetMessageText
-	//
-	// # Render message text part
-	//
-	// Renders just the message's text part which can be used for UI integration testing.
-	//
-	// The ID can be set to `latest` to return the latest message.
-	//
-	//	Produces:
-	//	- text/plain
-	//
-	//	Schemes: http, https
-	//
-	//	Parameters:
-	//	  + name: ID
-	//	    in: path
-	//	    description: Database ID or latest
-	//	    required: true
-	//	    type: string
-	//
-	//	Responses:
-	//		200: TextResponse
-	//		default: ErrorResponse
-
-	vars := mux.Vars(r)
-
-	id := vars["id"]
-
-	if id == "latest" {
-		var err error
-		id, err = storage.LatestID(r)
-		if err != nil {
-			w.WriteHeader(404)
-			fmt.Fprint(w, err.Error())
-			return
-		}
-	}
-
-	msg, err := storage.GetMessage(id)
-	if err != nil {
-		w.WriteHeader(404)
-		fmt.Fprint(w, "Message not found")
-		return
-	}
-
-	w.Header().Add("Content-Type", "text/plain; charset=utf-8")
-	_, _ = w.Write([]byte(msg.Text))
-}
-
-// This will rewrite all inline image paths to API URLs
-func linkInlineImages(msg *storage.Message) string {
-	html := msg.HTML
-
-	for _, a := range msg.Inline {
-		if a.ContentID != "" {
-			re := regexp.MustCompile(`(?i)(=["\']?)(cid:` + regexp.QuoteMeta(a.ContentID) + `)(["|\'|\\s|\\/|>|;])`)
-			u := config.Webroot + "api/v1/message/" + msg.ID + "/part/" + a.PartID
-			matches := re.FindAllStringSubmatch(html, -1)
-			for _, m := range matches {
-				html = strings.ReplaceAll(html, m[0], m[1]+u+m[3])
-			}
-		}
-	}
-
-	for _, a := range msg.Attachments {
-		if a.ContentID != "" {
-			re := regexp.MustCompile(`(?i)(=["\']?)(cid:` + regexp.QuoteMeta(a.ContentID) + `)(["|\'|\\s|\\/|>|;])`)
-			u := config.Webroot + "api/v1/message/" + msg.ID + "/part/" + a.PartID
-			matches := re.FindAllStringSubmatch(html, -1)
-			for _, m := range matches {
-				html = strings.ReplaceAll(html, m[0], m[1]+u+m[3])
-			}
-		}
-	}
-
-	return html
-}

server/pop3/pop3.go

@@ -1,317 +0,0 @@
-// Package pop3 is a simple POP3 server for Mailpit.
-// By default it is disabled unless password credentials have been loaded.
-//
-// References: https://github.com/r0stig/golang-pop3 | https://github.com/inbucket/inbucket
-// See RFC: https://datatracker.ietf.org/doc/html/rfc1939
-package pop3
-
-import (
-	"bufio"
-	"crypto/tls"
-	"fmt"
-	"net"
-	"strconv"
-	"strings"
-	"time"
-
-	"github.com/axllent/mailpit/config"
-	"github.com/axllent/mailpit/internal/auth"
-	"github.com/axllent/mailpit/internal/logger"
-	"github.com/axllent/mailpit/internal/storage"
-	"github.com/axllent/mailpit/server/websockets"
-)
-
-const (
-	// UNAUTHORIZED state
-	UNAUTHORIZED = 1
-	// TRANSACTION state
-	TRANSACTION = 2
-	// UPDATE state
-	UPDATE = 3
-)
-
-// Run will start the pop3 server if enabled
-func Run() {
-	if auth.POP3Credentials == nil || config.POP3Listen == "" {
-		// POP3 server is disabled without authentication
-		return
-	}
-
-	var listener net.Listener
-	var err error
-
-	if config.POP3TLSCert != "" {
-		cer, err2 := tls.LoadX509KeyPair(config.POP3TLSCert, config.POP3TLSKey)
-		if err2 != nil {
-			logger.Log().Errorf("[pop3] %s", err2.Error())
-			return
-		}
-
-		tlsConfig := &tls.Config{
-			Certificates: []tls.Certificate{cer},
-			MinVersion:   tls.VersionTLS12,
-		}
-
-		listener, err = tls.Listen("tcp", config.POP3Listen, tlsConfig)
-	} else {
-		// unencrypted
-		listener, err = net.Listen("tcp", config.POP3Listen)
-	}
-
-	if err != nil {
-		logger.Log().Errorf("[pop3] %s", err.Error())
-		return
-	}
-
-	logger.Log().Infof("[pop3] starting on %s", config.POP3Listen)
-
-	for {
-		conn, err := listener.Accept()
-		if err != nil {
-			continue
-		}
-
-		// run as goroutine
-		go handleClient(conn)
-	}
-}
-
-type message struct {
-	ID   string
-	Size float64
-}
-
-func handleClient(conn net.Conn) {
-	var (
-		user     = ""
-		state    = 1
-		toDelete = []string{}
-	)
-
-	defer func() {
-		if state == UPDATE {
-			for _, id := range toDelete {
-				_ = storage.DeleteMessages([]string{id})
-			}
-			if len(toDelete) > 0 {
-				// update web UI to remove deleted messages
-				websockets.Broadcast("prune", nil)
-			}
-		}
-
-		if err := conn.Close(); err != nil {
-			logger.Log().Errorf("[pop3] %s", err.Error())
-		}
-	}()
-
-	reader := bufio.NewReader(conn)
-
-	messages := []message{}
-
-	// State
-	// 1 = Unauthorized
-	// 2 = Transaction mode
-	// 3 = update mode
-
-	logger.Log().Debugf("[pop3] connection opened by %s", conn.RemoteAddr().String())
-
-	// First welcome the new connection
-	sendResponse(conn, "+OK Mailpit POP3 server")
-
-	timeoutDuration := 30 * time.Second
-
-	for {
-		// POP3 server enforced a timeout of 30 seconds
-		if err := conn.SetDeadline(time.Now().Add(timeoutDuration)); err != nil {
-			logger.Log().Errorf("[pop3] %s", err.Error())
-			return
-		}
-
-		// Reads a line from the client
-		rawLine, err := reader.ReadString('\n')
-		if err != nil {
-			logger.Log().Errorf("[pop3] %s", err.Error())
-			return
-		}
-
-		// Parses the command
-		cmd, args := getCommand(rawLine)
-
-		logger.Log().Debugf("[pop3] received: %s (%s)", strings.TrimSpace(rawLine), conn.RemoteAddr().String())
-
-		if cmd == "CAPA" {
-			// List our capabilities per RFC2449
-			sendResponse(conn, "+OK Capability list follows")
-			sendResponse(conn, "TOP")
-			sendResponse(conn, "USER")
-			sendResponse(conn, "UIDL")
-			sendResponse(conn, "IMPLEMENTATION Mailpit")
-			sendResponse(conn, ".")
-			continue
-		} else if cmd == "USER" && state == UNAUTHORIZED {
-			if len(args) != 1 {
-				sendResponse(conn, "-ERR must supply a user")
-				return
-			}
-			// always true - stash for PASS
-			sendResponse(conn, "+OK")
-			user = args[0]
-
-		} else if cmd == "PASS" && state == UNAUTHORIZED {
-			if len(args) != 1 {
-				sendResponse(conn, "-ERR must supply a password")
-				return
-			}
-
-			pass := args[0]
-			if authUser(user, pass) {
-				sendResponse(conn, "+OK signed in")
-				messages, err = getMessages()
-				if err != nil {
-					logger.Log().Errorf("[pop3] %s", err.Error())
-				}
-				state = 2
-			} else {
-				sendResponse(conn, "-ERR invalid password")
-				logger.Log().Warnf("[pop3] failed login: %s", user)
-			}
-
-		} else if cmd == "STAT" && state == TRANSACTION {
-			totalSize := float64(0)
-			for _, m := range messages {
-				totalSize = totalSize + m.Size
-			}
-
-			sendResponse(conn, fmt.Sprintf("+OK %d %d", len(messages), int64(totalSize)))
-
-		} else if cmd == "LIST" && state == TRANSACTION {
-			totalSize := float64(0)
-			for _, m := range messages {
-				totalSize = totalSize + m.Size
-			}
-			sendData(conn, fmt.Sprintf("+OK %d messages (%d octets)", len(messages), int64(totalSize)))
-
-			// print all sizes
-			for row, m := range messages {
-				sendData(conn, fmt.Sprintf("%d %d", row+1, m.Size))
-			}
-			// end
-			sendData(conn, ".")
-
-		} else if cmd == "UIDL" && state == TRANSACTION {
-			totalSize := float64(0)
-			for _, m := range messages {
-				totalSize = totalSize + m.Size
-			}
-
-			sendData(conn, "+OK unique-id listing follows")
-
-			// print all message IDS
-			for row, m := range messages {
-				sendData(conn, fmt.Sprintf("%d %s", row+1, m.ID))
-			}
-			// end
-			sendData(conn, ".")
-
-		} else if cmd == "RETR" && state == TRANSACTION {
-			if len(args) != 1 {
-				sendResponse(conn, "-ERR no such message")
-				return
-			}
-
-			nr, err := strconv.Atoi(args[0])
-			if err != nil {
-				sendResponse(conn, "-ERR no such message")
-				return
-			}
-
-			if nr < 1 || nr > len(messages) {
-				sendResponse(conn, "-ERR no such message")
-				return
-			}
-
-			m := messages[nr-1]
-			raw, err := storage.GetMessageRaw(m.ID)
-			if err != nil {
-				sendResponse(conn, "-ERR no such message")
-				return
-			}
-
-			size := len(raw)
-			sendData(conn, fmt.Sprintf("+OK %d octets", size))
-			sendData(conn, string(raw))
-			sendData(conn, ".")
-
-		} else if cmd == "TOP" && state == TRANSACTION {
-			arg, err := getSafeArg(args, 0)
-			if err != nil {
-				sendResponse(conn, "-ERR TOP requires two arguments")
-				return
-			}
-			nr, err := strconv.Atoi(arg)
-			if err != nil {
-				sendResponse(conn, "-ERR TOP requires two arguments")
-				return
-			}
-
-			if nr < 1 || nr > len(messages) {
-				sendResponse(conn, "-ERR no such message")
-				return
-			}
-			arg2, err := getSafeArg(args, 1)
-			if err != nil {
-				sendResponse(conn, "-ERR TOP requires two arguments")
-				return
-			}
-
-			lines, err := strconv.Atoi(arg2)
-			if err != nil {
-				sendResponse(conn, "-ERR TOP requires two arguments")
-				return
-			}
-
-			m := messages[nr-1]
-			headers, body, err := getTop(m.ID, lines)
-			if err != nil {
-				sendResponse(conn, err.Error())
-				return
-			}
-
-			sendData(conn, "+OK Top of message follows")
-			sendData(conn, headers+"\r\n")
-			sendData(conn, body)
-			sendData(conn, ".")
-
-		} else if cmd == "NOOP" && state == TRANSACTION {
-			sendData(conn, "+OK")
-		} else if cmd == "DELE" && state == TRANSACTION {
-			arg, _ := getSafeArg(args, 0)
-			nr, err := strconv.Atoi(arg)
-			if err != nil {
-				logger.Log().Warnf("[pop3] -ERR invalid DELETE integer: %s", arg)
-				sendResponse(conn, "-ERR invalid integer")
-				return
-			}
-
-			if nr < 1 || nr > len(messages) {
-				logger.Log().Warnf("[pop3] -ERR no such message")
-				sendResponse(conn, "-ERR no such message")
-				return
-			}
-			toDelete = append(toDelete, messages[nr-1].ID)
-
-			sendResponse(conn, "+OK")
-
-		} else if cmd == "RSET" && state == TRANSACTION {
-			toDelete = []string{}
-			sendData(conn, "+OK")
-
-		} else if cmd == "QUIT" {
-			state = UPDATE
-			return
-		} else {
-			logger.Log().Warnf("[pop3] -ERR %s not implemented", cmd)
-			sendResponse(conn, fmt.Sprintf("-ERR %s not implemented", cmd))
-		}
-	}
-}

server/server.go

@@ -4,12 +4,12 @@ package server
 import (
 	"bytes"
 	"compress/gzip"
-	"embed"
 	"fmt"
 	"io"
-	"io/fs"
+	"net"
 	"net/http"
 	"os"
+	"regexp"
 	"strings"
 	"sync/atomic"
 	"text/template"
@@ -18,20 +18,24 @@ import (
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/pop3"
 	"github.com/axllent/mailpit/internal/stats"
 	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/tools"
 	"github.com/axllent/mailpit/server/apiv1"
 	"github.com/axllent/mailpit/server/handlers"
-	"github.com/axllent/mailpit/server/pop3"
 	"github.com/axllent/mailpit/server/websockets"
 	"github.com/gorilla/mux"
+	"github.com/lithammer/shortuuid/v4"
 )
 
