Merge branch 'release/v1.13.0'

Release v1.12.1

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

@@ -10,7 +10,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v8.0.0
+      - uses: actions/stale@v9.0.0
         with:
           days-before-issue-stale: 14
           days-before-issue-close: 7

.github/workflows/codeql-analysis.yml

@@ -42,7 +42,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@v3
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -56,7 +56,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@v3
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -69,4 +69,4 @@ jobs:
     #   ./location_of_script_within_repo/buildscript.sh
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@v3

.github/workflows/release-build.yml

@@ -33,7 +33,7 @@ jobs:
     - run: npm run package
 
     # build the binaries
-    - uses: wangyoucao577/go-release-action@v1.40
+    - uses: wangyoucao577/go-release-action@v1.41
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         goos: ${{ matrix.goos }}

.github/workflows/tests.yml

@@ -9,12 +9,13 @@ jobs:
     strategy:
       matrix:
         go-version: [1.21.x]
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/setup-go@v4
+    - uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
+        cache: false
     - uses: actions/checkout@v4
     - name: Run Go tests
       uses: actions/cache@v3
@@ -30,15 +31,19 @@ jobs:
     
     # build the assets
     - name: Build web UI
+      if: startsWith(matrix.os, 'ubuntu') == true
       uses: actions/setup-node@v4
       with:
         node-version: 18
         cache: 'npm'
-    - run: npm install
-    - run: npm run package
+    - if: startsWith(matrix.os, 'ubuntu') == true
+      run: npm install
+    - if: startsWith(matrix.os, 'ubuntu') == true
+      run: npm run package
 
     # validate the swagger file
     - name: Validate OpenAPI definition
+      if: startsWith(matrix.os, 'ubuntu') == true
       uses: char0n/swagger-editor-validate@v1
       with:
         definition-file: server/ui/api/v1/swagger.json

CHANGELOG.md

@@ -2,6 +2,99 @@
 
 Notable changes to Mailpit will be documented in this file.
 
+## [v1.13.0]
+
+### Chore
+- Compress compiled assets with `npm run build`
+- Update Go modules
+- Update node modules
+
+### Feature
+- Add option to disable SMTP reverse DNS (rDNS) lookup ([#230](https://github.com/axllent/mailpit/issues/230))
+- Display List-Unsubscribe & List-Unsubscribe-Post header info with syntax validation ([#236](https://github.com/axllent/mailpit/issues/236))
+- Add optional SpamAssassin integration to display scores ([#233](https://github.com/axllent/mailpit/issues/233))
+
+### Fix
+- Display multiple whitespace characters in message subject & recipient names ([#238](https://github.com/axllent/mailpit/issues/238))
+- Sendmail support for `-f 'Name <email[@example](https://github.com/example).com>'` format
+
+
+## [v1.12.1]
+
+### Chore
+- Significantly increase database performance using WAL (Write-Ahead-Log)
+- Standardize error logging & formatting
+
+### Feature
+- Add option to only allow SMTP recipients matching a regular expression (disable open-relay behaviour [#219](https://github.com/axllent/mailpit/issues/219))
+
+### Fix
+- Log total deleted messages when auto-pruning messages (--max)
+- Prevent rare error from websocket connection (unexpected non-whitespace character)
+- Log total deleted messages when deleting all messages from search
+
+### Libs
+- Update node modules
+
+### Tests
+- Run tests on Linux, Windows & Mac
+
+### UI
+- Automatically refresh connected browsers if Mailpit is upgraded (version change)
+
+
+## [v1.12.0]
+
+### Chore
+- Include runtime statistics in API (info) & UI (About)
+- Use memory pointer for internal message parsing & storage
+- Update caniemail test data
+- Convert to many-to-many message tag relationships
+- Standardize error logging & formatting
+
+### Libs
+- Update node modules
+- Update Go modules
+
+### UI
+- Refresh search results when search resubmitted or active tag filter clicked
+
+
+## [v1.11.1]
+
+### Fix
+- Fix regression to support for search query params to all `/latest` endpoints ([#206](https://github.com/axllent/mailpit/issues/206))
+
+### Libs
+- Update node modules
+- Update Go modules
+
+### Testing
+- Add new `ingest` subcommand to import an email file or maildir folder over SMTP
+
+### UI
+- Allow multiple tags  to be searched using Ctrl-click ([#216](https://github.com/axllent/mailpit/issues/216))
+
+
+## [v1.11.0]
+
+### API
+- Allow ID "latest" for message summary, headers, raw version & HTML/link checks
+
+### Feature
+- Add configuration option to set maximum SMTP recipients ([#205](https://github.com/axllent/mailpit/issues/205))
+
+### Libs
+- Update node modules
+- Update Go modules
+
+
+## [v1.10.4]
+
+### Fix
+- Remove JS debug information for favicon
+
+
 ## [v1.10.3]
 
 ### Chore

README.md

@@ -1,18 +1,33 @@
-# Mailpit - email testing for developers
+<h1 align="center">
+  Mailpit - email testing for developers
+</h1>
 
-![Tests](https://github.com/axllent/mailpit/actions/workflows/tests.yml/badge.svg)
-![Build status](https://github.com/axllent/mailpit/actions/workflows/release-build.yml/badge.svg)
-![Docker builds](https://github.com/axllent/mailpit/actions/workflows/build-docker.yml/badge.svg)
-![CodeQL](https://github.com/axllent/mailpit/actions/workflows/codeql-analysis.yml/badge.svg)
-[![Go Report Card](https://goreportcard.com/badge/github.com/axllent/mailpit)](https://goreportcard.com/report/github.com/axllent/mailpit)
+<div align="center">
+    <a href="https://github.com/axllent/mailpit/actions/workflows/tests.yml"><img src="https://github.com/axllent/mailpit/actions/workflows/tests.yml/badge.svg" alt="CI Tests status"></a>
+    <a href="https://github.com/axllent/mailpit/actions/workflows/release-build.yml"><img src="https://github.com/axllent/mailpit/actions/workflows/release-build.yml/badge.svg" alt="CI build status"></a>
+    <a href="https://github.com/axllent/mailpit/actions/workflows/build-docker.yml"><img src="https://github.com/axllent/mailpit/actions/workflows/build-docker.yml/badge.svg" alt="CI Docker build status"></a>
+    <a href="https://github.com/axllent/mailpit/actions/workflows/codeql-analysis.yml"><img src="https://github.com/axllent/mailpit/actions/workflows/codeql-analysis.yml/badge.svg" alt="Code quality"></a>
+    <a href="https://goreportcard.com/report/github.com/axllent/mailpit"><img src="https://goreportcard.com/badge/github.com/axllent/mailpit" alt="Go Report Card"></a>
+    <br>
+    <a href="https://github.com/axllent/mailpit/releases/latest"><img src="https://img.shields.io/github/v/release/axllent/mailpit.svg" alt="Latest release"></a>
+    <a href="https://hub.docker.com/r/axllent/mailpit"><img src="https://img.shields.io/docker/pulls/axllent/mailpit.svg" alt="Docker pulls"></a>
+</div>
+<br>
+<p align="center">
+  <a href="https://mailpit.axllent.org">Website</a>  •
+  <a href="https://mailpit.axllent.org/docs/">Documentation</a>  •
+  <a href="https://mailpit.axllent.org/docs/api-v1/">API</a>
+</p>
 
-Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers.
+<hr>
 
-It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
+**Mailpit** is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers.
 
-Mailpit was originally **inspired** by MailHog which is [no longer maintained](https://github.com/mailhog/MailHog/issues/442#issuecomment-1493415258) and hasn't seen active development for a few years now.
+It acts as an SMTP server, provides a modern web interface to view & test captured emails, and includes an API for automated integration testing.
 
-![Mailpit](https://raw.githubusercontent.com/axllent/mailpit/develop/docs/screenshot.png)
+Mailpit was originally **inspired** by MailHog which is [no longer maintained](https://github.com/mailhog/MailHog/issues/442#issuecomment-1493415258) and hasn't seen active development or security updates for a few years now.
+
+![Mailpit](https://raw.githubusercontent.com/axllent/mailpit/develop/server/ui-src/screenshot.png)
 
 
 ## Features
@@ -23,7 +38,9 @@ including image thumbnails), including optional [HTTPS](https://mailpit.axllent.
 - Optional [basic authentication](https://mailpit.axllent.org/docs/configuration/frontend-authentication/) for web UI & API
 - [HTML check](https://mailpit.axllent.org/docs/usage/html-check/) to test & score mail client compatibility with HTML emails
 - [Link check](https://mailpit.axllent.org/docs/usage/link-check/) to test message links (HTML & text) & linked images
+- [Spam check](https://mailpit.axllent.org/docs/usage/spamassassin/) to test message "spamminess" using a running SpamAssassin server
 - [Create screenshots](https://mailpit.axllent.org/docs/usage/html-screenshots/) of HTML messages via web UI
+- `List-Unsubscribe` syntax validation
 - Mobile and tablet HTML preview toggle in desktop mode
 - Advanced [mail search](https://mailpit.axllent.org/docs/usage/search-filters/)
 - [Message tagging](https://mailpit.axllent.org/docs/usage/tagging/)

cmd/ingest.go

@@ -0,0 +1,153 @@
+package cmd
+
+import (
+	"bytes"
+	"io"
+	"net/mail"
+	"net/smtp"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"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 (
+	ingestRecent int
+)
+
+// ingestCmd represents the ingest command
+var ingestCmd = &cobra.Command{
+	Use:   "ingest <file|folder> ...[file|folder]",
+	Short: "Ingest a file or folder of emails for testing",
+	Long: `Ingest a file or folder of emails for testing.
+
+This command will scan the folder for emails and deliver them via SMTP to a running 
+Mailpit server. Each email must be a separate file (eg: Maildir format, not mbox).
+The --recent flag will only consider files with a modification date within the last X days.`,
+	// Hidden: true,
+	Args: cobra.MinimumNArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		var count int
+		var total int
+		var per100start = time.Now()
+		p := message.NewPrinter(language.English)
+
+		for _, a := range args {
+			err := filepath.Walk(a,
+				func(path string, info os.FileInfo, err error) error {
+					if err != nil {
+						logger.Log().Error(err)
+						return nil
+					}
+					if !isFile(path) {
+						return nil
+					}
+
+					info.ModTime()
+
+					if ingestRecent > 0 && time.Now().Sub(info.ModTime()) > time.Duration(ingestRecent)*24*time.Hour {
+						return nil
+					}
+
+					f, err := os.Open(filepath.Clean(path))
+					if err != nil {
+						logger.Log().Errorf("%s: %s", path, err.Error())
+						return nil
+					}
+					defer f.Close() // #nosec
+
+					body, err := io.ReadAll(f)
+					if err != nil {
+						logger.Log().Errorf("%s: %s", path, err.Error())
+						return nil
+					}
+
+					msg, err := mail.ReadMessage(bytes.NewReader(body))
+					if err != nil {
+						logger.Log().Errorf("error parsing message body: %s", err.Error())
+						return nil
+					}
+
+					recipients := []string{}
+					// get all recipients in To, Cc and Bcc
+					if to, err := msg.Header.AddressList("To"); err == nil {
+						for _, a := range to {
+							recipients = append(recipients, a.Address)
+						}
+					}
+					if cc, err := msg.Header.AddressList("Cc"); err == nil {
+						for _, a := range cc {
+							recipients = append(recipients, a.Address)
+						}
+					}
+					if bcc, err := msg.Header.AddressList("Bcc"); err == nil {
+						for _, a := range bcc {
+							recipients = append(recipients, a.Address)
+						}
+					}
+
+					if sendmail.FromAddr == "" {
+						if fromAddresses, err := msg.Header.AddressList("From"); err == nil {
+							sendmail.FromAddr = fromAddresses[0].Address
+						}
+					}
+
+					if len(recipients) == 0 {
+						// Bcc
+						recipients = []string{sendmail.FromAddr}
+					}
+
+					returnPath := strings.Trim(msg.Header.Get("Return-Path"), "<>")
+					if returnPath == "" {
+						if fromAddresses, err := msg.Header.AddressList("From"); err == nil {
+							returnPath = fromAddresses[0].Address
+						}
+					}
+
+					err = smtp.SendMail(sendmail.SMTPAddr, nil, returnPath, recipients, body)
+					if err != nil {
+						logger.Log().Errorf("error sending mail: %s (%s)", err.Error(), path)
+						return nil
+					}
+
+					count++
+					total++
+					if count%100 == 0 {
+						formatted := p.Sprintf("%d", total)
+						logger.Log().Infof("[%s] 100 messages in %s", formatted, time.Since(per100start))
+
+						per100start = time.Now()
+					}
+
+					return nil
+				})
+			if err != nil {
+				logger.Log().Error(err)
+			}
+		}
+
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(ingestCmd)
+
+	ingestCmd.Flags().StringVarP(&sendmail.SMTPAddr, "smtp-addr", "S", sendmail.SMTPAddr, "SMTP server address")
+	ingestCmd.Flags().IntVarP(&ingestRecent, "recent", "r", 0, "Only ingest messages from the last X days (default all)")
+}
+
+// IsFile returns if a path is a file
+func isFile(path string) bool {
+	info, err := os.Stat(path)
+	if os.IsNotExist(err) || !info.Mode().IsRegular() {
+		return false
+	}
+
+	return true
+}