-//go:embed ui
-var embeddedFS embed.FS
+var (
+	// AccessControlAllowOrigin CORS policy
+	AccessControlAllowOrigin string
 
-// AccessControlAllowOrigin CORS policy
-var AccessControlAllowOrigin string
+	// htmlPreviewRouteRe is a regexp to match the HTML preview route
+	htmlPreviewRouteRe *regexp.Regexp
+)
 
 // Listen will start the httpd
 func Listen() {
@@ -39,12 +43,6 @@ func Listen() {
 	isReady.Store(false)
 	stats.Track()
 
-	serverRoot, err := fs.Sub(embeddedFS, "ui")
-	if err != nil {
-		logger.Log().Errorf("[http] %s", err.Error())
-		os.Exit(1)
-	}
-
 	websockets.MessageHub = websockets.NewHub()
 
 	go websockets.MessageHub.Run()
@@ -61,12 +59,12 @@ func Listen() {
 	r.HandleFunc(config.Webroot+"proxy", middleWareFunc(handlers.ProxyHandler)).Methods("GET")
 
 	// virtual filesystem for /dist/ & some individual files
-	r.PathPrefix(config.Webroot + "dist/").Handler(middlewareHandler(http.StripPrefix(config.Webroot, http.FileServer(http.FS(serverRoot)))))
-	r.PathPrefix(config.Webroot + "api/").Handler(middlewareHandler(http.StripPrefix(config.Webroot, http.FileServer(http.FS(serverRoot)))))
-	r.Path(config.Webroot + "favicon.ico").Handler(middlewareHandler(http.StripPrefix(config.Webroot, http.FileServer(http.FS(serverRoot)))))
-	r.Path(config.Webroot + "favicon.svg").Handler(middlewareHandler(http.StripPrefix(config.Webroot, http.FileServer(http.FS(serverRoot)))))
-	r.Path(config.Webroot + "mailpit.svg").Handler(middlewareHandler(http.StripPrefix(config.Webroot, http.FileServer(http.FS(serverRoot)))))
-	r.Path(config.Webroot + "notification.png").Handler(middlewareHandler(http.StripPrefix(config.Webroot, http.FileServer(http.FS(serverRoot)))))
+	r.PathPrefix(config.Webroot + "dist/").Handler(middleWareFunc(embedController))
+	r.PathPrefix(config.Webroot + "api/").Handler(middleWareFunc(embedController))
+	r.Path(config.Webroot + "favicon.ico").Handler(middleWareFunc(embedController))
+	r.Path(config.Webroot + "favicon.svg").Handler(middleWareFunc(embedController))
+	r.Path(config.Webroot + "mailpit.svg").Handler(middleWareFunc(embedController))
+	r.Path(config.Webroot + "notification.png").Handler(middleWareFunc(embedController))
 
 	// redirect to webroot if no trailing slash
 	if config.Webroot != "/" {
@@ -75,11 +73,11 @@ func Listen() {
 	}
 
 	// UI shortcut
-	r.HandleFunc(config.Webroot+"view/latest", handlers.RedirectToLatestMessage).Methods("GET")
+	r.HandleFunc(config.Webroot+"view/latest", middleWareFunc(handlers.RedirectToLatestMessage)).Methods("GET")
 
 	// frontend testing
-	r.HandleFunc(config.Webroot+"view/{id}.html", handlers.GetMessageHTML).Methods("GET")
-	r.HandleFunc(config.Webroot+"view/{id}.txt", handlers.GetMessageText).Methods("GET")
+	r.HandleFunc(config.Webroot+"view/{id}.html", middleWareFunc(apiv1.GetMessageHTML)).Methods("GET")
+	r.HandleFunc(config.Webroot+"view/{id}.txt", middleWareFunc(apiv1.GetMessageText)).Methods("GET")
 
 	// web UI via virtual index.html
 	r.PathPrefix(config.Webroot + "view/").Handler(middleWareFunc(index)).Methods("GET")
@@ -111,11 +109,42 @@ func Listen() {
 		}
 
 	} else {
-		logger.Log().Infof("[http] starting on %s", config.HTTPListen)
-		logger.Log().Infof("[http] accessible via http://%s%s", logger.CleanHTTPIP(config.HTTPListen), config.Webroot)
-		if err := server.ListenAndServe(); err != nil {
-			storage.Close()
-			logger.Log().Fatal(err)
+		socketAddr, perm, isSocket := tools.UnixSocket(config.HTTPListen)
+
+		if isSocket {
+			if err := tools.PrepareSocket(socketAddr); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+			// delete the Unix socket file on exit
+			storage.AddTempFile(socketAddr)
+
+			ln, err := net.Listen("unix", socketAddr)
+			if err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+			if err := os.Chmod(socketAddr, perm); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+			logger.Log().Infof("[http] starting on %s", config.HTTPListen)
+
+			if err := server.Serve(ln); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+		} else {
+			logger.Log().Infof("[http] starting on %s", config.HTTPListen)
+			logger.Log().Infof("[http] accessible via http://%s%s", logger.CleanHTTPIP(config.HTTPListen), config.Webroot)
+			if err := server.ListenAndServe(); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
 		}
 	}
 }
@@ -132,6 +161,8 @@ func apiRoutes() *mux.Router {
 	r.HandleFunc(config.Webroot+"api/v1/send", middleWareFunc(apiv1.SendMessageHandler)).Methods("POST")
 	r.HandleFunc(config.Webroot+"api/v1/tags", middleWareFunc(apiv1.GetAllTags)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/tags", middleWareFunc(apiv1.SetMessageTags)).Methods("PUT")
+	r.HandleFunc(config.Webroot+"api/v1/tags/{tag}", middleWareFunc(apiv1.RenameTag)).Methods("PUT")
+	r.HandleFunc(config.Webroot+"api/v1/tags/{tag}", middleWareFunc(apiv1.DeleteTag)).Methods("DELETE")
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}/part/{partID}", middleWareFunc(apiv1.DownloadAttachment)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}/part/{partID}/thumb", middleWareFunc(apiv1.Thumbnail)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}/headers", middleWareFunc(apiv1.GetHeaders)).Methods("GET")
@@ -147,6 +178,10 @@ func apiRoutes() *mux.Router {
 	r.HandleFunc(config.Webroot+"api/v1/webui", middleWareFunc(apiv1.WebUIConfig)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/swagger.json", middleWareFunc(swaggerBasePath)).Methods("GET")
 
+	// Chaos
+	r.HandleFunc(config.Webroot+"api/v1/chaos", middleWareFunc(apiv1.GetChaos)).Methods("GET")
+	r.HandleFunc(config.Webroot+"api/v1/chaos", middleWareFunc(apiv1.SetChaos)).Methods("PUT")
+
 	// web UI websocket
 	r.HandleFunc(config.Webroot+"api/events", apiWebsocket).Methods("GET")
 
@@ -177,9 +212,28 @@ func (w gzipResponseWriter) Write(b []byte) (int, error) {
 func middleWareFunc(fn http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Referrer-Policy", "no-referrer")
-		w.Header().Set("Content-Security-Policy", config.ContentSecurityPolicy)
 
-		if AccessControlAllowOrigin != "" && strings.HasPrefix(r.RequestURI, config.Webroot+"api/") {
+		// generate a new random nonce on every request
+		randomNonce := shortuuid.New()
+		// header used to pass nonce through to function
+		r.Header.Set("mp-nonce", randomNonce)
+
+		// Prevent JavaScript XSS by adding a nonce for script-src
+		cspHeader := strings.Replace(
+			config.ContentSecurityPolicy,
+			"script-src 'self';",
+			fmt.Sprintf("script-src 'nonce-%s';", randomNonce),
+			1,
+		)
+
+		w.Header().Set("Content-Security-Policy", cspHeader)
+
+		if htmlPreviewRouteRe == nil {
+			htmlPreviewRouteRe = regexp.MustCompile(`^` + regexp.QuoteMeta(config.Webroot) + `view/[a-zA-Z0-9]+\.html$`)
+		}
+
+		if AccessControlAllowOrigin != "" &&
+			(strings.HasPrefix(r.RequestURI, config.Webroot+"api/") || htmlPreviewRouteRe.MatchString(r.RequestURI)) {
 			w.Header().Set("Access-Control-Allow-Origin", AccessControlAllowOrigin)
 			w.Header().Set("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT, OPTIONS")
 			w.Header().Set("Access-Control-Allow-Headers", "*")
@@ -203,6 +257,7 @@ func middleWareFunc(fn http.HandlerFunc) http.HandlerFunc {
 			fn(w, r)
 			return
 		}
+
 		w.Header().Set("Content-Encoding", "gzip")
 		gz := gzip.NewWriter(w)
 		defer gz.Close()
@@ -211,44 +266,6 @@ func middleWareFunc(fn http.HandlerFunc) http.HandlerFunc {
 	}
 }
 
-// MiddlewareHandler http middleware adds optional basic authentication
-// and gzip compression
-func middlewareHandler(h http.Handler) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Referrer-Policy", "no-referrer")
-		w.Header().Set("Content-Security-Policy", config.ContentSecurityPolicy)
-
-		if AccessControlAllowOrigin != "" && strings.HasPrefix(r.RequestURI, config.Webroot+"api/") {
-			w.Header().Set("Access-Control-Allow-Origin", AccessControlAllowOrigin)
-			w.Header().Set("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT, OPTIONS")
-			w.Header().Set("Access-Control-Allow-Headers", "*")
-		}
-
-		if auth.UICredentials != nil {
-			user, pass, ok := r.BasicAuth()
-
-			if !ok {
-				basicAuthResponse(w)
-				return
-			}
-
-			if !auth.UICredentials.Match(user, pass) {
-				basicAuthResponse(w)
-				return
-			}
-		}
-
-		if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
-			h.ServeHTTP(w, r)
-			return
-		}
-		w.Header().Set("Content-Encoding", "gzip")
-		gz := gzip.NewWriter(w)
-		defer gz.Close()
-		h.ServeHTTP(gzipResponseWriter{Writer: gz, ResponseWriter: w}, r)
-	})
-}
-
 // Redirect to webroot
 func addSlashToWebroot(w http.ResponseWriter, r *http.Request) {
 	http.Redirect(w, r, config.Webroot, http.StatusFound)
@@ -262,7 +279,7 @@ func apiWebsocket(w http.ResponseWriter, r *http.Request) {
 
 // Wrapper to artificially inject a basePath to the swagger.json if a webroot has been specified
 func swaggerBasePath(w http.ResponseWriter, _ *http.Request) {
-	f, err := embeddedFS.ReadFile("ui/api/v1/swagger.json")
+	f, err := distFS.ReadFile("ui/api/v1/swagger.json")
 	if err != nil {
 		panic(err)
 	}
@@ -279,7 +296,7 @@ func swaggerBasePath(w http.ResponseWriter, _ *http.Request) {
 }
 
 // Just returns the default HTML template
-func index(w http.ResponseWriter, _ *http.Request) {
+func index(w http.ResponseWriter, r *http.Request) {
 
 	var h = `<!DOCTYPE html>
 <html lang="en" class="h-100">
@@ -296,10 +313,12 @@ func index(w http.ResponseWriter, _ *http.Request) {
 
 <body class="h-100">
 	<div class="container-fluid h-100 d-flex flex-column" id="app" data-webroot="{{ .Webroot }}" data-version="{{ .Version }}">
-		<noscript>You require JavaScript to use this app.</noscript>
+		<noscript class="alert alert-warning position-absolute top-50 start-50 translate-middle">
+			You need a browser with JavaScript enabled to use Mailpit
+		</noscript>
 	</div>
 
-	<script src="{{ .Webroot }}dist/app.js?{{ .Version }}"></script>
+	<script src="{{ .Webroot }}dist/app.js?{{ .Version }}" nonce="{{ .Nonce }}"></script>
 </body>
 
 </html>`
@@ -312,9 +331,11 @@ func index(w http.ResponseWriter, _ *http.Request) {
 	data := struct {
 		Webroot string
 		Version string
+		Nonce   string
 	}{
 		Webroot: config.Webroot,
 		Version: config.Version,
+		Nonce:   r.Header.Get("mp-nonce"),
 	}
 
 	buff := new(bytes.Buffer)
@@ -324,6 +345,6 @@ func index(w http.ResponseWriter, _ *http.Request) {
 		panic(err)
 	}
 
-	w.Header().Add("Content-Type", "text/html")
+	w.Header().Add("Content-Type", "text/html; charset=utf-8")
 	_, _ = w.Write(buff.Bytes())
 }

server/server_test.go

@@ -37,7 +37,7 @@ func TestAPIv1Messages(t *testing.T) {
 
 	m, err := fetchMessages(ts.URL + "/api/v1/messages")
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	// check count of empty database
@@ -50,7 +50,7 @@ func TestAPIv1Messages(t *testing.T) {
 
 	m, err = fetchMessages(ts.URL + "/api/v1/messages")
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	// read first 10 messages
@@ -61,17 +61,17 @@ func TestAPIv1Messages(t *testing.T) {
 		}
 
 		if _, err := clientGet(ts.URL + "/api/v1/message/" + msg.ID); err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 
 		// get RAW
 		if _, err := clientGet(ts.URL + "/api/v1/message/" + msg.ID + "/raw"); err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 
 		// get headers
 		if _, err := clientGet(ts.URL + "/api/v1/message/" + msg.ID + "/headers"); err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 	}
 
@@ -98,7 +98,7 @@ func TestAPIv1ToggleReadStatus(t *testing.T) {
 
 	m, err := fetchMessages(ts.URL + "/api/v1/messages")
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	// check count of empty database
@@ -111,7 +111,7 @@ func TestAPIv1ToggleReadStatus(t *testing.T) {
 
 	m, err = fetchMessages(ts.URL + "/api/v1/messages")
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	// read first 10 IDs
@@ -134,11 +134,11 @@ func TestAPIv1ToggleReadStatus(t *testing.T) {
 	putData.IDs = putIDS
 	j, err := json.Marshal(putData)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	_, err = clientPut(ts.URL+"/api/v1/messages", string(j))
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assertStatsEqual(t, ts.URL+"/api/v1/messages", 90, 100)
 
@@ -147,11 +147,11 @@ func TestAPIv1ToggleReadStatus(t *testing.T) {
 	putData.Read = false
 	j, err = json.Marshal(putData)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	_, err = clientPut(ts.URL+"/api/v1/messages", string(j))
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assertStatsEqual(t, ts.URL+"/api/v1/messages", 100, 100)
 
@@ -160,13 +160,13 @@ func TestAPIv1ToggleReadStatus(t *testing.T) {
 	putData.IDs = []string{}
 	j, err = json.Marshal(putData)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	t.Log("Mark all read")
 	_, err = clientPut(ts.URL+"/api/v1/messages", string(j))
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assertStatsEqual(t, ts.URL+"/api/v1/messages", 0, 100)
 }
@@ -243,6 +243,12 @@ func TestAPIv1Send(t *testing.T) {
 		  {
 			"Content": "VGhpcyBpcyBhIHBsYWluIHRleHQgYXR0YWNobWVudA==",
 			"Filename": "Attached File.txt"
+		  },
+		  {
+			"Content": "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",
+			"Filename": "logo.png",
+			"ContentID": "inline-cid",
+			"ContentType": "overridden/type"
 		  }
 		],
 		"ReplyTo": [
@@ -266,14 +272,14 @@ func TestAPIv1Send(t *testing.T) {
 	resp := apiv1.SendMessageConfirmation{}
 
 	if err := json.Unmarshal(b, &resp); err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 		return
 	}
 
 	t.Logf("Fetching response for message %s", resp.ID)
 	msg, err := fetchMessage(ts.URL + "/api/v1/message/" + resp.ID)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	t.Logf("Testing response for message %s", resp.ID)
@@ -294,10 +300,14 @@ func TestAPIv1Send(t *testing.T) {
 	assertEqual(t, `Tag 1,Tag 2`, strings.Join(msg.Tags, ","), "wrong Tags")
 	assertEqual(t, 1, len(msg.Attachments), "wrong Attachment count")
 	assertEqual(t, `Attached File.txt`, msg.Attachments[0].FileName, "wrong Attachment name")
+	assertEqual(t, `text/plain`, msg.Attachments[0].ContentType, "wrong Content-Type")
+	assertEqual(t, 1, len(msg.Inline), "wrong inline Attachment count")
+	assertEqual(t, `logo.png`, msg.Inline[0].FileName, "wrong Attachment name")
+	assertEqual(t, `overridden/type`, msg.Inline[0].ContentType, "wrong Content-Type")
 
 	attachmentBytes, err := clientGet(ts.URL + "/api/v1/message/" + resp.ID + "/part/" + msg.Attachments[0].PartID)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assertEqual(t, `This is a plain text attachment`, string(attachmentBytes), "wrong Attachment content")
 }
@@ -321,12 +331,12 @@ func assertStatsEqual(t *testing.T, uri string, unread, total int) {
 
 	data, err := clientGet(uri)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 		return
 	}
 
 	if err := json.Unmarshal(data, &m); err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 		return
 	}
 
@@ -342,12 +352,12 @@ func assertSearchEqual(t *testing.T, uri, query string, count int) {
 
 	data, err := clientGet(uri + "?query=" + url.QueryEscape(query) + "&limit=" + limit)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 		return
 	}
 
 	if err := json.Unmarshal(data, &m); err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 		return
 	}
 
@@ -383,7 +393,7 @@ func insertEmailData(t *testing.T) {
 			t.Fail()
 		}
 
-		if err := storage.SetMessageTags(id, []string{fmt.Sprintf("Test tag %03d", i)}); err != nil {
+		if _, err := storage.SetMessageTags(id, []string{fmt.Sprintf("Test tag %03d", i)}); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}

server/smtpd/relay.go

@@ -1,41 +0,0 @@
-package smtpd
-
-import (
-	"strings"
-
-	"github.com/axllent/mailpit/config"
-	"github.com/axllent/mailpit/internal/logger"
-)
-
-func autoRelayMessage(from string, to []string, data *[]byte) {
-	if len(to) == 0 {
-		return
-	}
-
-	if config.SMTPRelayAll {
-		if err := Send(from, to, *data); err != nil {
-			logger.Log().Errorf("[smtp] error relaying message: %s", err.Error())
-		} else {
-			logger.Log().Debugf("[smtp] auto-relay message to %s from %s via %s:%d",
-				strings.Join(to, ", "), from, config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
-		}
-	} else if config.SMTPRelayMatchingRegexp != nil {
-		filtered := []string{}
-		for _, t := range to {
-			if config.SMTPRelayMatchingRegexp.MatchString(t) {
-				filtered = append(filtered, t)
-			}
-		}
-
-		if len(filtered) == 0 {
-			return
-		}
-
-		if err := Send(from, filtered, *data); err != nil {
-			logger.Log().Errorf("[smtp] error relaying message: %s", err.Error())
-		} else {
-			logger.Log().Debugf("[smtp] auto-relay message to %s from %s via %s:%d",
-				strings.Join(filtered, ", "), from, config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
-		}
-	}
-}

server/ui-src/App.vue

@@ -2,7 +2,7 @@
 import CommonMixins from './mixins/CommonMixins'
 import Favicon from './components/Favicon.vue'
 import Notifications from './components/Notifications.vue'
-import { RouterView } from 'vue-router'
+import EditTags from './components/EditTags.vue'
 import { mailbox } from "./stores/mailbox"
 
 export default {
@@ -11,14 +11,19 @@ export default {
 	components: {
 		Favicon,
 		Notifications,
+		EditTags
 	},
 
 	beforeMount() {
-		document.title = document.title + ' - ' + location.hostname
-
 		// load global config
 		this.get(this.resolve('/api/v1/webui'), false, function (response) {
 			mailbox.uiConfig = response.data
+
+			if (mailbox.uiConfig.Label) {
+				document.title = document.title + ' - ' + mailbox.uiConfig.Label
+			} else {
+				document.title = document.title + ' - ' + location.hostname
+			}
 		})
 	},
 
@@ -36,4 +41,5 @@ export default {
 	<RouterView />
 	<Favicon />
 	<Notifications />
+	<EditTags />
 </template>

server/ui-src/app.js

@@ -1,11 +1,19 @@
 import App from './App.vue'
 import router from './router'
 import { createApp } from 'vue'
+import mitt from 'mitt';
 
 import './assets/styles.scss'
 import 'bootstrap-icons/font/bootstrap-icons.scss'
 import 'bootstrap'
+import 'vue-css-donut-chart/src/styles/main.css'
 
 const app = createApp(App)
+
+// Global event bus used to subscribe to websocket events
+// such as message deletes, updates & truncation.
+const eventBus = mitt()
+app.provide('eventBus', eventBus)
+
 app.use(router)
 app.mount('#app')

server/ui-src/assets/styles.scss

@@ -91,44 +91,6 @@
 	}
 }
 
-.about-mailpit {
-	@include media-breakpoint-down(md) {
-		width: var(--bs-offcanvas-width);
-		margin-left: -1rem !important;
-	}
-}
-
-.message {
-	.subject {
-		color: $text-muted;
-
-		b {
-			color: $list-group-color;
-		}
-
-		small {
-			opacity: 0.5;
-		}
-	}
-
-	&.read {
-		color: $text-muted;
-
-		b {
-			opacity: 0.7;
-			font-weight: normal;
-			color: $list-group-color;
-		}
-
-		small {
-			opacity: 0.5;
-		}
-	}
-	&.selected {
-		background: var(--bs-primary-bg-subtle);
-	}
-}
-
 .text-spaces-nowrap {
 	white-space: pre;
 }
@@ -266,8 +228,35 @@
 	}
 }
 