cmd/root.go

@@ -2,7 +2,6 @@
 package cmd
 
 import (
-	"fmt"
 	"os"
 	"strconv"
 	"strings"
@@ -92,6 +91,7 @@ func init() {
 	rootCmd.Flags().BoolVar(&config.IgnoreDuplicateIDs, "ignore-duplicate-ids", config.IgnoreDuplicateIDs, "Ignore duplicate messages (by Message-Id)")
 	rootCmd.Flags().BoolVar(&config.DisableHTMLCheck, "disable-html-check", config.DisableHTMLCheck, "Disable the HTML check functionality (web UI & API)")
 	rootCmd.Flags().BoolVar(&config.BlockRemoteCSSAndFonts, "block-remote-css-and-fonts", config.BlockRemoteCSSAndFonts, "Block access to remote CSS & fonts")
+	rootCmd.Flags().StringVar(&config.EnableSpamAssassin, "enable-spamassassin", config.EnableSpamAssassin, "Enable integration with SpamAssassin")
 
 	rootCmd.Flags().StringVar(&config.UIAuthFile, "ui-auth-file", config.UIAuthFile, "A password file for web UI & API authentication")
 	rootCmd.Flags().StringVar(&config.UITLSCert, "ui-tls-cert", config.UITLSCert, "TLS certificate for web UI (HTTPS) - requires ui-tls-key")
@@ -103,6 +103,9 @@ func init() {
 	rootCmd.Flags().StringVar(&config.SMTPTLSKey, "smtp-tls-key", config.SMTPTLSKey, "TLS key for SMTP (STARTTLS) - requires smtp-tls-cert")
 	rootCmd.Flags().BoolVar(&config.SMTPAuthAllowInsecure, "smtp-auth-allow-insecure", config.SMTPAuthAllowInsecure, "Enable insecure PLAIN & LOGIN authentication")
 	rootCmd.Flags().BoolVar(&config.SMTPStrictRFCHeaders, "smtp-strict-rfc-headers", config.SMTPStrictRFCHeaders, "Return SMTP error if message headers contain <CR><CR><LF>")
+	rootCmd.Flags().IntVar(&config.SMTPMaxRecipients, "smtp-max-recipients", config.SMTPMaxRecipients, "Maximum SMTP recipients allowed")
+	rootCmd.Flags().StringVar(&config.SMTPAllowedRecipients, "smtp-allowed-recipients", config.SMTPAllowedRecipients, "Only allow SMTP recipients matching a regular expression (default allow all)")
+	rootCmd.Flags().BoolVar(&smtpd.DisableReverseDNS, "smtp-disable-rdns", smtpd.DisableReverseDNS, "Disable SMTP reverse DNS lookups")
 
 	rootCmd.Flags().StringVar(&config.SMTPRelayConfigFile, "smtp-relay-config", config.SMTPRelayConfigFile, "SMTP configuration file to allow releasing messages")
 	rootCmd.Flags().BoolVar(&config.SMTPRelayAllIncoming, "smtp-relay-all", config.SMTPRelayAllIncoming, "Relay all incoming messages via external SMTP server (caution!)")
@@ -164,9 +167,18 @@ func initConfigFromEnv() {
 	if getEnabledFromEnv("MP_SMTP_AUTH_ALLOW_INSECURE") {
 		config.SMTPAuthAllowInsecure = true
 	}
-	if getEnabledFromEnv("MP_STRICT_RFC_HEADERS") {
+	if getEnabledFromEnv("MP_SMTP_STRICT_RFC_HEADERS") {
 		config.SMTPStrictRFCHeaders = true
 	}
+	if len(os.Getenv("MP_SMTP_MAX_RECIPIENTS")) > 0 {
+		config.SMTPMaxRecipients, _ = strconv.Atoi(os.Getenv("MP_SMTP_MAX_RECIPIENTS"))
+	}
+	if len(os.Getenv("MP_SMTP_ALLOWED_RECIPIENTS")) > 0 {
+		config.SMTPAllowedRecipients = os.Getenv("MP_SMTP_ALLOWED_RECIPIENTS")
+	}
+	if getEnabledFromEnv("MP_SMTP_DISABLE_RDNS") {
+		smtpd.DisableReverseDNS = true
+	}
 
 	// Relay server config
 	config.SMTPRelayConfigFile = os.Getenv("MP_SMTP_RELAY_CONFIG")
@@ -201,6 +213,9 @@ func initConfigFromEnv() {
 	if getEnabledFromEnv("MP_BLOCK_REMOTE_CSS_AND_FONTS") {
 		config.BlockRemoteCSSAndFonts = true
 	}
+	if len(os.Getenv("MP_ENABLE_SPAMASSASSIN")) > 0 {
+		config.EnableSpamAssassin = os.Getenv("MP_ENABLE_SPAMASSASSIN")
+	}
 	if getEnabledFromEnv("MP_ALLOW_UNTRUSTED_TLS") {
 		config.AllowUntrustedTLS = true
 	}
@@ -216,24 +231,29 @@ func initConfigFromEnv() {
 func initDeprecatedConfigFromEnv() {
 	// deprecated 2023/03/12
 	if len(os.Getenv("MP_UI_SSL_CERT")) > 0 {
-		fmt.Println("ENV MP_UI_SSL_CERT has been deprecated, use MP_UI_TLS_CERT")
+		logger.Log().Warn("ENV MP_UI_SSL_CERT has been deprecated, use MP_UI_TLS_CERT")
 		config.UITLSCert = os.Getenv("MP_UI_SSL_CERT")
 	}
 	// deprecated 2023/03/12
 	if len(os.Getenv("MP_UI_SSL_KEY")) > 0 {
-		fmt.Println("ENV MP_UI_SSL_KEY has been deprecated, use MP_UI_TLS_KEY")
+		logger.Log().Warn("ENV MP_UI_SSL_KEY has been deprecated, use MP_UI_TLS_KEY")
 		config.UITLSKey = os.Getenv("MP_UI_SSL_KEY")
 	}
 	// deprecated 2023/03/12
 	if len(os.Getenv("MP_SMTP_SSL_CERT")) > 0 {
-		fmt.Println("ENV MP_SMTP_CERT has been deprecated, use MP_SMTP_TLS_CERT")
+		logger.Log().Warn("ENV MP_SMTP_CERT has been deprecated, use MP_SMTP_TLS_CERT")
 		config.SMTPTLSCert = os.Getenv("MP_SMTP_SSL_CERT")
 	}
 	// deprecated 2023/03/12
 	if len(os.Getenv("MP_SMTP_SSL_KEY")) > 0 {
-		fmt.Println("ENV MP_SMTP_KEY has been deprecated, use MP_SMTP_TLS_KEY")
+		logger.Log().Warn("ENV MP_SMTP_KEY has been deprecated, use MP_SMTP_TLS_KEY")
 		config.SMTPTLSKey = os.Getenv("MP_SMTP_SMTP_KEY")
 	}
+	// deprecated 2023/12/10
+	if getEnabledFromEnv("MP_STRICT_RFC_HEADERS") {
+		logger.Log().Warn("ENV MP_STRICT_RFC_HEADERS has been deprecated, use MP_SMTP_STRICT_RFC_HEADERS")
+		config.SMTPStrictRFCHeaders = true
+	}
 }
 
 // Wrapper to get a boolean from an environment variable

config/config.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/spamassassin"
 	"github.com/axllent/mailpit/internal/tools"
 	"gopkg.in/yaml.v3"
 )
@@ -60,6 +61,11 @@ var (
 	// SMTPAuthAcceptAny accepts any username/password including none
 	SMTPAuthAcceptAny bool
 
+	// SMTPMaxRecipients is the maximum number of recipients a message may have.
+	// The SMTP RFC states that an server must handle a minimum of 100 recipients
+	// however some servers accept more.
+	SMTPMaxRecipients = 100
+
 	// IgnoreDuplicateIDs will skip messages with the same ID
 	IgnoreDuplicateIDs bool
 
@@ -88,6 +94,12 @@ var (
 	// @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
 
@@ -95,6 +107,9 @@ var (
 	// Use with extreme caution!
 	SMTPRelayAllIncoming = false
 
+	// EnableSpamAssassin must be either <host>:<port> or "postmark"
+	EnableSpamAssassin string
+
 	// WebhookURL for calling
 	WebhookURL string
 
@@ -234,6 +249,16 @@ func VerifyConfig() error {
 		return fmt.Errorf("Webhook URL does not appear to be a valid URL (%s)", WebhookURL)
 	}
 
+	if EnableSpamAssassin != "" {
+		spamassassin.SetService(EnableSpamAssassin)
+		logger.Log().Infof("[spamassassin] enabled via %s", EnableSpamAssassin)
+
+		if err := spamassassin.Ping(); err != nil {
+			logger.Log().Warnf("[spamassassin] ping: %s", err.Error())
+		} else {
+		}
+	}
+
 	SMTPTags = []AutoTag{}
 
 	if SMTPCLITags != "" {
@@ -257,6 +282,16 @@ func VerifyConfig() error {
 		}
 	}
 
+	if SMTPAllowedRecipients != "" {
+		restrictRegexp, err := regexp.Compile(SMTPAllowedRecipients)
+		if err != nil {
+			return fmt.Errorf("Failed to compile smtp-allowed-recipients regexp: %s", err.Error())
+		}
+
+		SMTPAllowedRecipientsRegexp = restrictRegexp
+		logger.Log().Infof("[smtp] only allowing recipients matching the following regexp: %s", SMTPAllowedRecipients)
+	}
+
 	if err := parseRelayConfig(SMTPRelayConfigFile); err != nil {
 		return err
 	}
@@ -330,11 +365,11 @@ func parseRelayConfig(c string) error {
 
 	if SMTPRelayConfig.RecipientAllowlist != "" {
 		if err != nil {
-			return fmt.Errorf("failed to compile recipient allowlist regexp: %e", err)
+			return fmt.Errorf("Failed to compile relay recipient allowlist regexp: %s", err.Error())
 		}
 