-.list-group-item.message:first-child {
-	border-top: 0;
+#message-page {
+	.list-group-item.message:first-child {
+		border-top: 0;
+	}
+
+	.message {
+		.subject {
+			color: $text-muted;
+
+			b {
+				color: $list-group-color;
+			}
+
+			small {
+				opacity: 0.5;
+			}
+		}
+
+		&.read {
+			color: $text-muted;
+
+			b {
+				color: $list-group-color;
+			}
+		}
+		&.selected {
+			background: var(--bs-primary-bg-subtle);
+		}
+	}
 }
 
 body.blur {
@@ -320,6 +309,14 @@ body.blur {
 	display: none;
 }
 
+.message {
+	&.read {
+		> div {
+			opacity: 0.7;
+		}
+	}
+}
+
 #message-view {
 	.form-control.dropdown {
 		padding: 0;

server/ui-src/components/AboutMailpit.vue

@@ -26,15 +26,14 @@ export default {
 	},
 
 	methods: {
-		loadInfo: function () {
-			let self = this
-			self.get(self.resolve('/api/v1/info'), false, function (response) {
+		loadInfo() {
+			this.get(this.resolve('/api/v1/info'), false, (response) => {
 				mailbox.appInfo = response.data
-				self.modal('AppInfoModal').show()
+				this.modal('AppInfoModal').show()
 			})
 		},
 
-		requestNotifications: function () {
+		requestNotifications() {
 			// check if the browser supports notifications
 			if (!("Notification" in window)) {
 				alert("This browser does not support desktop notifications")
@@ -42,11 +41,12 @@ export default {
 
 			// we need to ask the user for permission
 			else if (Notification.permission !== "denied") {
-				let self = this
-				Notification.requestPermission().then(function (permission) {
+				Notification.requestPermission().then((permission) => {
 					if (permission === "granted") {
 						mailbox.notificationsEnabled = true
 					}
+
+					this.modal('EnableNotificationsModal').hide()
 				})
 			}
 		},
@@ -56,14 +56,13 @@ export default {
 
 <template>
 	<template v-if="!modals">
-		<div
-			class="position-fixed bg-body bottom-0 ms-n1 py-2 text-muted small col-xl-2 col-md-3 pe-3 z-3 about-mailpit">
-			<button class="text-muted btn btn-sm" v-on:click="loadInfo">
+		<div class="bg-body ms-sm-n1 me-sm-n1 py-2 text-muted small about-mailpit">
+			<button class="text-muted btn btn-sm" v-on:click="loadInfo()">
 				<i class="bi bi-info-circle-fill me-1"></i>
 				About
 			</button>
 
-			<button class="btn btn-sm btn-outline-secondary float-end me-2" data-bs-toggle="modal"
+			<button class="btn btn-sm btn-outline-secondary float-end" data-bs-toggle="modal"
 				data-bs-target="#SettingsModal" title="Mailpit UI settings">
 				<i class="bi bi-gear-fill"></i>
 			</button>
@@ -93,16 +92,20 @@ export default {
 						<div class="row g-3">
 							<div class="col-xl-6">
 								<div class="row g-3" v-if="mailbox.appInfo.LatestVersion == ''">
-									<div class="alert alert-warning mb-3">
-										There might be a newer version available. The check failed.
+									<div class="col">
+										<div class="alert alert-warning mb-3">
+											There might be a newer version available. The check failed.
+										</div>
 									</div>
 								</div>
 								<div class="row g-3"
 									v-else-if="mailbox.appInfo.Version != mailbox.appInfo.LatestVersion">
-									<a class="btn btn-warning d-block mb-3"
-										:href="'https://github.com/axllent/mailpit/releases/tag/' + mailbox.appInfo.LatestVersion">
-										A new version of Mailpit ({{ mailbox.appInfo.LatestVersion }}) is available.
-									</a>
+									<div class="col">
+										<a class="btn btn-warning d-block mb-3"
+											:href="'https://github.com/axllent/mailpit/releases/tag/' + mailbox.appInfo.LatestVersion">
+											A new version of Mailpit ({{ mailbox.appInfo.LatestVersion }}) is available.
+										</a>
+									</div>
 								</div>
 								<div class="row g-3">
 									<div class="col-12">
@@ -146,11 +149,11 @@ export default {
 								</div>
 							</div>
 							<div class="col-xl-6">
-								<div class="card border-secondary">
+								<div class="card border-secondary h-100">
 									<div class="card-header h4">
 										Runtime statistics
 										<button class="btn btn-sm btn-outline-secondary float-end"
-											v-on:click="loadInfo">
+											v-on:click="loadInfo()">
 											Refresh
 										</button>
 									</div>
@@ -180,7 +183,9 @@ export default {
 													<td>
 														{{ formatNumber(mailbox.appInfo.RuntimeStats.SMTPAccepted) }}
 														<small class="text-secondary">
-															({{ getFileSize(mailbox.appInfo.RuntimeStats.SMTPAcceptedSize) }})
+															({{
+																getFileSize(mailbox.appInfo.RuntimeStats.SMTPAcceptedSize)
+															}})
 														</small>
 													</td>
 												</tr>
@@ -236,8 +241,9 @@ export default {
 					</div>
 					<div class="modal-footer">
 						<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
-						<button type="button" class="btn btn-success" data-bs-dismiss="modal"
-							v-on:click="requestNotifications">Enable notifications</button>
+						<button type="button" class="btn btn-success" v-on:click="requestNotifications">
+							Enable notifications
+						</button>
 					</div>
 				</div>
 			</div>
@@ -245,6 +251,6 @@ export default {
 
 		<Settings />
 	</template>
-	
+
 	<AjaxLoader :loading="loading" />
 </template>

server/ui-src/components/EditTags.vue

@@ -0,0 +1,119 @@
+<script>
+import CommonMixins from '../mixins/CommonMixins'
+import { mailbox } from '../stores/mailbox'
+
+export default {
+	mixins: [CommonMixins],
+
+	data() {
+		return {
+			mailbox,
+			editableTags: [],
+			validTagRe: new RegExp(/^([a-zA-Z0-9\-\ \_\.]){1,}$/),
+			tagToDelete: false,
+		}
+	},
+
+	watch: {
+		'mailbox.tags': {
+			handler(tags) {
+				this.editableTags = []
+				tags.forEach((t) => {
+					this.editableTags.push({ before: t, after: t })
+				})
+			},
+			deep: true
+		}
+	},
+
+	methods: {
+		validTag(t) {
+			if (!t.after.match(/^([a-zA-Z0-9\-\ \_\.]){1,}$/)) {
+				return false
+			}
+
+			const lower = t.after.toLowerCase()
+			for (let x = 0; x < this.editableTags.length; x++) {
+				if (this.editableTags[x].before != t.before && lower == this.editableTags[x].before.toLowerCase()) {
+					return false
+				}
+			}
+
+			return true
+		},
+
+		renameTag(t) {
+			if (!this.validTag(t) || t.before == t.after) {
+				return
+			}
+
+			this.put(this.resolve(`/api/v1/tags/` + encodeURI(t.before)), { Name: t.after }, () => {
+				// the API triggers a reload via websockets
+			})
+		},
+
+		deleteTag() {
+			this.delete(this.resolve(`/api/v1/tags/` + encodeURI(this.tagToDelete.before)), null, () => {
+				// the API triggers a reload via websockets
+				this.tagToDelete = false
+			})
+		},
+
+		resetTagEdit(t) {
+			for (let x = 0; x < this.editableTags.length; x++) {
+				if (this.editableTags[x].before != t.before && this.editableTags[x].before != this.editableTags[x].after) {
+					this.editableTags[x].after = this.editableTags[x].before
+				}
+			}
+		}
+	}
+}
+</script>
+
+<template>
+	<div class="modal fade" id="EditTagsModal" tabindex="-1" aria-labelledby="EditTagsModalLabel" aria-hidden="true"
+		data-bs-keyboard="false">
+		<div class="modal-dialog modal-lg">
+			<div class="modal-content">
+				<div class="modal-header">
+					<h5 class="modal-title" id="EditTagsModalLabel">Edit tags</h5>
+					<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+				</div>
+				<div class="modal-body">
+					<p>
+						Renaming a tag will update the tag for all messages. Deleting a tag will only delete the tag
+						itself, and not any messages which had the tag.
+					</p>
+					<div class="mb-3" v-for="t in editableTags">
+						<div class="input-group has-validation">
+							<input type="text" class="form-control" :class="!validTag(t) ? 'is-invalid' : ''"
+								v-model.trim="t.after" aria-describedby="inputGroupPrepend" required
+								@keydown.enter="renameTag(t)" @keydown.esc="t.after = t.before"
+								@focus="resetTagEdit(t)">
+							<button v-if="t.before != t.after" class="btn btn-success"
+								@click="renameTag(t)">Save</button>
+							<template v-else>
+								<button class="btn btn-outline-danger"
+									:class="tagToDelete.before == t.before ? 'text-white btn-danger' : ''"
+									@click="!tagToDelete ? tagToDelete = t : deleteTag()" @blur="tagToDelete = false">
+									<template v-if="tagToDelete == t">
+										Confirm?
+									</template>
+									<template v-else>
+										Delete
+									</template>
+								</button>
+							</template>
+							<div class="invalid-feedback">
+								Invalid tag name
+							</div>
+						</div>
+					</div>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Close</button>
+				</div>
+			</div>
+		</div>
+	</div>
+</template>

server/ui-src/components/Favicon.vue

@@ -39,10 +39,9 @@ export default {
             }
 
             this.iconProcessing = true
-            let self = this
 
             window.setTimeout(() => {
-                self.icoUpdate()
+                this.icoUpdate()
             }, this.iconTimeout)
         },
     },

server/ui-src/components/ListMessages.vue

@@ -2,6 +2,7 @@
 import { mailbox } from '../stores/mailbox'
 import CommonMixins from '../mixins/CommonMixins'
 import dayjs from 'dayjs'
+import { pagination } from "../stores/pagination";
 
 export default {
 	mixins: [
@@ -15,33 +16,33 @@ export default {
 	data() {
 		return {
 			mailbox,
+			pagination,
 		}
 	},
 
-	mounted() {
-		let relativeTime = require('dayjs/plugin/relativeTime')
+	created() {
+		const relativeTime = require('dayjs/plugin/relativeTime')
 		dayjs.extend(relativeTime)
+	},
+
+	mounted() {
 		this.refreshUI()
 	},
 
 	methods: {
-		refreshUI: function () {
-			let self = this
-			window.setTimeout(
-				() => {
-					self.$forceUpdate()
-					self.refreshUI()
-				},
-				30000
-			)
+		refreshUI() {
+			window.setTimeout(() => {
+				this.$forceUpdate()
+				this.refreshUI()
+			}, 30000)
 		},
 
-		getRelativeCreated: function (message) {
-			let d = new Date(message.Created)
+		getRelativeCreated(message) {
+			const d = new Date(message.Created)
 			return dayjs(d).fromNow()
 		},
 
-		getPrimaryEmailTo: function (message) {
+		getPrimaryEmailTo(message) {
 			for (let i in message.To) {
 				return message.To[i].Address
 			}
@@ -49,11 +50,11 @@ export default {
 			return '[ Undisclosed recipients ]'
 		},
 
-		isSelected: function (id) {
+		isSelected(id) {
 			return mailbox.selected.indexOf(id) != -1
 		},
 
-		toggleSelected: function (e, id) {
+		toggleSelected(e, id) {
 			e.preventDefault()
 
 			if (this.isSelected(id)) {
@@ -65,7 +66,7 @@ export default {
 			}
 		},
 
-		selectRange: function (e, id) {
+		selectRange(e, id) {
 			e.preventDefault()
 
 			let selecting = false
@@ -99,6 +100,20 @@ export default {
 				}
 			}
 		},
+
+		toTagUrl(t) {
+			if (t.match(/ /)) {
+				t = `"${t}"`
+			}
+			const p = {
+				q: 'tag:' + t
+			}
+			if (pagination.limit != pagination.defaultLimit) {
+				p.limit = pagination.limit.toString()
+			}
+			const params = new URLSearchParams(p)
+			return '/search?' + params.toString()
+		},
 	}
 }
 </script>
@@ -110,29 +125,27 @@ export default {
 				:id="message.ID"
 				class="row gx-1 message d-flex small list-group-item list-group-item-action border-start-0 border-end-0"
 				:class="message.Read ? 'read' : '', isSelected(message.ID) ? 'selected' : ''"
-				v-on:click.ctrl="toggleSelected($event, message.ID)" v-on:click.shift="selectRange($event, message.ID)">
+				@click.meta="toggleSelected($event, message.ID)" @click.ctrl="toggleSelected($event, message.ID)"
+				@click.shift="selectRange($event, message.ID)">
 				<div class="col-lg-3">
 					<div class="d-lg-none float-end text-muted text-nowrap small">
 						<i class="bi bi-paperclip h6 me-1" v-if="message.Attachments"></i>
 						{{ getRelativeCreated(message) }}
 					</div>
-					<div class="text-truncate d-lg-none privacy">
-						<span v-if="message.From" :title="'From: ' + message.From.Address">{{
-		message.From.Name ?
-			message.From.Name : message.From.Address
-	}}</span>
+					<div v-if="message.From" class="overflow-x-hidden">
+						<div class="text-truncate privacy">
+							<b :title="'From: ' + message.From.Address">
+								{{ message.From.Name ? message.From.Name : message.From.Address }}
+							</b>
+						</div>
 					</div>
-					<div class="text-truncate d-none d-lg-block privacy">
-						<b v-if="message.From" :title="'From: ' + message.From.Address">{{
-		message.From.Name ?
-			message.From.Name : message.From.Address
-	}}</b>
-					</div>
-					<div class="d-none d-lg-block text-truncate text-muted small privacy">
-						{{ getPrimaryEmailTo(message) }}
-						<span v-if="message.To && message.To.length > 1">
-							[+{{ message.To.length - 1 }}]
-						</span>
+					<div class="overflow-x-hidden">
+						<div class="text-truncate text-muted small privacy">
+							To: {{ getPrimaryEmailTo(message) }}
+							<span v-if="message.To && message.To.length > 1">
+								[+{{ message.To.length - 1 }}]
+							</span>
+						</div>
 					</div>
 				</div>
 				<div class="col-lg-6 col-xxl-7 mt-2 mt-lg-0">
@@ -143,7 +156,8 @@ export default {
 						{{ message.Snippet }}
 					</div>
 					<div v-if="message.Tags.length">
-						<RouterLink class="badge me-1" v-for="t in message.Tags" :to="'/search?q=' + tagEncodeURI(t)"
+						<RouterLink class="badge me-1" v-for="t in message.Tags" :to="toTagUrl(t)"
+							v-on:click="pagination.start = 0"
 							:style="mailbox.showTagColors ? { backgroundColor: colorHash(t) } : { backgroundColor: '#6c757d' }"
 							:title="'Filter messages tagged with ' + t">
 							{{ t }}

server/ui-src/components/NavMailbox.vue

@@ -30,30 +30,33 @@ export default {
 	},
 
 	methods: {
-		reloadInbox: function () {
-			pagination.start = 0
-			this.loadMessages()
+		reloadInbox() {
+			const paginationParams = this.getPaginationParams()
+			const reload = paginationParams?.start ? false : true
+
+			this.$router.push('/')
+			if (reload) {
+				// already on first page, reload messages
+				this.loadMessages()
+			}
 		},
 
-
-		loadMessages: function () {
+		loadMessages() {
 			this.hideNav() // hide mobile menu
 			this.$emit('loadMessages')
 		},
 
-		markAllRead: function () {
-			let self = this
-			self.put(self.resolve(`/api/v1/messages`), { 'read': true }, function (response) {
+		markAllRead() {
+			this.put(this.resolve(`/api/v1/messages`), { 'read': true }, (response) => {
 				window.scrollInPlace = true
-				self.loadMessages()
+				this.loadMessages()
 			})
 		},
 
-		deleteAllMessages: function () {
-			let self = this
-			self.delete(self.resolve(`/api/v1/messages`), false, function (response) {
+		deleteAllMessages() {
+			this.delete(this.resolve(`/api/v1/messages`), false, (response) => {
 				pagination.start = 0
-				self.loadMessages()
+				this.loadMessages()
 			})
 		}
 	}
@@ -62,7 +65,13 @@ export default {
 
 <template>
 	<template v-if="!modals">
-		<div class="list-group my-2">
+		<div class="text-center badge text-bg-primary py-2 my-2 w-100" v-if="mailbox.uiConfig.Label">
+			<div class="text-truncate fw-normal">
+				{{ mailbox.uiConfig.Label }}
+			</div>
+		</div>
+
+		<div class="list-group my-2" :class="mailbox.uiConfig.Label ? 'mt-0' : ''">
 			<button @click="reloadInbox" class="list-group-item list-group-item-action active">
 				<i class="bi bi-envelope-fill me-1" v-if="mailbox.connected"></i>
 				<i class="bi bi-arrow-clockwise me-1" v-else></i>
@@ -74,13 +83,23 @@ export default {
 			</button>
 
 			<template v-if="!mailbox.selected.length">
-				<button class="list-group-item list-group-item-action" data-bs-toggle="modal"
+				<button v-if="mailbox.skipConfirmations" class="list-group-item list-group-item-action"
+					:disabled="!mailbox.unread" @click="markAllRead">
+					<i class="bi bi-eye-fill me-1"></i>
+					Mark all read
+				</button>
+				<button v-else class="list-group-item list-group-item-action" data-bs-toggle="modal"
 					data-bs-target="#MarkAllReadModal" :disabled="!mailbox.unread">
 					<i class="bi bi-eye-fill me-1"></i>
 					Mark all read
 				</button>
 
-				<button class="list-group-item list-group-item-action" data-bs-toggle="modal"
+				<button v-if="mailbox.skipConfirmations" class="list-group-item list-group-item-action"
+					:disabled="!mailbox.total" @click="deleteAllMessages">
+					<i class="bi bi-trash-fill me-1 text-danger"></i>
+					Delete all
+				</button>
+				<button v-else class="list-group-item list-group-item-action" data-bs-toggle="modal"
 					data-bs-target="#DeleteAllModal" :disabled="!mailbox.total">
 					<i class="bi bi-trash-fill me-1 text-danger"></i>
 					Delete all
@@ -114,7 +133,8 @@ export default {
 			</div>
 		</div>
 
-		<div class="modal fade" id="DeleteAllModal" tabindex="-1" aria-labelledby="DeleteAllModalLabel" aria-hidden="true">
+		<div class="modal fade" id="DeleteAllModal" tabindex="-1" aria-labelledby="DeleteAllModalLabel"
+			aria-hidden="true">
 			<div class="modal-dialog">
 				<div class="modal-content">
 					<div class="modal-header">
@@ -122,8 +142,8 @@ export default {
 						<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
 					</div>
 					<div class="modal-body">
-						This will permanently delete {{ formatNumber(mailbox.count) }}
-						message<span v-if="mailbox.count > 1">s</span>.
+						This will permanently delete {{ formatNumber(mailbox.total) }}
+						message<span v-if="mailbox.total > 1">s</span>.
 					</div>
 					<div class="modal-footer">
 						<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>

server/ui-src/components/NavSearch.vue

@@ -30,22 +30,20 @@ export default {
 	},
 
 	methods: {
-		loadMessages: function () {
+		loadMessages() {
 			this.hideNav() // hide mobile menu
 			this.$emit('loadMessages')
 		},
 
-		deleteAllMessages: function () {
-			let s = this.getSearch()
+		deleteAllMessages() {
+			const s = this.getSearch()
 			if (!s) {
 				return
 			}
 
-			let self = this
-
-			let uri = this.resolve(`/api/v1/search`) + '?query=' + encodeURIComponent(s)
-			this.delete(uri, false, function (response) {
-				self.$router.push('/')
+			const uri = this.resolve(`/api/v1/search`) + '?query=' + encodeURIComponent(s)
+			this.delete(uri, false, (response) => {
+				this.$router.push('/')
 			})
 		}
 	}
@@ -54,7 +52,13 @@ export default {
 
 <template>
 	<template v-if="!modals">
-		<div class="list-group my-2">
+		<div class="text-center badge text-bg-primary py-2 my-2 w-100" v-if="mailbox.uiConfig.Label">
+			<div class="text-truncate fw-normal">
+				{{ mailbox.uiConfig.Label }}
+			</div>
+		</div>
+
+		<div class="list-group my-2" :class="mailbox.uiConfig.Label ? 'mt-0' : ''">
 			<RouterLink to="/" class="list-group-item list-group-item-action" @click="pagination.start = 0">
 				<i class="bi bi-arrow-return-left me-1"></i>
 				<span class="ms-1">Inbox</span>
@@ -64,7 +68,12 @@ export default {
 				</span>
 			</RouterLink>
 			<template v-if="!mailbox.selected.length">
-				<button class="list-group-item list-group-item-action" data-bs-toggle="modal"
+				<button v-if="mailbox.skipConfirmations" class="list-group-item list-group-item-action"
+					@click="deleteAllMessages" :disabled="!mailbox.count">
+					<i class="bi bi-trash-fill me-1 text-danger"></i>
+					Delete all
+				</button>
+				<button v-else class="list-group-item list-group-item-action" data-bs-toggle="modal"
 					data-bs-target="#DeleteAllModal" :disabled="!mailbox.count">
 					<i class="bi bi-trash-fill me-1 text-danger"></i>
 					Delete all
@@ -77,7 +86,8 @@ export default {
 
 	<template v-else>
 		<!-- Modals -->
-		<div class="modal fade" id="DeleteAllModal" tabindex="-1" aria-labelledby="DeleteAllModalLabel" aria-hidden="true">
+		<div class="modal fade" id="DeleteAllModal" tabindex="-1" aria-labelledby="DeleteAllModalLabel"
+			aria-hidden="true">
 			<div class="modal-dialog">
 				<div class="modal-content">
 					<div class="modal-header">

server/ui-src/components/NavSelected.vue

@@ -19,54 +19,52 @@ export default {
     },
 
     methods: {
-        loadMessages: function () {
+        loadMessages() {
             this.$emit('loadMessages')
         },
 
         // mark selected messages as read
-        markSelectedRead: function () {
-            let self = this
+        markSelectedRead() {
             if (!mailbox.selected.length) {
                 return false
             }
-            self.put(self.resolve(`/api/v1/messages`), { 'Read': true, 'IDs': mailbox.selected }, function (response) {
+            this.put(this.resolve(`/api/v1/messages`), { 'Read': true, 'IDs': mailbox.selected }, (response) => {
                 window.scrollInPlace = true
-                self.loadMessages()
+                this.loadMessages()
             })
         },
 
-        isSelected: function (id) {
+        isSelected(id) {
             return mailbox.selected.indexOf(id) != -1
         },
 
         // mark selected messages as unread
-        markSelectedUnread: function () {
-            let self = this
+        markSelectedUnread() {
             if (!mailbox.selected.length) {
                 return false
             }
-            self.put(self.resolve(`/api/v1/messages`), { 'Read': false, 'IDs': mailbox.selected }, function (response) {
+            this.put(this.resolve(`/api/v1/messages`), { 'Read': false, 'IDs': mailbox.selected }, (response) => {
                 window.scrollInPlace = true
-                self.loadMessages()
+                this.loadMessages()
             })
         },
 
         // universal handler to delete current or selected messages
-        deleteMessages: function () {
+        deleteMessages() {
             let ids = []
-            let self = this
             ids = JSON.parse(JSON.stringify(mailbox.selected))
             if (!ids.length) {
                 return false
             }
-            self.delete(self.resolve(`/api/v1/messages`), { 'IDs': ids }, function (response) {
+
+            this.delete(this.resolve(`/api/v1/messages`), { 'IDs': ids }, (response) => {
                 window.scrollInPlace = true
-                self.loadMessages()
+                this.loadMessages()
             })
         },
 