 		SMTPRelayConfig.RecipientAllowlistRegexp = allowlistRegexp
-		logger.Log().Infof("[smtp] recipient allowlist is active with the following regexp: %s", SMTPRelayConfig.RecipientAllowlist)
+		logger.Log().Infof("[smtp] relay recipient allowlist is active with the following regexp: %s", SMTPRelayConfig.RecipientAllowlist)
 
 	}
 

docs/apiv1/Message.md

@@ -1,116 +0,0 @@
-# Message
-
-## Message summary
-
-Returns a JSON summary of the message and attachments.
-
-**URL** : `api/v1/message/<ID>`
-
-**Method** : `GET`
-
-## Response
-
-**Status** : `200`
-
-```json
-{
-  "ID": "d7a5543b-96dd-478b-9b60-2b465c9884de",
-  "MessageID": "12345.67890@localhost",
-  "From": {
-    "Name": "John Doe",
-    "Address": "john@example.com"
-  },
-  "To": [
-    {
-      "Name": "Jane Smith",
-      "Address": "jane@example.com"
-    }
-  ],
-  "Cc": [],
-  "Bcc": [],
-  "ReplyTo": [],
-  "Subject": "Message subject",
-  "Date": "2016-09-07T16:46:00+13:00",
-  "Tags": ["test"],
-  "Text": "Plain text MIME part of the email",
-  "HTML": "HTML MIME part (if exists)",
-  "Size": 79499,
-  "Inline": [
-    {
-      "PartID": "1.2",
-      "FileName": "filename.gif",
-      "ContentType": "image/gif",
-      "ContentID": "919564503@07092006-1525",
-      "Size": 7760
-    }
-  ],
-  "Attachments": [
-    {
-      "PartID": "2",
-      "FileName": "filename.doc",
-      "ContentType": "application/msword",
-      "ContentID": "",
-      "Size": 43520
-    }
-  ]
-}
-```
-### Notes
-
-- `From` - Name & Address, or null
-- `To`, `CC`, `BCC`, `ReplyTo` - Array of Names & Address
-- `Date` - Parsed email local date & time from headers
-- `Size` - Total size of raw email
-- `Inline`, `Attachments` - Array of attachments and inline images.
-
-
----
-## Attachments
-
-**URL** : `api/v1/message/<ID>/part/<PartID>`
-
-**Method** : `GET`
-
-Returns the attachment using the MIME type provided by the attachment `ContentType`.
-
----
-## Headers
-
-**URL** : `api/v1/message/<ID>/headers`
-
-**Method** : `GET`
-
-Returns all message headers as a JSON array.
-Each unique header key contains an array of one or more values (email headers can be listed multiple times.)
-
-```json
-{
-  "Content-Type": [
-    "multipart/related; type=\"multipart/alternative\"; boundary=\"----=_NextPart_000_0013_01C6A60C.47EEAB80\""
-  ],
-  "Date": [
-    "Wed, 12 Jul 2006 23:38:30 +1200"
-  ],
-  "Delivered-To": [
-    "user@example.com",
-    "user-alias@example.com"
-  ],
-  "From": [
-    "\"User Name\" \\u003remote@example.com\\u003e"
-  ],
-  "Message-Id": [
-    "\\u003c001701c6a5a7$b3205580$0201010a@HomeOfficeSM\\u003e"
-  ],
-....
-}
-```
-
-
----
-## Raw (source) email
-
-**URL** : `api/v1/message/<ID>/raw`
-
-**Method** : `GET`
-
-Returns the original email source including headers and attachments.

docs/apiv1/Messages.md

@@ -1,169 +0,0 @@
-# Messages
-
-List & delete messages.
-
-
----
-## List
-
-List messages in the mailbox. Messages are returned in the order of latest received to oldest.
-
-**URL** : `api/v1/messages`
-
-**Method** : `GET`
-
-
-### Query parameters
-
-| Parameter | Type    | Required | Description                |
-|-----------|---------|----------|----------------------------|
-| limit     | integer | false    | Limit results (default 50) |
-| start     | integer | false    | Pagination offset          |
-
-
-### Response
-
-**Status** : `200`
-
-```json
-{
-  "total": 500,
-  "unread": 500,
-  "messages_count": 50,
-  "start": 0,
-  "tags": ["test"],
-  "messages": [
-    {
-      "ID": "1c575821-70ba-466f-8cee-2e1cf0fcdd0f",
-      "MessageID": "12345.67890@localhost",
-      "Read": false,
-      "From": {
-        "Name": "John Doe",
-        "Address": "john@example.com"
-      },
-      "To": [
-        {
-          "Name": "Jane Smith",
-          "Address": "jane@example.com"
-        }
-      ],
-      "Cc": [
-        {
-          "Name": "Accounts",
-          "Address": "accounts@example.com"
-        }
-      ],
-      "Bcc": [],
-      "Subject": "Message subject",
-      "Created": "2022-10-03T21:35:32.228605299+13:00",
-      "Tags": ["test"],
-      "Size": 6144,
-      "Attachments": 0
-    },
-    ...
-  ]
-}
-```
-
-### Notes
-
-- `total` - Total messages in mailbox
-- `unread` - Total unread messages in mailbox
-- `messages_count` - Total number of messages in mailbox
-- `start` - The offset (default `0`) for pagination
-- `Read` - The read/unread status of the message
-- `From` - Name & Address, or null if none
-- `To`, `CC`, `BCC` - Array of Names & Address
-- `Created` - Local date & time the message was received
-- `Size` - Total size of raw email in bytes
-
-
----
-## Delete individual messages
-
-Delete one or more messages by ID.
-
-**URL** : `api/v1/messages`
-
-**Method** : `DELETE`
-
-### Request
-
-```json
-{
-  "ids": ["<ID>","<ID>"...]
-}
-```
-
-### Response
-
-**Status** : `200`
-
-
----
-## Delete all messages
-
-Delete all messages (same as deleting individual messages, but with the "ids" either empty or omitted entirely).
-
-**URL** : `api/v1/messages`
-
-**Method** : `DELETE`
-
-### Request
-
-```json
-{
-  "ids": []
-}
-```
-
-### Response
-
-**Status** : `200`
-
-
----
-## Update individual read statuses
-
-Set the read status of one or more messages. 
-The `read` status can be `true` or `false`.
-
-**URL** : `api/v1/messages`
-
-**Method** : `PUT`
-
-### Request
-
-```json
-{
-  "ids": ["<ID>","<ID>"...],
-  "read": false
-}
-```
-
-### Response
-
-**Status** : `200`
-
----
-## Update all messages read status
-
-Set the read status of all messages. 
-The `read` status can be `true` or `false`.
-
-**URL** : `api/v1/messages`
-
-**Method** : `PUT`
-
-### Request
-
-```json
-{
-  "ids": [],
-  "read": false
-}
-```
-
-### Response
-
-**Status** : `200`

docs/apiv1/README.md

@@ -1,14 +0,0 @@
-# API v1
-
-Mailpit provides a simple REST API to access and delete stored messages.
-
-If the Mailpit server is set to use Basic Authentication, then API requests must use Basic Authentication too.
-
-You can view the Swagger API documentation directly within Mailpit by going to https://mailpit.axllent.org/docs/api-v1/.
-
-The API is split into four main parts:
-
-- [Messages](Messages.md) - Listing, deleting & marking messages as read/unread.
-- [Message](Message.md) - Return message data & attachments
-- [Tags](Tags.md) - Set message tags
-- [Search](Search.md) - Searching messages

docs/apiv1/Search.md

@@ -1,70 +0,0 @@
-# Search
-
-**URL** : `api/v1/search?query=<string>`
-
-**Method** : `GET`
-
-The search returns the most recent matches (default 50).
-Matching messages are returned in the order of latest received to oldest.
-
-
-## Query parameters
-
-| Parameter | Type    | Required | Description                |
-|-----------|---------|----------|----------------------------|
-| query     | string  | true     | Search query               |
-| limit     | integer | false    | Limit results (default 50) |
-| start     | integer | false    | Pagination offset          |
-
-
-## Response
-
-**Status** : `200`
-
-```json
-{
-  "total": 500,
-  "unread": 500,
-  "messages_count": 25,
-  "start": 0,
-  "messages": [
-    {
-      "ID": "1c575821-70ba-466f-8cee-2e1cf0fcdd0f",
-      "MessageID": "12345.67890@localhost",
-      "Read": false,
-      "From": {
-        "Name": "John Doe",
-        "Address": "john@example.com"
-      },
-      "To": [
-        {
-          "Name": "Jane Smith",
-          "Address": "jane@example.com"
-        }
-      ],
-      "Cc": [
-        {
-          "Name": "Accounts",
-          "Address": "accounts@example.com"
-        }
-      ],
-      "Bcc": [],
-      "Subject": "Test email",
-      "Created": "2022-10-03T21:35:32.228605299+13:00",
-      "Size": 6144,
-      "Attachments": 0
-    },
-    ...
-  ]
-}
-```
-
-### Notes
-
-- `total` - Total messages in mailbox (all messages, not search)
-- `unread` - Total unread messages in mailbox (all messages, not search)
-- `messages_count` - Total number of messages matching search
-- `start` - The offset (default `0`) for pagination
-- `From` - Singular Name & Address, or null if none
-- `To`, `CC`, `BCC` - Array of Name & Address
-- `Size` - Total size of raw email in bytes

docs/apiv1/Tags.md

@@ -1,27 +0,0 @@
-# Tags
-
-Set message tags.
-
-
----
-## Update message tags
-
-Set the tags for one or more messages.
-If the tags array is empty then all tags are removed from the messages.
-
-**URL** : `api/v1/tags`
-
-**Method** : `PUT`
-
-### Request
-
-```json
-{
-  "ids": ["<ID>","<ID>"...],
-  "tags": ["<tag>","<tag>"]
-}
-```
-
-### Response
-
-**Status** : `200`

go.mod

@@ -7,25 +7,25 @@ require (
 	github.com/PuerkitoBio/goquery v1.8.1
 	github.com/axllent/semver v0.0.1
 	github.com/disintegration/imaging v1.6.2
-	github.com/gomarkdown/markdown v0.0.0-20231115200524-a660076da3fd
-	github.com/google/uuid v1.4.0
+	github.com/gomarkdown/markdown v0.0.0-20231222211730-1d6d20845b47
+	github.com/google/uuid v1.5.0
 	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.1
-	github.com/jhillyerd/enmime v1.0.1
+	github.com/jhillyerd/enmime v1.1.0
 	github.com/klauspost/compress v1.17.4
 	github.com/leporo/sqlf v1.4.0
-	github.com/mhale/smtpd v0.8.0
+	github.com/mhale/smtpd v0.8.2
 	github.com/reiver/go-telnet v0.0.0-20180421082511-9ff0b2ab096e
 	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 v1.2.1
+	github.com/tg123/go-htpasswd v1.2.2
 	github.com/vanng822/go-premailer v1.20.2
-	golang.org/x/net v0.19.0
+	golang.org/x/net v0.20.0
 	golang.org/x/text v0.14.0
 	golang.org/x/time v0.5.0
 	gopkg.in/yaml.v3 v3.0.1
-	modernc.org/sqlite v1.27.0
+	modernc.org/sqlite v1.28.0
 )
 
 require (
@@ -51,16 +51,16 @@ 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 v0.16.0 // indirect
-	golang.org/x/image v0.14.0 // indirect
+	golang.org/x/crypto v0.18.0 // indirect
+	golang.org/x/image v0.15.0 // indirect
 	golang.org/x/mod v0.14.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
-	golang.org/x/tools v0.16.0 // indirect
+	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/tools v0.17.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
 	modernc.org/cc/v3 v3.41.0 // indirect
 	modernc.org/ccgo/v3 v3.16.15 // indirect
-	modernc.org/libc v1.37.0 // indirect
+	modernc.org/libc v1.40.6 // indirect
 	modernc.org/mathutil v1.6.0 // indirect
 	modernc.org/memory v1.7.2 // indirect
 	modernc.org/opt v0.1.3 // indirect

go.sum

@@ -51,12 +51,12 @@ github.com/go-test/deep v1.1.0 h1:WOcxcdHcvdgThNXjw0t76K42FXTU7HpNQWHpA2HHNlg=
 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/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gomarkdown/markdown v0.0.0-20231115200524-a660076da3fd h1:PppHBegd3uPZ3Y/Iax/2mlCFJm1w4Qf/zP1MdW4ju2o=
-github.com/gomarkdown/markdown v0.0.0-20231115200524-a660076da3fd/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
+github.com/gomarkdown/markdown v0.0.0-20231222211730-1d6d20845b47 h1:k4Tw0nt6lwro3Uin8eqoET7MDA4JnT8YgbCjc/g5E3k=
+github.com/gomarkdown/markdown v0.0.0-20231222211730-1d6d20845b47/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 h1:Xim43kblpZXfIBQsbuBVKCudVG457BR2GZFIz3uw3hQ=
-github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
-github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
+github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
 github.com/gorilla/css v1.0.1 h1:ntNaBIghp6JmvWnxbZKANoLyuXTPZ4cAMlo6RyhlbO8=
 github.com/gorilla/css v1.0.1/go.mod h1:BvnYkspnSzMmwRK+b8/xgNPLiIuNZr6vbZBTPQ2A3b0=
@@ -68,8 +68,8 @@ github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2
 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 v1.0.1 h1:y6RyqIgBOI2hIinOXIzmeB+ITRVls0zTJIm5GwgXnjE=
-github.com/jhillyerd/enmime v1.0.1/go.mod h1:LMMbm6oTlzWHghPavqHtOrP/NosVv3l42CUrZjn03/Q=
+github.com/jhillyerd/enmime v1.1.0 h1:ubaIzg68VY7CMCe2YbHe6nkRvU9vujixTkNz3EBvZOw=
+github.com/jhillyerd/enmime v1.1.0/go.mod h1:FRFuUPCLh8PByQv+8xRcLO9QHqaqTqreYhopv5eyk4I=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/klauspost/compress v1.17.4 h1:Ej5ixsIri7BrIjBkRZLTo6ghwrEtHFk7ijlczPW4fZ4=
@@ -90,8 +90,8 @@ github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZ
 github.com/mattn/go-runewidth v0.0.15/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 v0.8.0 h1:5JvdsehCg33PQrZBvFyDMMUDQmvbzVpZgKob7eYBJc0=
-github.com/mhale/smtpd v0.8.0/go.mod h1:MQl+y2hwIEQCXtNhe5+55n0GZOjSmeqORDIXbqUL3x4=
+github.com/mhale/smtpd v0.8.2 h1:rHKOMHeFoDvcq8Na9ErCbNcjlWTSyGtznOmJpWsOzuc=
+github.com/mhale/smtpd v0.8.2/go.mod h1:MQl+y2hwIEQCXtNhe5+55n0GZOjSmeqORDIXbqUL3x4=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
@@ -127,8 +127,8 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/tg123/go-htpasswd v1.2.1 h1:i4wfsX1KvvkyoMiHZzjS0VzbAPWfxzI8INcZAKtutoU=
-github.com/tg123/go-htpasswd v1.2.1/go.mod h1:erHp1B86KXdwQf1X5ZrLb7erXZnWueEQezb2dql4q58=
+github.com/tg123/go-htpasswd v1.2.2 h1:tmNccDsQ+wYsoRfiONzIhDm5OkVHQzN3w4FOBAlN6BY=
+github.com/tg123/go-htpasswd v1.2.2/go.mod h1:FcIrK0J+6zptgVwK1JDlqyajW/1B4PtuJ/FLWl7nx8A=
 github.com/unrolled/render v1.0.3/go.mod h1:gN9T0NhL4Bfbwu8ann7Ry/TGHYfosul+J0obPf6NBdM=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
@@ -141,11 +141,11 @@ github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5t
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.16.0 h1:mMMrFzRSCF0GvB7Ne27XVtVAaXLrPmgPC7/v0tkwHaY=
-golang.org/x/crypto v0.16.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
 golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.14.0 h1:tNgSxAFe3jC4uYqvZdTr84SZoM1KfwdC9SKIFrLjFn4=
-golang.org/x/image v0.14.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
+golang.org/x/image v0.15.0 h1:kOELfmgrmJlw4Cdb7g/QGuB3CvDrXbqEIww/pNtNBm8=
+golang.org/x/image v0.15.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
@@ -161,12 +161,12 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
-golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
-golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
+golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
+golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -179,8 +179,8 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -199,8 +199,8 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
 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 v0.16.0 h1:GO788SKMRunPIBCXiQyo2AaexLstOrVhuAL5YwsckQM=
-golang.org/x/tools v0.16.0/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0=
+golang.org/x/tools v0.17.0 h1:FvmRgNOcs3kOa+T20R1uhfP9F6HgG2mfxDv1vrx1Htc=
+golang.org/x/tools v0.17.0/go.mod h1:xsh6VxdV005rRVaS6SSAf9oiAqljS7UZUacMZ8Bnsps=
 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=
@@ -218,16 +218,16 @@ modernc.org/ccgo/v3 v3.16.15 h1:KbDR3ZAVU+wiLyMESPtbtE/Add4elztFyfsWoNTgxS0=
 modernc.org/ccgo/v3 v3.16.15/go.mod h1:yT7B+/E2m43tmMOT51GMoM98/MtHIcQQSleGnddkUNI=
 modernc.org/ccorpus v1.11.6 h1:J16RXiiqiCgua6+ZvQot4yUuUy8zxgqbqEEUuGPlISk=
 modernc.org/httpfs v1.0.6 h1:AAgIpFZRXuYnkjftxTAZwMIiwEqAfk8aVB2/oA6nAeM=
-modernc.org/libc v1.37.0 h1:WerjebcsP6A7Jy+f2lCnHAkiSTLf7IaSftBYUtoswak=
-modernc.org/libc v1.37.0/go.mod h1:YAXkAZ8ktnkCKaN9sw/UDeUVkGYJ/YquGO4FTi5nmHE=
+modernc.org/libc v1.40.6 h1:141JHq3SjhOOCjECBgD4K8VgTFOy19CnHwroC08DAig=
+modernc.org/libc v1.40.6/go.mod h1:YAXkAZ8ktnkCKaN9sw/UDeUVkGYJ/YquGO4FTi5nmHE=
 modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
 modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
 modernc.org/memory v1.7.2 h1:Klh90S215mmH8c9gO98QxQFsY+W451E8AnzjoE2ee1E=
 modernc.org/memory v1.7.2/go.mod h1:NO4NVCQy0N7ln+T9ngWqOQfi7ley4vpwvARR+Hjw95E=
 modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
 modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
-modernc.org/sqlite v1.27.0 h1:MpKAHoyYB7xqcwnUwkuD+npwEa0fojF0B5QRbN+auJ8=
-modernc.org/sqlite v1.27.0/go.mod h1:Qxpazz0zH8Z1xCFyi5GSL3FzbtZ3fvbjmywNogldEW0=
+modernc.org/sqlite v1.28.0 h1:Zx+LyDDmXczNnEQdvPuEfcFVA2ZPyaD7UCZDjef3BHQ=
+modernc.org/sqlite v1.28.0/go.mod h1:Qxpazz0zH8Z1xCFyi5GSL3FzbtZ3fvbjmywNogldEW0=
 modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
 modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0=
 modernc.org/tcl v1.15.2 h1:C4ybAYCGJw968e+Me18oW55kD/FexcHbqH2xak1ROSY=