         // test if any selected emails are unread
-        selectedHasUnread: function () {
+        selectedHasUnread() {
             if (!mailbox.selected.length) {
                 return false
             }
@@ -79,7 +77,7 @@ export default {
         },
 
         // test of any selected emails are read
-        selectedHasRead: function () {
+        selectedHasRead() {
             if (!mailbox.selected.length) {
                 return false
             }

server/ui-src/components/NavTags.vue

@@ -6,44 +6,28 @@ import { pagination } from '../stores/pagination'
 export default {
 	mixins: [CommonMixins],
 
-	emits: ['loadMessages'],
-
 	data() {
 		return {
 			mailbox,
+			pagination,
 		}
 	},
 
 	methods: {
-		// if the current filter is active then reload view
-		reloadFilter: function (tag) {
-			const urlParams = new URLSearchParams(window.location.search)
-			const query = urlParams.get('q')
-			if (!query) {
-				return false
-			}
-
-			let re = new RegExp(`^tag:"?${tag}"?$`, 'i')
-			if (query.match(re)) {
-				pagination.start = 0
-				this.$emit('loadMessages')
-			}
-		},
-
 		// test whether a tag is currently being searched for (in the URL)
-		inSearch: function (tag) {
+		inSearch(tag) {
 			const urlParams = new URLSearchParams(window.location.search)
 			const query = urlParams.get('q')
 			if (!query) {
 				return false
 			}
 
-			let re = new RegExp(`(^|\\s)tag:"?${tag}"?($|\\s)`, 'i')
+			let re = new RegExp(`(^|\\s)tag:("${tag}"|${tag}\\b)`, 'i')
 			return query.match(re)
 		},
 
 		// toggle a tag search in the search URL, add or remove it accordingly
-		toggleTag: function (e, tag) {
+		toggleTag(e, tag) {
 			e.preventDefault()
 
 			const urlParams = new URLSearchParams(window.location.search)
@@ -67,9 +51,28 @@ export default {
 			if (query == '') {
 				this.$router.push('/')
 			} else {
-				this.$router.push('/search?q=' + encodeURIComponent(query))
+				const params = new URLSearchParams({
+					q: query,
+					start: pagination.start.toString(),
+					limit: pagination.limit.toString(),
+				})
+				this.$router.push('/search?' + params.toString())
 			}
-		}
+		},
+
+		toTagUrl(t) {
+			if (t.match(/ /)) {
+				t = `"${t}"`
+			}
+			const p = {
+				q: 'tag:' + t
+			}
+			if (pagination.limit != pagination.defaultLimit) {
+				p.limit = pagination.limit.toString()
+			}
+			const params = new URLSearchParams(p)
+			return '/search?' + params.toString()
+		},
 	}
 }
 </script>
@@ -77,10 +80,15 @@ export default {
 <template>
 	<template v-if="mailbox.tags && mailbox.tags.length">
 		<div class="mt-4 text-muted">
-			<button class="btn btn-sm dropdown-toggle ms-n1" data-bs-toggle="dropdown" aria-expanded="false">
+			<button class="btn btn-sm dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
 				Tags
 			</button>
 			<ul class="dropdown-menu dropdown-menu-end">
+				<li>
+					<button class="dropdown-item" data-bs-toggle="modal" data-bs-target="#EditTagsModal">
+						Edit tags
+					</button>
+				</li>
 				<li>
 					<button class="dropdown-item" @click="mailbox.showTagColors = !mailbox.showTagColors">
 						<template v-if="mailbox.showTagColors">Hide</template>
@@ -90,9 +98,9 @@ export default {
 				</li>
 			</ul>
 		</div>
-		<div class="list-group mt-1 mb-5 pb-3">
-			<RouterLink v-for="tag in mailbox.tags" :to="'/search?q=' + tagEncodeURI(tag)" @click="hideNav"
-				v-on:click="reloadFilter(tag)" v-on:click.ctrl="toggleTag($event, tag)"
+		<div class="list-group mt-1 mb-2">
+			<RouterLink v-for="tag in mailbox.tags" :to="toTagUrl(tag)" @click.exact="hideNav"
+				@click="pagination.start = 0" @click.meta="toggleTag($event, tag)" @click.ctrl="toggleTag($event, tag)"
 				:style="mailbox.showTagColors ? { borderLeftColor: colorHash(tag), borderLeftWidth: '4px' } : ''"
 				class="list-group-item list-group-item-action small px-2" :class="inSearch(tag) ? 'active' : ''">
 				<i class="bi bi-tag-fill" v-if="inSearch(tag)"></i>

server/ui-src/components/Notifications.vue

@@ -7,6 +7,9 @@ import { pagination } from '../stores/pagination'
 export default {
 	mixins: [CommonMixins],
 
+	// global event bus to handle message status changes
+	inject: ["eventBus"],
+
 	data() {
 		return {
 			pagination,
@@ -14,33 +17,38 @@ export default {
 			toastMessage: false,
 			reconnectRefresh: false,
 			socketURI: false,
+			socketLastConnection: 0, // timestamp to track reconnection times & avoid reloading mailbox on short disconnections
+			socketBreaks: 0, // to track sockets that continually connect & disconnect, reset every 15s
 			pauseNotifications: false, // prevent spamming
-			version: false
+			version: false,
+			clientErrors: [], // errors received via websocket 
 		}
 	},
 
 	mounted() {
-		let d = document.getElementById('app')
+		const d = document.getElementById('app')
 		if (d) {
 			this.version = d.dataset.version
 		}
 
-		let proto = location.protocol == 'https:' ? 'wss' : 'ws'
+		const proto = location.protocol == 'https:' ? 'wss' : 'ws'
 		this.socketURI = proto + "://" + document.location.host + this.resolve(`/api/events`)
 
+		this.socketBreakReset()
 		this.connect()
 
 		mailbox.notificationsSupported = window.isSecureContext
 			&& ("Notification" in window && Notification.permission !== "denied")
 		mailbox.notificationsEnabled = mailbox.notificationsSupported && Notification.permission == "granted"
+
+		this.errorNotificationCron()
 	},
 
 	methods: {
 		// websocket connect
-		connect: function () {
-			let ws = new WebSocket(this.socketURI)
-			let self = this
-			ws.onmessage = function (e) {
+		connect() {
+			const ws = new WebSocket(this.socketURI)
+			ws.onmessage = (e) => {
 				let response
 				try {
 					response = JSON.parse(e.data)
@@ -50,18 +58,7 @@ export default {
 
 				// new messages
 				if (response.Type == "new" && response.Data) {
-					if (!mailbox.searching) {
-						if (pagination.start < 1) {
-							// push results directly into first page
-							mailbox.messages.unshift(response.Data)
-							if (mailbox.messages.length > pagination.limit) {
-								mailbox.messages.pop()
-							}
-						} else {
-							// update pagination offset
-							pagination.start++
-						}
-					}
+					this.eventBus.emit("new", response.Data)
 
 					for (let i in response.Data.Tags) {
 						if (mailbox.tags.findIndex(e => { return e.toLowerCase() === response.Data.Tags[i].toLowerCase() }) < 0) {
@@ -73,46 +70,84 @@ export default {
 					}
 
 					// send notifications
-					if (!self.pauseNotifications) {
-						self.pauseNotifications = true
+					if (!this.pauseNotifications) {
+						this.pauseNotifications = true
 						let from = response.Data.From != null ? response.Data.From.Address : '[unknown]'
-						self.browserNotify("New mail from: " + from, response.Data.Subject)
-						self.setMessageToast(response.Data)
+						this.browserNotify("New mail from: " + from, response.Data.Subject)
+						this.setMessageToast(response.Data)
 						// delay notifications by 2s
-						window.setTimeout(() => { self.pauseNotifications = false }, 2000)
+						window.setTimeout(() => { this.pauseNotifications = false }, 2000)
 					}
 				} else if (response.Type == "prune") {
 					// messages have been deleted, reload messages to adjust
 					window.scrollInPlace = true
 					mailbox.refresh = true // trigger refresh
 					window.setTimeout(() => { mailbox.refresh = false }, 500)
+					this.eventBus.emit("prune");
 				} else if (response.Type == "stats" && response.Data) {
 					// refresh mailbox stats
 					mailbox.total = response.Data.Total
 					mailbox.unread = response.Data.Unread
 
 					// detect version updated, refresh is needed
-					if (self.version != response.Data.Version) {
+					if (this.version != response.Data.Version) {
 						location.reload()
 					}
+				} else if (response.Type == "delete" && response.Data) {
+					// broadcast for components
+					this.eventBus.emit("delete", response.Data)
+				} else if (response.Type == "update" && response.Data) {
+					// broadcast for components
+					this.eventBus.emit("update", response.Data)
+				} else if (response.Type == "truncate") {
+					// broadcast for components
+					this.eventBus.emit("truncate")
+				} else if (response.Type == "error") {
+					// broadcast for components
+					this.addClientError(response.Data)
 				}
 			}
 
-			ws.onopen = function () {
+			ws.onopen = () => {
 				mailbox.connected = true
-				if (self.reconnectRefresh) {
-					self.reconnectRefresh = false
+				this.socketLastConnection = Date.now()
+				if (this.reconnectRefresh) {
+					this.reconnectRefresh = false
 					mailbox.refresh = true // trigger refresh
 					window.setTimeout(() => { mailbox.refresh = false }, 500)
 				}
 			}
 
-			ws.onclose = function (e) {
-				mailbox.connected = false
-				self.reconnectRefresh = true
+			ws.onclose = (e) => {
+				if (this.socketLastConnection == 0) {
+					// connection failed immediately after connecting to Mailpit implies proxy websockets aren't configured
+					console.log('Unable to connect to websocket, disabling websocket support')
+					return
+				}
 
-				setTimeout(function () {
-					self.connect() // reconnect
+				if (mailbox.connected) {
+					// count disconnections
+					this.socketBreaks++
+				}
+
+				// set disconnected state
+				mailbox.connected = false
+
+				if (this.socketBreaks > 3) {
+					// give up after > 3 successful socket connections & disconnections within a 15 second window,
+					// something is not working right on their end, see issue #319
+					console.log('Unstable websocket connection, disabling websocket support')
+					return
+				}
+				if (Date.now() - this.socketLastConnection > 5000) {
+					// only refresh mailbox if the last successful connection was broken for > 5 seconds
+					this.reconnectRefresh = true
+				} else {
+					this.reconnectRefresh = false
+				}
+
+				setTimeout(() => {
+					this.connect() // reconnect
 				}, 1000)
 			}
 
@@ -121,13 +156,19 @@ export default {
 			}
 		},
 
-		browserNotify: function (title, message) {
+		socketBreakReset() {
+			window.setTimeout(() => {
+				this.socketBreaks = 0
+				this.socketBreakReset()
+			}, 15000)
+		},
+
+		browserNotify(title, message) {
 			if (!("Notification" in window)) {
 				return
 			}
 
 			if (Notification.permission === "granted") {
-				let b = message.Subject
 				let options = {
 					body: message,
 					icon: this.resolve('/notification.png')
@@ -136,7 +177,7 @@ export default {
 			}
 		},
 
-		setMessageToast: function (m) {
+		setMessageToast(m) {
 			// don't display if browser notifications are enabled, or a toast is already displayed
 			if (mailbox.notificationsEnabled || this.toastMessage) {
 				return
@@ -144,29 +185,59 @@ export default {
 
 			this.toastMessage = m
 
-			let self = this
-			let el = document.getElementById('messageToast')
+			const el = document.getElementById('messageToast')
 			if (el) {
 				el.addEventListener('hidden.bs.toast', () => {
-					self.toastMessage = false
+					this.toastMessage = false
 				})
 