internal/htmlcheck/caniemail-data.json

@@ -1,7 +1,7 @@
 {
 	"api_version":"1.0.4",
-	"last_update_date":"2023-11-12 17:24:59 +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"},"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"}},
+	"last_update_date":"2023-12-29 09:27:35 +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":[
 		{
 			"slug":"amp",
@@ -14,7 +14,7 @@
 			"last_test_date":"2020-03-31",
 			"test_url":"https://www.caniemail.com/tests/amp.html",
 			"test_results_url":null,
-			"stats":{"apple-mail":{"macos":{"12.4":"n"},"ios":{"13.1":"n"}},"gmail":{"desktop-webmail":{"2020-04":"y","2022-02":"y #1"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"},"mobile-webmail":{"2020-04":"n"}},"orange":{"desktop-webmail":{"2020-01":"n","2021-03":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2019-10":"n"},"macos":{"2019-10":"n"},"outlook-com":{"2020-01":"n"},"ios":{"2019-10":"n"},"android":{"2019-10":"n"}},"yahoo":{"desktop-webmail":{"2019-10":"y","2021-01":"y","2022-02":"y #1"},"ios":{"2019-10":"n","2022-12":"y"},"android":{"2019-10":"n","2022-12":"y"}},"aol":{"desktop-webmail":{"2019-10":"n"},"ios":{"2019-10":"n"},"android":{"2019-10":"n"}},"samsung-email":{"android":{"5.0.10.2":"n"}},"sfr":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"thunderbird":{"macos":{"68.4":"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":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"n"}},"free-fr":{"desktop-webmail":{"2022-12":"n"}},"t-online-de":{"desktop-webmail":{"2022-12":"n"}},"gmx":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"n"},"android":{"2022-06":"n"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"n"},"android":{"2022-06":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"n"},"android":{"2022-06":"n"}}},
+			"stats":{"apple-mail":{"macos":{"12.4":"n"},"ios":{"13.1":"n"}},"gmail":{"desktop-webmail":{"2020-04":"y","2022-02":"y #1"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"},"mobile-webmail":{"2020-04":"n"}},"orange":{"desktop-webmail":{"2020-01":"n","2021-03":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2019-10":"n"},"macos":{"2019-10":"n","16.80":"n"},"outlook-com":{"2020-01":"n"},"ios":{"2019-10":"n"},"android":{"2019-10":"n"}},"yahoo":{"desktop-webmail":{"2019-10":"y","2021-01":"y","2022-02":"y #1"},"ios":{"2019-10":"n","2022-12":"y"},"android":{"2019-10":"n","2022-12":"y"}},"aol":{"desktop-webmail":{"2019-10":"n"},"ios":{"2019-10":"n"},"android":{"2019-10":"n"}},"samsung-email":{"android":{"5.0.10.2":"n"}},"sfr":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"thunderbird":{"macos":{"68.4":"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":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"n"}},"free-fr":{"desktop-webmail":{"2022-12":"n"}},"t-online-de":{"desktop-webmail":{"2022-12":"n"}},"gmx":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"n"},"android":{"2022-06":"n"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"n"},"android":{"2022-06":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"n"},"android":{"2022-06":"n"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Supported on compatible browsers. Refer to ‘supported platforms’ links listed below under resources."}
 		},
@@ -43,10 +43,10 @@
 			"category":"css",
 			"tags":[],
 			"keywords":"accent,color",
-			"last_test_date":"2022-07-21",
+			"last_test_date":"2023-12-19",
 			"test_url":"https://www.caniemail.com/tests/css-accent-color.html",
 			"test_results_url":"https://testi.at/proj/LAzSmlkimAnFmnrtPjPuPjpT1rO",
-			"stats":{"apple-mail":{"macos":{"16":"n","17":"n","18":"n","19":"n","20":"n","21":"y"},"ios":{"11":"n","12":"n","13":"n","14":"y #1","15":"y #1"}},"gmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"},"mobile-webmail":{"2022-07":"n"}},"orange":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-07":"n"},"macos":{"2022-07":"n"},"outlook-com":{"2022-07":"n"},"ios":{"2022-07":"n"},"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":"n"},"android":{"2022-07":"n"}},"samsung-email":{"android":{"2022-07":"y #1"}},"sfr":{"desktop-webmail":{"2022-07":"y"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"protonmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"hey":{"desktop-webmail":{"2022-07":"y"}},"mail-ru":{"desktop-webmail":{"2022-07":"y #1"}},"fastmail":{"desktop-webmail":{"2022-07":"n"}}},
+			"stats":{"apple-mail":{"macos":{"16":"n","17":"n","18":"n","19":"n","20":"n","21":"y"},"ios":{"11":"n","12":"n","13":"n","14":"y #1","15":"y #1"}},"gmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"},"mobile-webmail":{"2022-07":"n"}},"orange":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-07":"n"},"macos":{"2022-07":"n","16.80":"n"},"outlook-com":{"2022-07":"n"},"ios":{"2022-07":"n"},"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":"n"},"android":{"2022-07":"n"}},"samsung-email":{"android":{"2022-07":"y #1"}},"sfr":{"desktop-webmail":{"2022-07":"y"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"protonmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"hey":{"desktop-webmail":{"2022-07":"y"}},"mail-ru":{"desktop-webmail":{"2022-07":"y #1"}},"fastmail":{"desktop-webmail":{"2022-07":"n"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Supports `accent-color` but rendering depends on browser support."}
 		},
@@ -59,10 +59,10 @@
 			"category":"css",
 			"tags":[],
 			"keywords":"align,items,flexbox,grid",
-			"last_test_date":"2021-03-09",
+			"last_test_date":"2023-12-19",
 			"test_url":"https://www.caniemail.com/tests/css-align-items.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/FvYneb1dhiR4we6rAOf4AC02oFa6ksA0sTWxbEjgmt6Mg/list",
-			"stats":{"apple-mail":{"macos":{"11":"y","12":"y","13":"y"},"ios":{"11":"y","12":"y","13":"y","14":"y"}},"gmail":{"desktop-webmail":{"2020-12":"n"},"ios":{"2020-12":"n"},"android":{"2020-12":"n"},"mobile-webmail":{"2020-12":"n"}},"orange":{"desktop-webmail":{"2021-02":"y","2021-03":"n"},"ios":{"2021-03":"y"},"android":{"2021-03":"y"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-12":"n"},"macos":{"2020-12":"y"},"outlook-com":{"2020-12":"y"},"ios":{"2020-12":"y"},"android":{"4.2048.4":"y"}},"yahoo":{"desktop-webmail":{"2020-12":"n"},"ios":{"2021-03":"n"},"android":{"6.16.2.1519779":"n"}},"aol":{"desktop-webmail":{"2020-12":"n"},"ios":{"2021-03":"n"},"android":{"2021-03":"n"}},"samsung-email":{"android":{"6.1.31.2":"y"}},"sfr":{"desktop-webmail":{"2021-03":"y"},"ios":{"2021-03":"y"},"android":{"2021-03":"y"}},"thunderbird":{"macos":{"2020-12":"y"}},"protonmail":{"desktop-webmail":{"2021-03":"y"},"ios":{"2021-03":"y"},"android":{"2021-03":"y"}},"hey":{"desktop-webmail":{"2021-03":"y"}},"mail-ru":{"desktop-webmail":{"2020-12":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y #1"}},"gmx":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
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 			"notes_by_num":{"1":"Supported. But a default style of `margin:auto` is applied on every element and can prevent the expected result."}
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@@ -75,10 +75,10 @@
 			"category":"css",
 			"tags":[],
 			"keywords":"keyframes",
-			"last_test_date":"2021-05-25",
+			"last_test_date":"2023-12-19",
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 			"test_results_url":"https://app.emailonacid.com/app/acidtest/u4oWccYOFNNyTagHs2NSUZqJYQ3MssrqDMocBnRa35hf7/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Buggy. Animation properties are supported but `@keyframes` are incorrectly prefixed.","2":"Partial. Only supports from and to keyframes. Does not support % keyframes"}
 		},
@@ -91,10 +91,10 @@
 			"category":"css",
 			"tags":[],
 			"keywords":"ratio",
-			"last_test_date":"2021-11-02",
+			"last_test_date":"2023-12-19",
 			"test_url":"https://www.caniemail.com/tests/css-aspect-ratio.html",
 			"test_results_url":"https://testi.at/proj/Mv0IO0vs3vTgRQuJ8IzyBfD6",
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 		},
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 			"category":"css",
 			"tags":[],
 			"keywords":"font face, web fonts, google fonts",
-			"last_test_date":"2019-07-18",
+			"last_test_date":"2023-12-19",
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 			"test_results_url":"https://app.emailonacid.com/app/acidtest/veY9MhuhgFeF1ly5crrhTXawfLJSwxgpYi27OElI7iSoc/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Only supported through a `<link>` tag.","2":"Partial. Only supported directly through a `<style>` tag.","3":"Buggy. Support depends on the version of IE installed.","4":"Partial. The declaration is supported but distant fonts are ignored.","5":"Buggy. Elements using a font declared with `@font-face` ignore the font stack and fall back to Times New Roman. Use `mso-generic-font-family` and `mso-font-alt` to control the fallback.","6":"Not supported. Roboto and Google Sans can be used, but only because they're embedded with the webmail's own styles.","7":"Not supported. The `@font-face` declaration is kept but the `src` property is removed.","8":"Not supported when using a Microsoft email address; outlook, live, hotmail, etc.."}
 		},
@@ -126,7 +126,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-placement.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/6vV9sx4RoRsdnkZBDjLWwSC18VcUQzJY00tlj2NVSxKKv/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"n","2021-03":"n"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2019-02":"y"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"thunderbird":{"macos":{"60.8":"y","78.5":"n"}},"yahoo":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2020-01":"n"}},"samsung-email":{"android":{"5.0.10.2":"n"}},"sfr":{"desktop-webmail":{"2019-08":"n"},"ios":{"2019-08":"n"},"android":{"2019-08":"n"}},"protonmail":{"desktop-webmail":{"2020-03":"n"},"ios":{"2020-03":"n"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"n"}},"gmx":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"n"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"n"}}},
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 			"notes_by_num":null
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@@ -142,7 +142,7 @@
 			"last_test_date":"2021-05-25",
 			"test_url":"https://www.caniemail.com/tests/css-animation.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/u4oWccYOFNNyTagHs2NSUZqJYQ3MssrqDMocBnRa35hf7/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Buggy. The first rule inside a media query is not prefixed."}
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@@ -174,7 +174,7 @@
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 			"notes":null,
 			"notes_by_num":{"1":"Buggy. The first rule inside a media query is not prefixed."}
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@@ -206,7 +206,7 @@
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@@ -222,7 +222,7 @@
 			"last_test_date":"2021-02-20",
 			"test_url":"https://www.caniemail.com/tests/css-media-prefers-reduced-motion.html",
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@@ -235,12 +235,12 @@
 			"category":"css",
 			"tags":[],
 			"keywords":"media queries, media query, media feature",
-			"last_test_date":"2019-08-20",
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 			"notes":null,
-			"notes_by_num":{"1":"Partial. Does not support nested media queries.","2":"Partial. Only supports `screen`, `min-width`, `max-width`, `min-height` and `max-height` based media queries.","3":"Buggy. Requires a double `<head>` hack to work.","4":"Partial. Does not support simple `@media {}` declarations.","5":"Buggy. The first rule inside a media query is not prefixed.","6":"Partial. Not supported with non Gmail accounts.","7":"Partial. Does not support height based media queries.","8":"Partial. Does not support landscape media query."}
+			"notes_by_num":{"1":"Partial. Does not support nested media queries.","2":"Partial. Only supports `screen`, `min-width`, `max-width`, `min-height` and `max-height` based media queries.","3":"Buggy. Requires a double `<head>` hack to work.","4":"Partial. Does not support simple `@media {}` declarations.","5":"Buggy. The first rule inside a media query is not prefixed.","6":"Partial. Not supported with non Gmail accounts.","7":"Partial. Does not support height based media queries.","8":"Partial. Does not support landscape media query.","9":"Partial. Not supported with Hotmail/Outlook accounts.","10":"Partial. Nested media queries are removed."}
 		},
 	