 				Toast.getOrCreateInstance(el).show()
 			}
 		},
 
-		closeToast: function () {
-			let el = document.getElementById('messageToast')
+		closeToast() {
+			const el = document.getElementById('messageToast')
 			if (el) {
 				Toast.getOrCreateInstance(el).hide()
 			}
 		},
+
+		addClientError(d) {
+			d.expire = Date.now() + 5000 // expire after 5s
+			this.clientErrors.push(d)
+		},
+
+		errorNotificationCron() {
+			window.setTimeout(() => {
+				this.clientErrors.forEach((err, idx) => {
+					if (err.expire < Date.now()) {
+						this.clientErrors.splice(idx, 1)
+					}
+				})
+				this.errorNotificationCron()
+			}, 1000)
+		}
 	},
 }
 </script>
 
 <template>
 	<div class="toast-container position-fixed bottom-0 end-0 p-3">
+		<div v-for="error in clientErrors" class="toast show" role="alert" aria-live="assertive" aria-atomic="true">
+			<div class="toast-header">
+				<svg class="bd-placeholder-img rounded me-2" width="20" height="20" xmlns="http://www.w3.org/2000/svg"
+					aria-hidden="true" preserveAspectRatio="xMidYMid slice" focusable="false">
+					<rect width="100%" height="100%" :fill="error.Level == 'warning' ? '#ffc107' : '#dc3545'"></rect>
+				</svg>
+				<strong class="me-auto">{{ error.Type }}</strong>
+				<small class="text-body-secondary">{{ error.IP }}</small>
+				<button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
+			</div>
+			<div class="toast-body">
+				{{ error.Message }}
+			</div>
+		</div>
+
 		<div id="messageToast" class="toast" role="alert" aria-live="assertive" aria-atomic="true">
 			<div class="toast-header" v-if="toastMessage">
 				<i class="bi bi-envelope-exclamation-fill me-2"></i>

server/ui-src/components/Pagination.vue

@@ -1,7 +1,7 @@
 <script>
 import CommonMixins from '../mixins/CommonMixins'
 import { mailbox } from '../stores/mailbox'
-import { pagination } from '../stores/pagination'
+import { limitOptions, pagination } from '../stores/pagination'
 
 export default {
 
@@ -11,26 +11,25 @@ export default {
 		total: Number,
 	},
 
-	emits: ['loadMessages'],
-
 	data() {
 		return {
 			pagination,
 			mailbox,
+			limitOptions,
 		}
 	},
 
 	computed: {
-		canPrev: function () {
+		canPrev() {
 			return pagination.start > 0
 		},
 
-		canNext: function () {
+		canNext() {
 			return this.total > (pagination.start + mailbox.messages.length)
 		},
 
 		// returns the number of next X messages
-		nextMessages: function () {
+		nextMessages() {
 			let t = pagination.start + parseInt(pagination.limit, 10)
 			if (t > this.total) {
 				t = this.total
@@ -41,23 +40,42 @@ export default {
 	},
 
 	methods: {
-		changeLimit: function () {
+		changeLimit() {
 			pagination.start = 0
-			this.$emit('loadMessages')
+			this.updateQueryParams()
 		},
 
-		viewNext: function () {
+		viewNext() {
 			pagination.start = parseInt(pagination.start, 10) + parseInt(pagination.limit, 10)
-			this.$emit('loadMessages')
+			this.updateQueryParams()
 		},
 
-		viewPrev: function () {
+		viewPrev() {
 			let s = pagination.start - pagination.limit
 			if (s < 0) {
 				s = 0
 			}
 			pagination.start = s
-			this.$emit('loadMessages')
+			this.updateQueryParams()
+		},
+
+		updateQueryParams() {
+			const path = this.$route.path
+			const p = {
+				...this.$route.query
+			}
+			if (pagination.start > 0) {
+				p.start = pagination.start.toString()
+			} else {
+				delete p.start
+			}
+			if (pagination.limit != pagination.defaultLimit) {
+				p.limit = pagination.limit.toString()
+			} else {
+				delete p.limit
+			}
+			const params = new URLSearchParams(p)
+			this.$router.push(path + '?' + params.toString())
 		},
 	}
 }
@@ -66,10 +84,7 @@ export default {
 <template>
 	<select v-model="pagination.limit" @change="changeLimit" class="form-select form-select-sm d-inline w-auto me-2"
 		:disabled="total == 0">
-		<option value="25">25</option>
-		<option value="50">50</option>
-		<option value="100">100</option>
-		<option value="200">200</option>
+		<option v-for="option in limitOptions" :key="option" :value="option">{{ option }}</option>
 	</select>
 
 	<small>

server/ui-src/components/SearchForm.vue

@@ -24,29 +24,40 @@ export default {
 	},
 
 	methods: {
-		searchFromURL: function () {
+		searchFromURL() {
 			const urlParams = new URLSearchParams(window.location.search)
 			this.search = urlParams.get('q') ? urlParams.get('q') : ''
 		},
 
-		doSearch: function (e) {
+		doSearch(e) {
 			pagination.start = 0
 			if (this.search == '') {
 				this.$router.push('/')
 			} else {
 				const urlParams = new URLSearchParams(window.location.search)
-				let curr = urlParams.get('q')
+				const curr = urlParams.get('q')
 				if (curr && curr == this.search) {
 					pagination.start = 0
 					this.$emit('loadMessages')
 				}
-				this.$router.push('/search?q=' + encodeURIComponent(this.search))
+				const p = {
+					q: this.search
+				}
+				if (pagination.start > 0) {
+					p.start = pagination.start.toString()
+				}
+				if (pagination.limit != pagination.defaultLimit) {
+					p.limit = pagination.limit.toString()
+				}
+
+				const params = new URLSearchParams(p)
+				this.$router.push('/search?' + params.toString())
 			}
 
 			e.preventDefault()
 		},
 
-		resetSearch: function () {
+		resetSearch() {
 			this.search = ''
 			this.$router.push('/')
 		}

server/ui-src/components/Settings.vue

@@ -12,18 +12,36 @@ export default {
 			mailbox,
 			theme: localStorage.getItem('theme') ? localStorage.getItem('theme') : 'auto',
 			timezones,
+			chaosConfig: false,
+			chaosUpdated: false,
 		}
 	},
 
 	watch: {
-		theme: function(v) {
+		theme(v) {
 			if (v == 'auto') {
 				localStorage.removeItem('theme')
 			} else {
 				localStorage.setItem('theme', v)
 			}
 			this.setTheme()
+		},
+
+		chaosConfig: {
+			handler() {
+				this.chaosUpdated = true
+			},
+			deep: true
+		},
+
+		'mailbox.skipConfirmations'(v) {
+			if (v) {
+				localStorage.setItem('skip-confirmations', 'true')
+			} else {
+				localStorage.removeItem('skip-confirmations')
+			}
 		}
+
 	},
 
 	mounted() {
@@ -31,10 +49,12 @@ export default {
 		this.$nextTick(function () {
 			Tags.init('select.tz')
 		})
+
+		mailbox.skipConfirmations = localStorage.getItem('skip-confirmations') ? true : false
 	},
 
 	methods: {
-		setTheme: function () {
+		setTheme() {
 			if (
 				this.theme === 'auto' &&
 				window.matchMedia('(prefers-color-scheme: dark)').matches
@@ -44,6 +64,24 @@ export default {
 				document.documentElement.setAttribute('data-bs-theme', this.theme)
 			}
 		},
+
+		loadChaos() {
+			this.get(this.resolve('/api/v1/chaos'), null, (response) => {
+				this.chaosConfig = response.data
+				this.$nextTick(() => {
+					this.chaosUpdated = false
+				})
+			})
+		},
+
+		saveChaos() {
+			this.put(this.resolve('/api/v1/chaos'), this.chaosConfig, (response) => {
+				this.chaosConfig = response.data
+				this.$nextTick(() => {
+					this.chaosUpdated = false
+				})
+			})
+		}
 	}
 }
 </script>
@@ -54,64 +92,199 @@ export default {
 		<div class="modal-dialog modal-lg">
 			<div class="modal-content">
 				<div class="modal-header">
-					<h5 class="modal-title" id="SettingsModalLabel">Mailpit UI settings</h5>
+					<h5 class="modal-title" id="SettingsModalLabel">Mailpit settings</h5>
 					<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
 				</div>
 				<div class="modal-body">
-					<div class="mb-3">
-						<label for="theme" class="form-label">Mailpit theme</label>
-						<select class="form-select" v-model="theme" id="theme">
-							<option value="auto">Auto (detect from browser)</option>
-							<option value="light">Light theme</option>
-							<option value="dark">Dark theme</option>
-						</select>
-					</div>
-					<div class="mb-3">
-						<label for="timezone" class="form-label">Timezone (for date searches)</label>
-						<select class="form-select tz" v-model="mailbox.timeZone" id="timezone">
-							<option disabled hidden value="">Select a timezone...</option>
-							<option v-for="t in timezones" :value="t.tzCode">{{ t.label }}</option>
-						</select>
-					</div>
-					<div class="mb-3">
-						<div class="form-check form-switch">
-							<input class="form-check-input" type="checkbox" role="switch" id="tagColors"
-								v-model="mailbox.showTagColors">
-							<label class="form-check-label" for="tagColors">
-								Use auto-generated tag colors
-							</label>
+					<ul class="nav nav-tabs" id="myTab" role="tablist" v-if="mailbox.uiConfig.ChaosEnabled">
+						<li class="nav-item" role="presentation">
+							<button class="nav-link active" id="ui-tab" data-bs-toggle="tab"
+								data-bs-target="#ui-tab-pane" type="button" role="tab" aria-controls="ui-tab-pane"
+								aria-selected="true">Web UI</button>
+						</li>
+						<li class="nav-item" role="presentation">
+							<button class="nav-link" id="chaos-tab" data-bs-toggle="tab"
+								data-bs-target="#chaos-tab-pane" type="button" role="tab" aria-controls="chaos-tab-pane"
+								aria-selected="false" @click="loadChaos">Chaos</button>
+						</li>
+					</ul>
+
+					<div class="tab-content">
+						<div class="tab-pane fade show active" id="ui-tab-pane" role="tabpanel" aria-labelledby="ui-tab"
+							tabindex="0">
+							<div class="my-3">
+								<label for="theme" class="form-label">Mailpit theme</label>
+								<select class="form-select" v-model="theme" id="theme">
+									<option value="auto">Auto (detect from browser)</option>
+									<option value="light">Light theme</option>
+									<option value="dark">Dark theme</option>
+								</select>
+							</div>
+							<div class="mb-3">
+								<label for="timezone" class="form-label">Timezone (for date searches)</label>
+								<select class="form-select tz" v-model="mailbox.timeZone" id="timezone"
+									data-allow-same="true">
+									<option disabled hidden value="">Select a timezone...</option>
+									<option v-for="t in timezones" :value="t.tzCode">{{ t.label }}</option>
+								</select>
+							</div>
+							<div class="mb-3">
+								<div class="form-check form-switch">
+									<input class="form-check-input" type="checkbox" role="switch" id="tagColors"
+										v-model="mailbox.showTagColors">
+									<label class="form-check-label" for="tagColors">
+										Use auto-generated tag colors
+									</label>
+								</div>
+							</div>
+							<div class="mb-3">
+								<div class="form-check form-switch">
+									<input class="form-check-input" type="checkbox" role="switch" id="htmlCheck"
+										v-model="mailbox.showHTMLCheck">
+									<label class="form-check-label" for="htmlCheck">
+										Show HTML check message tab
+									</label>
+								</div>
+							</div>
+							<div class="mb-3">
+								<div class="form-check form-switch">
+									<input class="form-check-input" type="checkbox" role="switch" id="linkCheck"
+										v-model="mailbox.showLinkCheck">
+									<label class="form-check-label" for="linkCheck">
+										Show link check message tab
+									</label>
+								</div>
+							</div>
+							<div class="mb-3" v-if="mailbox.uiConfig.SpamAssassin">
+								<div class="form-check form-switch">
+									<input class="form-check-input" type="checkbox" role="switch" id="spamCheck"
+										v-model="mailbox.showSpamCheck">
+									<label class="form-check-label" for="spamCheck">
+										Show spam check message tab
+									</label>
+								</div>
+							</div>
+							<div class="mb-3">
+								<div class="form-check form-switch">
+									<input class="form-check-input" type="checkbox" role="switch"
+										id="skip-confirmations" v-model="mailbox.skipConfirmations">
+									<label class="form-check-label" for="skip-confirmations">
+										Skip <code>Delete all</code> &amp; <code>Mark all read</code> confirmation
+										dialogs
+									</label>
+								</div>
+							</div>
 						</div>
-					</div>
-					<div class="mb-3">
-						<div class="form-check form-switch">
-							<input class="form-check-input" type="checkbox" role="switch" id="htmlCheck"
-								v-model="mailbox.showHTMLCheck">
-							<label class="form-check-label" for="htmlCheck">
-								Show HTML check message tab
-							</label>
+
+						<div class="tab-pane fade" id="chaos-tab-pane" role="tabpanel" aria-labelledby="chaos-tab"
+							tabindex="0" v-if="mailbox.uiConfig.ChaosEnabled">
+							<p class="my-3">
+								<b>Chaos</b> allows you to set random SMTP failures and response codes at various
+								stages in a SMTP transaction to test application resilience
+								(<a href="https://mailpit.axllent.org/docs/integration/chaos/" target="_blank">
+									see documentation
+								</a>).
+							</p>
+
+							<ul>
+								<li>
+									<code>Response code</code> is the SMTP error code returned by the server if this
+									error is triggered. Error codes must range between 400 and 599.
+								</li>
+								<li>
+									<code>Error probability</code> is the % chance that the error will occur per message
+									delivery, where <code>0</code>(%) is disabled and <code>100</code>(%) wil always
+									trigger. A probability of <code>50</code> will trigger on approximately 50% of
+									messages received.
+								</li>
+							</ul>
+
+							<template v-if="chaosConfig">
+								<div class="mt-4 mb-4" :class="chaosUpdated ? 'was-validated' : ''">
+									<div class="mb-4">
+										<label>Trigger: <code>Sender</code></label>
+										<div class="form-text">
+											Trigger an error response based on the sender (From / Sender).
+										</div>
+										<div class="row mt-1">
+											<div class="col">
+												<label class="form-label">
+													Response code
+												</label>
+												<input type="number" class="form-control"
+													v-model.number="chaosConfig.Sender.ErrorCode" min="400" max="599"
+													required>
+											</div>
+											<div class="col">
+												<label class="form-label">
+													Error probability ({{ chaosConfig.Sender.Probability }}%)
+												</label>
+												<input type="range" class="form-range mt-1" min="0" max="100"
+													v-model.number="chaosConfig.Sender.Probability">
+											</div>
+										</div>
+									</div>
+
+									<div class="mb-4">
+										<label>Trigger: <code>Recipient</code></label>
+										<div class="form-text">
+											Trigger an error response based on the recipients (To, Cc, Bcc).
+										</div>
+										<div class="row mt-1">
+											<div class="col">
+												<label class="form-label">
+													Response code
+												</label>
+												<input type="number" class="form-control"
+													v-model.number="chaosConfig.Recipient.ErrorCode" min="400" max="599"
+													required>
+											</div>
+											<div class="col">
+												<label class="form-label">
+													Error probability ({{ chaosConfig.Recipient.Probability }}%)
+												</label>
+												<input type="range" class="form-range mt-1" min="0" max="100"
+													v-model.number="chaosConfig.Recipient.Probability">
+											</div>
+										</div>
+									</div>
+
+									<div class="mb-4">
+										<label>Trigger: <code>Authentication</code></label>
+										<div class="form-text">
+											Trigger an authentication error response.
+											Note that SMTP authentication must be configured too.
+										</div>
+										<div class="row mt-1">
+											<div class="col">
+												<label class="form-label">
+													Response code
+												</label>
+												<input type="number" class="form-control"
+													v-model.number="chaosConfig.Authentication.ErrorCode" min="400"
+													max="599" required>
+											</div>
+											<div class="col">
+												<label class="form-label">
+													Error probability ({{ chaosConfig.Authentication.Probability }}%)
+												</label>
+												<input type="range" class="form-range mt-1" min="0" max="100"
+													v-model.number="chaosConfig.Authentication.Probability">
+											</div>
+										</div>
+									</div>
+								</div>
+
+								<div v-if="chaosUpdated" class="mb-3 text-center">
+									<button class="btn btn-success" @click="saveChaos">Update Chaos</button>
+								</div>
+							</template>
 						</div>
+
 					</div>
-					<div class="mb-3">
-						<div class="form-check form-switch">
-							<input class="form-check-input" type="checkbox" role="switch" id="linkCheck"
-								v-model="mailbox.showLinkCheck">
-							<label class="form-check-label" for="linkCheck">
-								Show link check message tab
-							</label>
-						</div>
+					<div class="modal-footer">
+						<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Close</button>
 					</div>
-					<div class="mb-3" v-if="mailbox.uiConfig.SpamAssassin">
-						<div class="form-check form-switch">
-							<input class="form-check-input" type="checkbox" role="switch" id="spamCheck"
-								v-model="mailbox.showSpamCheck">
-							<label class="form-check-label" for="spamCheck">
-								Show spam check message tab
-							</label>
-						</div>
-					</div>
-				</div>
-				<div class="modal-footer">
-					<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Close</button>
 				</div>
 			</div>
 		</div>

server/ui-src/components/message/Attachments.vue

@@ -1,6 +1,7 @@
-
 <script>
 import commonMixins from '../../mixins/CommonMixins'
+import ICAL from "ical.js"
+import dayjs from 'dayjs'
 
 export default {
 	props: {
@@ -8,16 +9,72 @@ export default {
 		attachments: Object
 	},
 
-	mixins: [commonMixins]
+	mixins: [commonMixins],
+
+	data() {
+		return {
+			ical: false
+		}
+	},
+
+	methods: {
+		openAttachment(part, e) {
+			let filename = part.FileName
+			let contentType = part.ContentType
+			let href = this.resolve('/api/v1/message/' + this.message.ID + '/part/' + part.PartID)
+			if (filename.match(/\.ics$/i) || contentType == 'text/calendar') {
+				e.preventDefault()
+
+				this.get(href, null, (response) => {
+					let comp = new ICAL.Component(ICAL.parse(response.data))
+					let vevent = comp.getFirstSubcomponent('vevent')
+					if (!vevent) {
+						alert('Error parsing ICS file')
+						return
+					}
+					let event = new ICAL.Event(vevent)
+
+					let summary = {}
+					summary.link = href
+					summary.status = vevent.getFirstPropertyValue('status')
+					summary.url = vevent.getFirstPropertyValue('url')
+					summary.summary = event.summary
+					summary.description = event.description
+					summary.location = event.location
+					summary.start = dayjs(event.startDate).format('ddd, D MMM YYYY, h:mm a')
+					summary.end = dayjs(event.endDate).format('ddd, D MMM YYYY, h:mm a')
+					summary.isRecurring = event.isRecurring()
+					summary.organizer = event.organizer ? event.organizer.replace(/^mailto:/, '') : false
+					summary.attendees = []
+					event.attendees.forEach((a) => {
+						if (a.jCal[1].cn) {
+							summary.attendees.push(a.jCal[1].cn)
+						}
+					})
+
+					comp.getAllSubcomponents("vtimezone").forEach((vtimezone) => {
+						summary.timezone = vtimezone.getFirstPropertyValue("tzid")
+					})
+
+					this.ical = summary
+
+					// display modal
+					this.modal('ICSView').show()
+				})
+			}
+		}
+	},
 }
 </script>
 
 <template>
 	<div class="mt-4 border-top pt-4">
 		<a v-for="part in attachments" :href="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID)"
-			class="card attachment float-start me-3 mb-3" target="_blank" style="width: 180px">
-			<img v-if="isImage(part)" :src="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID + '/thumb')"
-				class="card-img-top" alt="">
+			class="card attachment float-start me-3 mb-3" target="_blank" style="width: 180px"
+			@click="openAttachment(part, $event)">
+			<img v-if="isImage(part)"
+				:src="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID + '/thumb')" class="card-img-top"
+				alt="">
 			<img v-else
 				src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALQAAAB4AQMAAABhKUq+AAAAA1BMVEX///+nxBvIAAAAGUlEQVQYGe3BgQAAAADDoPtTT+EA1QAAgFsLQAAB12s2WgAAAABJRU5ErkJggg=="
 				class="card-img-top" alt="">
@@ -30,12 +87,79 @@ export default {
 					<small>{{ getFileSize(part.Size) }}</small>
 				</p>
 				<p class="card-text mb-0 small">
-					{{ part.FileName != '' ? part.FileName : '[ unknown ]' }}
+					{{ part.FileName != '' ? part.FileName : '[ unknown ]' + part.ContentType }}
 				</p>
 			</div>
 			<div class="card-footer small border-0 text-center text-truncate">
-				{{ part.FileName != '' ? part.FileName : '[ unknown ]' }}
+				{{ part.FileName != '' ? part.FileName : '[ unknown ]' + part.ContentType }}
 			</div>
 		</a>
 	</div>
+
+	<div class="modal fade" id="ICSView" tabindex="-1" aria-hidden="true">
+		<div class="modal-dialog modal-dialog-centered modal-dialog-scrollable modal-lg">
+			<div class="modal-content">
+				<div class="modal-header">
+					<h5 class="modal-title fs-5">
+						<i class="bi bi-calendar-event me-2"></i>
+						iCalendar summary
+					</h5>
+					<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+				</div>
+				<div class="modal-body" v-if="ical">
+					<table class="table">
+						<tbody>
+							<tr v-if="ical.summary">
+								<th>Summary</th>
+								<td>{{ ical.summary }}</td>
+							</tr>
+							<tr v-if="ical.description">
+								<th>Description</th>
+								<td>{{ ical.description }}</td>
+							</tr>
+							<tr>
+								<th>When</th>
+								<td>
+									{{ ical.start }} &mdash; {{ ical.end }}
+									<span v-if="ical.isRecurring">(recurring)</span>
+								</td>
+							</tr>
+							<tr v-if="ical.status">
+								<th>Status</th>
+								<td> {{ ical.status }}</td>
+							</tr>
+							<tr v-if="ical.location">
+								<th>Location</th>
+								<td>{{ ical.location }}</td>
+							</tr>
+							<tr v-if="ical.url">
+								<th>URL</th>
+								<td><a :href="ical.url" target="_blank">{{ ical.url }}</a></td>
+							</tr>
+							<tr v-if="ical.organizer">
+								<th>Organizer</th>
+								<td>{{ ical.organizer }}</td>
+							</tr>
+							<tr v-if="ical.attendees.length">
+								<th>Attendees</th>
+								<td>
+									<span v-for="(a, i) in ical.attendees">
+										<template v-if="i > 0">,</template>
+										{{ a }}
+									</span>
+								</td>
+							</tr>
+						</tbody>
+					</table>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+					<a class="btn btn-primary" target="_blank" :href="ical.link">
+						Download attachment
+					</a>
+				</div>
+			</div>
+		</div>
+	</div>
+
 </template>