 		{
@@ -254,7 +254,7 @@
 			"last_test_date":"2020-05-25",
 			"test_url":"https://www.caniemail.com/tests/css-at-supports.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/No78GouZXTsxEZCD6z4Hn2frAvg3tHBw1SRAP8SwPKsZ5/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Properties not supported by the client are replaced by `_filtered_a` inside the parenthesis.","2":"Not supported. `@supports` is transformed into `@media not all`."}
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 			"last_test_date":"2019-02-28",
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Not supported with non Gmail accounts."}
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@@ -286,7 +286,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Not supported with non Gmail accounts. But it can be used in the `background` shorthand property instead."}
 		},
@@ -302,7 +302,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Buggy. Only supports [color keywords from CSS Level 1](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#color_keywords)."}
 		},
@@ -318,7 +318,7 @@
 			"last_test_date":"2023-07-24",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/04SuPXr8tEGhWRlJ2Us6dA8BzgREpyxHYEmSBeyNuWyWo/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y","2023-07":"a #6","2023-08":"y"},"ios":{"2018-09":"a #1","2018-10":"y","2019-02":"y"},"android":{"2018-09":"a #1","2018-10":"y","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 #5","2010":"n #5","2013":"n #5","2016":"n #5","2019":"n #5"},"windows-mail":{"2019-02":"n"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"a #3 #4","2021-10":"a #3"},"ios":{"2019-02":"a #3 #4","2021-10":"a #3"},"android":{"2019-02":"a #3 #4","2021-10":"a #3"}},"aol":{"desktop-webmail":{"2019-02":"a #3 #4","2021-10":"a #3"},"ios":{"2019-02":"a #3 #4","2021-10":"a #3"},"android":{"2019-02":"a #3 #4","2021-10":"a #3"}},"samsung-email":{"android":{"5.0.10.2":"a #2","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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"}},"t-online-de":{"desktop-webmail":{"2021-11":"n"}},"free-fr":{"desktop-webmail":{"2021-11":"n"}},"gmx":{"desktop-webmail":{"2022-06":"a #3"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"a #3"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Not supported with non Gmail accounts.","2":"Buggy. Requires at least one `<img>` element in the email to download all images.","3":"Partial. Does not support multiple values. The comma between two values is removed.","4":"Partial. Images URL must be between quotes.","5":"Background images can be used in VML. See [backgrounds.cm](https://backgrounds.cm/) and [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/web-workshop---how-to-use-vml-on-web-pages-----fill--element).","6":"Partial and buggy. Removes the entire `style` attribute or `<style>` tag when a `url()` function with a valid image URL is present. See [Gmail rolling out changes that strip CSS with background images](https://freshinbox.com/blog/gmail-rolling-out-changes-that-strip-background-image-css/) and [Gmail and background images](https://parcel.io/blog/gmail-and-background-images)."}
 		},
@@ -334,7 +334,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a"},"android":{"2019-02":"a"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"n"},"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"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"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":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a"},"android":{"2019-02":"a"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"n"},"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"},"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":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"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":"Background images origin can be used in VML with the `origin` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/origin-attribute--fill--vml)."}
 		},
@@ -350,7 +350,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"a","2021-10":"y #1"},"android":{"2019-02":"a","2021-10":"y #1"},"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 #2","2010":"n #2","2013":"n #2","2016":"n #2","2019":"n #2"},"windows-mail":{"2019-02":"n"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"y #1"},"android":{"2019-02":"y #1"}},"aol":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"y #1"},"android":{"2019-02":"y #1"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"a #1"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"a #1"},"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":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"a","2021-10":"y #1"},"android":{"2019-02":"a","2021-10":"y #1"},"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 #2","2010":"n #2","2013":"n #2","2016":"n #2","2019":"n #2"},"windows-mail":{"2019-02":"n"},"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 #1"},"ios":{"2019-02":"y #1"},"android":{"2019-02":"y #1"}},"aol":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"y #1"},"android":{"2019-02":"y #1"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"a #1"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"a #1"},"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. Does not support multiple values. The comma between two values is removed.","2":"Background images position can be used in VML with the `position` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/position-attribute--fill--vml)."}
 		},
@@ -366,7 +366,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a","2021-10":"y"},"android":{"2019-02":"a","2021-10":"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 #2","2010":"n #2","2013":"n #2","2016":"n #2","2019":"n #2"},"windows-mail":{"2019-02":"n"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"y #1"},"android":{"2019-02":"y #1"}},"aol":{"desktop-webmail":{"2019-02":"y #1"},"ios":{"2019-02":"y #1"},"android":{"2019-02":"y #1"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"a #1"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"a #1"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Does not support multiple values. The comma between two values is removed.","2":"Background images repetition can be used in VML with the `type=\"tile\"` or `type=\"frame\"` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/type-attribute--fill--vml)."}
 		},
@@ -382,7 +382,7 @@
 			"last_test_date":"2019-02-28",
 			"test_url":"https://www.caniemail.com/tests/css-background.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/oxaaoE6R3ur4T9fAPzVsQ3G2R7p1c9axDm7LLgC3cKw0F/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":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"n"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n #3","2010":"n #3","2013":"n #3","2016":"n #3","2019":"n #3"},"windows-mail":{"2019-02":"n"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y #2"},"ios":{"2019-02":"y #2"},"android":{"2019-02":"y #2"}},"aol":{"desktop-webmail":{"2019-02":"y #2"},"ios":{"2019-02":"y #2"},"android":{"2019-02":"y #2"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"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":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"a #1"},"android":{"2019-02":"a #1"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"n"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n #3","2010":"n #3","2013":"n #3","2016":"n #3","2019":"n #3"},"windows-mail":{"2019-02":"n"},"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 #2"},"ios":{"2019-02":"y #2"},"android":{"2019-02":"y #2"}},"aol":{"desktop-webmail":{"2019-02":"y #2"},"ios":{"2019-02":"y #2"},"android":{"2019-02":"y #2"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0.04.6":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5.0":"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":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"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 Gmail accounts. But it can be used in the `background` shorthand property instead.","2":"Partial. Does not support multiple values. The comma between two values is removed.","3":"Background images size can be used in VML with the `size` attribute. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/size-attribute--fill--vml)."}
 		},
@@ -398,7 +398,7 @@
 			"last_test_date":"2023-07-24",
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@@ -494,7 +494,7 @@
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@@ -510,7 +510,7 @@
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 			"notes":null,
 			"notes_by_num":{"1":"Round corners can be used in VML with the `RoundRect` element. See [buttons.cm](https://buttons.cm/) and [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/msdn-online-vml-roundrect-element).","2":"Partial support. Shorthand for setting elliptical borders with the slash `/` notation is not supported e.g. `border-radius: 27% 73% 70% 30% / 30% 34% 66% 70%;`."}
 		},
@@ -526,7 +526,7 @@
 			"last_test_date":"2021-07-22",
 			"test_url":"https://www.caniemail.com/tests/css-border.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/jbuHMEUL4RGhgEHaRBjYJdJuonItGgpBGH9XWbqznvzrD/list",
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 			"notes":"This pages reports support for all CSS properties related to `border`: `border`, `border-width`, `border-style`, `border-color`, `border-top`, `border-bottom`, `border-left`, `border-right`, `border-top-width`, `border-top-style`, `border-top-color`, `border-bottom-width`, `border-bottom-style`, `border-bottom-color`, `border-left-width`, `border-left-style`, `border-left-color`, `border-right-width`, `border-right-style`, `border-right-color`.",
 			"notes_by_num":{"1":"Partial. A border can not be bigger than 8px.","2":"Buggy. Unreliable if used on a `<p>` or a `<div>`."}
 		},
@@ -534,15 +534,15 @@
 		{
 			"slug":"css-box-shadow",
 			"title":"box-shadow",
-			"description":"",
+			"description":"Adds shadow effects around an element's frame.",
 			"url":"https://www.caniemail.com/features/css-box-shadow/",
 			"category":"css",
 			"tags":[],
 			"keywords":null,
-			"last_test_date":"2023-01-15",
+			"last_test_date":"2023-12-20",
 			"test_url":"https://www.caniemail.com/tests/css-box-shadow.html",
-			"test_results_url":"https://testi.at/proj/po0Imx6tAX0U9bum5DTNpWcJ",
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Only supported with non Gmail accounts."}
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@@ -558,7 +558,7 @@
 			"last_test_date":"2019-02-28",
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 			"notes":null,
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@@ -574,7 +574,7 @@
 			"last_test_date":"2021-05-13",
 			"test_url":"https://www.caniemail.com/tests/css-caption-side.html",
 			"test_results_url":"https://testi.at/proj/JOOcrJZc0YcjDSZQRFP0OTlYXcw",
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 			"notes":null,
 			"notes_by_num":{"1":"The `caption-side` property in CSS is supported but the `<caption>` HTML element is not."}
 		},
@@ -590,11 +590,27 @@
 			"last_test_date":"2021-03-09",
 			"test_url":"https://www.caniemail.com/tests/css-clip-path.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/wp9G5kZZ8sY3lne7CeGvMmPIlyBT2Wy0nBMBBAevQNgQO/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. `path()` is not supported.","2":"Partial. [Embedded SVG](/features/html-svg/) is not supported. Referencing an embedded SVG's `<clipPath>` with `url()` does not work.","3":"Partial. Referencing an external SVG's `<clipPath>` with `url()` does not work."}
 		},
 	
+		{
+			"slug":"css-color-scheme",
+			"title":"color-scheme CSS property",
+			"description":"Changes the default colors of HTML elements. Useful for when you want an email to display only in a dark color scheme or only a light scheme, regardless of user settings",
+			"url":"https://www.caniemail.com/features/css-color-scheme/",
+			"category":"css",
+			"tags":[],
+			"keywords":"dark mode, light mode",
+			"last_test_date":"2023-09-18",
+			"test_url":"https://www.caniemail.com/tests/css-color-scheme.html",
+			"test_results_url":"",
+			"stats":{"apple-mail":{"macos":{"16.0":"y #1"},"ios":{"16.1":"y #1"}},"gmail":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"},"mobile-webmail":{"2023-09":"n"}},"orange":{"desktop-webmail":{"2022-12":"u"},"ios":{"2022-12":"u"},"android":{"2022-12":"u"}},"outlook":{"windows":{"2003":"u","2007":"u","2010":"u","2013":"u","2016":"n","2019":"n"},"windows-mail":{"2020-01":"u"},"macos":{"16.73":"n","16.80":"n"},"outlook-com":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"samsung-email":{"android":{"6.1":"y"}},"sfr":{"desktop-webmail":{"2022-12":"u"},"ios":{"2022-12":"u"},"android":{"2022-12":"u"}},"thunderbird":{"macos":{"102.11":"y"}},"aol":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"yahoo":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"protonmail":{"desktop-webmail":{"2023-09":"y"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"hey":{"desktop-webmail":{"2023-09":"n"}},"mail-ru":{"desktop-webmail":{"2023-09":"n"}},"fastmail":{"desktop-webmail":{"2023-09":"n"}},"laposte":{"desktop-webmail":{"2022-12":"u"}},"free-fr":{"desktop-webmail":{"2022-12":"u"}},"t-online-de":{"desktop-webmail":{"2023-09":"n"}},"gmx":{"desktop-webmail":{"2023-09":"n"},"ios":{"2022-06":"u"},"android":{"2022-06":"u"}},"web-de":{"desktop-webmail":{"2023-09":"n"},"ios":{"2022-06":"u"},"android":{"2022-06":"u"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"u"},"android":{"2022-06":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Works only the html/root element"}
+		},
+	
 		{
 			"slug":"css-column-count",
 			"title":"column-count",
@@ -606,7 +622,7 @@
 			"last_test_date":"2019-02-28",
 			"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":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","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"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"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":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"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":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","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"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"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":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"n"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
 			"notes_by_num":null
 		},
@@ -622,7 +638,7 @@
 			"last_test_date":"2022-08-02",
 			"test_url":"https://www.caniemail.com/tests/css-column-layout.html",
 			"test_results_url":"https://testi.at/proj/E87UgpgtlXxt6Rsx4Ec1pcxm",
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+			"stats":{"apple-mail":{"macos":{"15":"y"},"ios":{"15":"y"}},"gmail":{"desktop-webmail":{"2022-08":"y"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"},"mobile-webmail":{"2022-08":"y"}},"orange":{"desktop-webmail":{"2022-08":"u"},"ios":{"2022-08":"u"},"android":{"2022-08":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-08":"n"},"macos":{"2022-08":"y","16.80":"y"},"outlook-com":{"2022-08":"y"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"samsung-email":{"android":{"2022-08":"y"}},"sfr":{"desktop-webmail":{"2022-08":"u"},"ios":{"2022-08":"u"},"android":{"2022-08":"u"}},"thunderbird":{"macos":{"102.7":"y"}},"aol":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"n"},"android":{"2022-08":"n"}},"yahoo":{"desktop-webmail":{"2022-08":"n","2023-01":"n"},"ios":{"2022-08":"n","2023-01":"n"},"android":{"2022-08":"n"}},"protonmail":{"desktop-webmail":{"2023-01":"y"},"ios":{"2023-01":"y"},"android":{"2023-01":"y"}},"hey":{"desktop-webmail":{"2023-01":"y"}},"mail-ru":{"desktop-webmail":{"2022-08":"y"}},"fastmail":{"desktop-webmail":{"2023-01":"y"}},"laposte":{"desktop-webmail":{"2022-08":"u"}}},
 			"notes":null,
 			"notes_by_num":null
 		},
@@ -638,7 +654,7 @@
 			"last_test_date":"2023-01-02",
 			"test_url":"https://www.caniemail.com/tests/css-gradients.html",
 			"test_results_url":"",
-			"stats":{"apple-mail":{"macos":{"12":"y"},"ios":{"14":"y"}},"gmail":{"desktop-webmail":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"},"mobile-webmail":{"2022-12":"n"}},"orange":{"desktop-webmail":{"2023-01":"n"},"ios":{"2023-01":"n"},"android":{"2023-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2022-12":"n"},"macos":{"2022-12":"y"},"outlook-com":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"}},"samsung-email":{"android":{"6.0":"u"}},"sfr":{"desktop-webmail":{"2023-01":"y"},"ios":{"2023-01":"y"},"android":{"2023-01":"y"}},"thunderbird":{"macos":{"91.4.1":"y"}},"aol":{"desktop-webmail":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"}},"yahoo":{"desktop-webmail":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"}},"protonmail":{"desktop-webmail":{"2022-12":"y"},"ios":{"2022-12":"y"},"android":{"2022-12":"y"}},"hey":{"desktop-webmail":{"2022-12":"y"}},"mail-ru":{"desktop-webmail":{"2022-12":"y"}},"fastmail":{"desktop-webmail":{"2022-12":"y"}},"laposte":{"desktop-webmail":{"2023-01":"y"}},"t-online-de":{"desktop-webmail":{"2023-01":"y"}},"free-fr":{"desktop-webmail":{"2023-01":"n"}}},
+			"stats":{"apple-mail":{"macos":{"12":"y"},"ios":{"14":"y"}},"gmail":{"desktop-webmail":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"},"mobile-webmail":{"2022-12":"n"}},"orange":{"desktop-webmail":{"2023-01":"n"},"ios":{"2023-01":"n"},"android":{"2023-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2022-12":"n"},"macos":{"2022-12":"y","16.80":"y"},"outlook-com":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"}},"samsung-email":{"android":{"6.0":"u"}},"sfr":{"desktop-webmail":{"2023-01":"y"},"ios":{"2023-01":"y"},"android":{"2023-01":"y"}},"thunderbird":{"macos":{"91.4.1":"y"}},"aol":{"desktop-webmail":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"}},"yahoo":{"desktop-webmail":{"2022-12":"n"},"ios":{"2022-12":"n"},"android":{"2022-12":"n"}},"protonmail":{"desktop-webmail":{"2022-12":"y"},"ios":{"2022-12":"y"},"android":{"2022-12":"y"}},"hey":{"desktop-webmail":{"2022-12":"y"}},"mail-ru":{"desktop-webmail":{"2022-12":"y"}},"fastmail":{"desktop-webmail":{"2022-12":"y"}},"laposte":{"desktop-webmail":{"2023-01":"y"}},"t-online-de":{"desktop-webmail":{"2023-01":"y"}},"free-fr":{"desktop-webmail":{"2023-01":"n"}}},
 			"notes":null,
 			"notes_by_num":null
 		},
@@ -654,7 +670,7 @@
 			"last_test_date":"2021-10-05",
 			"test_url":"https://www.caniemail.com/tests/css-direction.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/TzLrUhEnTKX7mZ1LTCpvaZ2PNzg4mnsZtoLJi0FVbCSRD/list",
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+			"stats":{"apple-mail":{"macos":{"14":"y"},"ios":{"15":"y"}},"gmail":{"desktop-webmail":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"},"mobile-webmail":{"2021-10":"a #1"}},"orange":{"desktop-webmail":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"}},"outlook":{"windows":{"2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2021-10":"y"},"macos":{"16.55":"y","16.80":"y"},"outlook-com":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"}},"thunderbird":{"macos":{"78.14":"y"}},"aol":{"desktop-webmail":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"}},"yahoo":{"desktop-webmail":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"}},"protonmail":{"desktop-webmail":{"2021-10":"y"},"ios":{"2021-10":"y"},"android":{"2021-10":"y"}},"hey":{"desktop-webmail":{"2021-10":"y"}},"mail-ru":{"desktop-webmail":{"2021-10":"y"}},"fastmail":{"desktop-webmail":{"2021-10":"y"}},"laposte":{"desktop-webmail":{"2021-10":"y"}},"gmx":{"desktop-webmail":{"2021-12":"y"},"ios":{"2021-12":"y"},"android":{"2021-12":"y"}},"web-de":{"desktop-webmail":{"2021-12":"y"},"ios":{"2021-12":"y"},"android":{"2021-12":"y"}},"ionos-1and1":{"desktop-webmail":{"2021-12":"y"},"android":{"2021-12":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Buggy. The client applies an `rtl` direction to the entire email if it contains text in a `rtl` language."}
 		},
@@ -670,7 +686,7 @@
 			"last_test_date":"2021-11-02",
 			"test_url":"https://www.caniemail.com/tests/css-flexbox.html",
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+		{
+			"slug":"css-font-stretch",
+			"title":"font-stretch",
+			"description":"Selecting different font widths (e.g. condensed, expanded)",
+			"url":"https://www.caniemail.com/features/css-font-stretch/",
+			"category":"css",
+			"tags":[],
+			"keywords":"font",
+			"last_test_date":"2023-09-23",
+			"test_url":"https://www.caniemail.com/tests/css-font-stretch.html",
+			"test_results_url":"",
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+			"notes":null,
+			"notes_by_num":{"1":"Partial. Depends on the browser. There is currently a bug in Chrome/Edge where font-stretch does not work for variable fonts."}
+		},
+	
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 			"title":"font-weight",
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@@ -846,7 +878,7 @@
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 			"test_results_url":"https://app.emailonacid.com/app/acidtest/VfcyPsGJhy1PhKyxvuo0oXGz0tPdMLjc7tI37nGIW8HWu/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Partial. Big negative values are rendered differently from CSS standards.","2":"Buggy. Values set in `em` are smaller than the expected render in CSS. See [#192](https://github.com/hteumeuleu/caniemail/issues/192)."}
 		},
@@ -1054,7 +1086,7 @@
 			"last_test_date":"2021-10-02",
 			"test_url":"https://www.caniemail.com/tests/css-line-height.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/POu1Ixvy9x2XUtzmwlFPA4Lx8DDVhRpGvraSjEmf9DnDG/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Buggy. `em` and `px` units behave weirdly. Use `mso-line-height-rule:exactly`.","2":"Partial. `normal` value is not supported."}
 		},
@@ -1070,7 +1102,7 @@
 			"last_test_date":"2021-12-29",
 			"test_url":"https://www.caniemail.com/tests/css-gradients.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/8FCYDYSPXot6jquGzeiqGsfoeCU4tvCeRpnVG0z6luNLr/list",
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 			"notes":null,
 			"notes_by_num":{"1":"Gradients can be created in VML using `type=\"gradient\"` on a `<v:fill>`. See [VML documentation](https://docs.microsoft.com/en-us/windows/win32/vml/web-workshop---how-to-use-vml-on-web-pages-----fill--element#gradient-fill)."}
 		},
@@ -1086,7 +1118,7 @@
 			"last_test_date":"2020-04-20",
 			"test_url":"https://www.caniemail.com/tests/css-list.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"13.4":"y"}},"gmail":{"desktop-webmail":{"2020-04":"n"},"ios":{"2020-04":"n"},"android":{"2020-04":"n"},"mobile-webmail":{"2020-04":"n"}},"orange":{"desktop-webmail":{"2020-04":"y","2021-03":"n"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"outlook":{"windows":{"2003":"y","2007":"n #1","2010":"n #1","2013":"n #1","2016":"n #1","2019":"n #1"},"windows-mail":{"2020-04":"n #1"},"macos":{"2011":"y","2016":"y"},"outlook-com":{"2020-04":"n #2"},"ios":{"2020-04":"n #2"},"android":{"2020-04":"n #2"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"thunderbird":{"macos":{"68.7":"y"}},"aol":{"desktop-webmail":{"2020-04":"n"},"ios":{"2020-04":"n"},"android":{"2020-04":"n"}},"yahoo":{"desktop-webmail":{"2020-04":"n"},"ios":{"2020-04":"n"},"android":{"2020-04":"n"}},"protonmail":{"desktop-webmail":{"2020-04":"n #3"},"ios":{"2020-04":"y"},"android":{"2020-04":"n"}},"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"}}},
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 			"notes":null,
 			"notes_by_num":{"1":"Not supported, but the proprietary `mso-bullet-image` property can be used instead on `<li>`. Outlook 2007 and 2010 only support `.ico` and `.gif` file formats.","2":"Not supported, but image values are supported through the `list-style` shorthand property.","3":"`url()` is transformed into `proton-url()`."}
 		},
@@ -1102,7 +1134,7 @@
 			"last_test_date":"2020-04-20",
 			"test_url":"https://www.caniemail.com/tests/css-list.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"13.4":"y"}},"gmail":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"},"mobile-webmail":{"2020-04":"y"}},"orange":{"desktop-webmail":{"2020-04":"y","2021-03":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"outlook":{"windows":{"2003":"y","2007":"n #1","2010":"n #1","2013":"n #1","2016":"n #1","2019":"n #1"},"windows-mail":{"2020-04":"n #1"},"macos":{"2011":"y","2016":"y"},"outlook-com":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"thunderbird":{"macos":{"68.7":"y"}},"aol":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"yahoo":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"protonmail":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"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"}}},
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 			"notes":null,
 			"notes_by_num":{"1":"Not supported, but the proprietary `mso-text-indent-alt` property can be used instead."}
 		},
@@ -1118,7 +1150,7 @@
 			"last_test_date":"2020-04-20",
 			"test_url":"https://www.caniemail.com/tests/css-list.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/ifwlqtEsBCU23xVI7NgjBqvJlcJ4c20Akv3aRW3ugRJsP/list",
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+			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"13.4":"y"}},"gmail":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"},"mobile-webmail":{"2020-04":"y"}},"orange":{"desktop-webmail":{"2020-04":"y","2021-03":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"outlook":{"windows":{"2003":"y","2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2020-04":"y"},"macos":{"2011":"y","2016":"y","16.80":"y"},"outlook-com":{"2020-04":"y","2023-12":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"thunderbird":{"macos":{"68.7":"y"}},"aol":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"yahoo":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"y"}},"protonmail":{"desktop-webmail":{"2020-04":"y"},"ios":{"2020-04":"y"},"android":{"2020-04":"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":"Tests and support are based on the CSS Level 2 specification. `<custom-ident>`, `symbols()` and `<string>` values are not tested here.",
 			"notes_by_num":{}
 		},
@@ -1134,7 +1166,7 @@
 			"last_test_date":"2020-04-20",
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 		},
@@ -1550,7 +1582,7 @@
 			"last_test_date":"2021-05-16",
 			"test_url":"https://www.caniemail.com/tests/css-positioning.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/E45AW3a9IiIhUSBpv3dc1qPfMiMN8mLepy5BsvqtpXhhy/list",
-			"stats":{"apple-mail":{"macos":{"14":"a #1"},"ios":{"14.5":"a #1"}},"gmail":{"desktop-webmail":{"2021-05":"n"},"ios":{"2021-05":"n"},"android":{"2021-05":"n"},"mobile-webmail":{"2021-05":"n"}},"orange":{"desktop-webmail":{"2021-05":"a #1"},"ios":{"2021-05":"a #1"},"android":{"2021-05":"a #1"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2021-05":"n"},"macos":{"2016":"y","16.50":"y"},"outlook-com":{"2021-05":"a #2"},"ios":{"2021-05":"n"},"android":{"2021-05":"a #2"}},"samsung-email":{"android":{"6.0":"a #1"}},"sfr":{"desktop-webmail":{"2021-05":"a #4"},"ios":{"2021-05":"a #4"},"android":{"2021-05":"a #4"}},"thunderbird":{"macos":{"78.10":"y"}},"aol":{"desktop-webmail":{"2021-05":"a #3"},"ios":{"2021-05":"a #3"},"android":{"2021-05":"a #3"}},"yahoo":{"desktop-webmail":{"2021-05":"a #3"},"ios":{"2021-05":"a #3"},"android":{"2021-05":"a #3"}},"protonmail":{"desktop-webmail":{"2021-05":"y"},"ios":{"2021-05":"y"},"android":{"2021-05":"y"}},"hey":{"desktop-webmail":{"2021-05":"a #4"}},"mail-ru":{"desktop-webmail":{"2021-05":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"a #1 #6"}},"laposte":{"desktop-webmail":{"2021-08":"a #4"}},"gmx":{"desktop-webmail":{"2022-06":"y #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y #5"}},"web-de":{"desktop-webmail":{"2022-06":"y #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y #5"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y #5"}}},
+			"stats":{"apple-mail":{"macos":{"14":"a #1"},"ios":{"14.5":"a #1"}},"gmail":{"desktop-webmail":{"2021-05":"n"},"ios":{"2021-05":"n"},"android":{"2021-05":"n"},"mobile-webmail":{"2021-05":"n"}},"orange":{"desktop-webmail":{"2021-05":"a #1"},"ios":{"2021-05":"a #1"},"android":{"2021-05":"a #1"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2021-05":"n"},"macos":{"2016":"y","16.50":"y","16.80":"a #2"},"outlook-com":{"2021-05":"a #2","2023-12":"a #2"},"ios":{"2021-05":"n"},"android":{"2021-05":"a #2"}},"samsung-email":{"android":{"6.0":"a #1"}},"sfr":{"desktop-webmail":{"2021-05":"a #4"},"ios":{"2021-05":"a #4"},"android":{"2021-05":"a #4"}},"thunderbird":{"macos":{"78.10":"y"}},"aol":{"desktop-webmail":{"2021-05":"a #3"},"ios":{"2021-05":"a #3"},"android":{"2021-05":"a #3"}},"yahoo":{"desktop-webmail":{"2021-05":"a #3"},"ios":{"2021-05":"a #3"},"android":{"2021-05":"a #3"}},"protonmail":{"desktop-webmail":{"2021-05":"y"},"ios":{"2021-05":"y"},"android":{"2021-05":"y"}},"hey":{"desktop-webmail":{"2021-05":"a #4"}},"mail-ru":{"desktop-webmail":{"2021-05":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"a #1 #6"}},"laposte":{"desktop-webmail":{"2021-08":"a #4"}},"gmx":{"desktop-webmail":{"2022-06":"y #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y #5"}},"web-de":{"desktop-webmail":{"2022-06":"y #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y #5"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y #5"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial. Supports `relative`, `absolute` but not `sticky` and `fixed`.","2":"Partial. Supports `sticky` but not `relative`, `absolute` and `fixed`.","3":"Partial. Supports `relative` but not  `absolute`, `sticky` and `fixed`.","4":"Partial. Supports `relative` and `sticky` but not `absolute` and `fixed`.","5":"Buggy. `fixed` elements scroll with page.","6":"Buggy. `fixed` is replaced by `absolute`."}
 		},
@@ -2307,6 +2339,54 @@
 			"notes_by_num":{"1":"Supported with prefix `-webkit-`.","2":"Not supported, but the proprietary `text-underline-color` property can be used instead.","3":"Partial. Not supported with non Gmail accounts."}
 		},
 	
+		{
+			"slug":"css-text-decoration-line",
+			"title":"text-decoration-line",
+			"description":"Sets the kind of decoration that is used on text in an element, such as an underline or overline.",
+			"url":"https://www.caniemail.com/features/css-text-decoration-line/",
+			"category":"css",
+			"tags":[],
+			"keywords":"underline, overline, line-through",
+			"last_test_date":"2023-12-06",
+			"test_url":"https://www.caniemail.com/tests/css-text-decoration-line.html",
+			"test_results_url":"https://testi.at/proj/kg6y1a4eiynkf8z7t4",
+			"stats":{"apple-mail":{"macos":{"2023-12":"y"},"ios":{"11":"n","12":"y","13":"y","14":"y"}},"gmail":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y"},"mobile-webmail":{"2023-12":"y"}},"orange":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2023-12":"n"},"macos":{"2023-12":"y"},"outlook-com":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"y"}},"yahoo":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"n"}},"aol":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"n"}},"samsung-email":{"android":{"2023-12":"y"}},"sfr":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"thunderbird":{"macos":{"2023-12":"y"}},"protonmail":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"hey":{"desktop-webmail":{"2023-12":"u"}},"mail-ru":{"desktop-webmail":{"2023-12":"y"}},"fastmail":{"desktop-webmail":{"2023-12":"u"}},"laposte":{"desktop-webmail":{"2023-12":"u"}},"gmx":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"web-de":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"ionos-1and1":{"desktop-webmail":{"2023-12":"u"},"android":{"2023-12":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
+		{
+			"slug":"css-text-decoration-skip-ink",
+			"title":"text-decoration-skip-ink",
+			"description":"Specifies how overlines and underlines are drawn when they pass over glyph ascenders and descenders.",
+			"url":"https://www.caniemail.com/features/css-text-decoration-skip-ink/",
+			"category":"css",
+			"tags":[],
+			"keywords":"underline",
+			"last_test_date":"2023-12-08",
+			"test_url":"https://www.caniemail.com/tests/css-text-decoration-skip-ink.html",
+			"test_results_url":"https://testi.at/proj/n477u94ixnz0kbrh6",
+			"stats":{"apple-mail":{"macos":{"10.15":"n","11.7":"n","12.7":"y","13.6":"y"},"ios":{"10":"n","11":"n","12":"n","13":"y","14":"y","15":"y"}},"gmail":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"},"mobile-webmail":{"2023-12":"n"}},"orange":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2023-12":"n"},"macos":{"2023-12":"n"},"outlook-com":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"yahoo":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"aol":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"samsung-email":{"android":{"2023-12":"y"}},"sfr":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"thunderbird":{"macos":{"2023-12":"y"}},"protonmail":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"u"}},"hey":{"desktop-webmail":{"2023-12":"y"}},"mail-ru":{"desktop-webmail":{"2023-12":"y"}},"fastmail":{"desktop-webmail":{"2023-12":"y"}},"laposte":{"desktop-webmail":{"2023-12":"y"}},"gmx":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"web-de":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"ionos-1and1":{"desktop-webmail":{"2023-12":"u"},"android":{"2023-12":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
+		{
+			"slug":"css-text-decoration-style",
+			"title":"text-decoration-style",
+			"description":"Sets the style of the lines specified by text-decoration-line.",
+			"url":"https://www.caniemail.com/features/css-text-decoration-style/",
+			"category":"css",
+			"tags":[],
+			"keywords":"underline",
+			"last_test_date":"2023-12-06",
+			"test_url":"https://www.caniemail.com/tests/css-text-decoration-style.html",
+			"test_results_url":"https://testi.at/proj/jalr04oy0yrxfd7kuo",
+			"stats":{"apple-mail":{"macos":{"2023-12":"y"},"ios":{"11":"n","12":"y","13":"y","14":"y"}},"gmail":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y"},"mobile-webmail":{"2023-12":"y"}},"orange":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2023-12":"n"},"macos":{"2023-12":"y"},"outlook-com":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"y"}},"yahoo":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"n"}},"aol":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-12":"n"}},"samsung-email":{"android":{"2023-12":"y"}},"sfr":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"thunderbird":{"macos":{"2023-12":"y"}},"protonmail":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"hey":{"desktop-webmail":{"2023-12":"u"}},"mail-ru":{"desktop-webmail":{"2023-12":"y"}},"fastmail":{"desktop-webmail":{"2023-12":"u"}},"laposte":{"desktop-webmail":{"2023-12":"u"}},"gmx":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"web-de":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"ionos-1and1":{"desktop-webmail":{"2023-12":"u"},"android":{"2023-12":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-text-decoration-thickness",
 			"title":"text-decoration-thickness",
@@ -2387,6 +2467,22 @@
 			"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-orientation",
+			"title":"text-orientation",
+			"description":"Sets the orientation of the text characters in vertical mode.",
+			"url":"https://www.caniemail.com/features/css-text-orientation/",
+			"category":"css",
+			"tags":[],
+			"keywords":"vertical orientation",
+			"last_test_date":"2023-12-08",
+			"test_url":"https://www.caniemail.com/tests/css-text-orientation.html",
+			"test_results_url":"https://testi.at/proj/6vppidbfjxnczrxh4",
+			"stats":{"apple-mail":{"macos":{"10.15":"a #1","11.7":"y","12.7":"y","13.6":"y","14.1":"y"},"ios":{"10":"n","11":"n","12":"y","13":"y","14":"y","15":"y"}},"gmail":{"desktop-webmail":{"2023-12":"y"},"ios":{"10":"n","11":"n","12":"y","13":"y","14":"y","15":"y"},"android":{"2023-12":"y"},"mobile-webmail":{"2023-12":"y"}},"orange":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2023-12":"n"},"macos":{"2023-12":"n"},"outlook-com":{"2023-12":"y"},"ios":{"10":"n","11":"n","12":"y","13":"y","14":"y","15":"y"},"android":{"2023-12":"y"}},"yahoo":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"aol":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"samsung-email":{"android":{"2023-12":"y"}},"sfr":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"thunderbird":{"macos":{"2023-12":"y"}},"protonmail":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"hey":{"desktop-webmail":{"2023-12":"u"}},"mail-ru":{"desktop-webmail":{"2023-12":"y"}},"fastmail":{"desktop-webmail":{"2023-12":"u"}},"laposte":{"desktop-webmail":{"2023-12":"u"}},"gmx":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"web-de":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"ionos-1and1":{"desktop-webmail":{"2023-12":"u"},"android":{"2023-12":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. `sideways` is not supported"}
+		},
+	
 		{
 			"slug":"css-text-overflow",
 			"title":"text-overflow",
@@ -2451,6 +2547,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-text-underline-position",
+			"title":"text-underline-position",
+			"description":"Specifies the position of the underline which is set using the `text-decoration property`'s underline value.",
+			"url":"https://www.caniemail.com/features/css-text-underline-position/",
+			"category":"css",
+			"tags":[],
+			"keywords":"underline",
+			"last_test_date":"2023-12-08",
+			"test_url":"https://www.caniemail.com/tests/css-text-underline-position.html",
+			"test_results_url":"https://testi.at/proj/yd99u8e12nvh97jcv",
+			"stats":{"apple-mail":{"macos":{"2023-12":"a #1"},"ios":{"2023-12":"a #1"}},"gmail":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"a #1"},"android":{"2023-12":"y"},"mobile-webmail":{"2023-12":"y"}},"orange":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2023-12":"n"},"macos":{"2023-12":"n"},"outlook-com":{"2023-12":"y"},"ios":{"2023-12":"a #1"},"android":{"2023-12":"y"}},"yahoo":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"aol":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"n"},"android":{"2023-12":"n"}},"samsung-email":{"android":{"2023-12":"y"}},"sfr":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"thunderbird":{"macos":{"2023-12":"y"}},"protonmail":{"desktop-webmail":{"2023-12":"u"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"hey":{"desktop-webmail":{"2023-12":"u"}},"mail-ru":{"desktop-webmail":{"2023-12":"y"}},"fastmail":{"desktop-webmail":{"2023-12":"u"}},"laposte":{"desktop-webmail":{"2023-12":"u"}},"gmx":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"web-de":{"desktop-webmail":{"2023-12":"n"},"ios":{"2023-12":"u"},"android":{"2023-12":"u"}},"ionos-1and1":{"desktop-webmail":{"2023-12":"u"},"android":{"2023-12":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. Supports `under` but not `right` and `left`"}
+		},
+	
 		{
 			"slug":"css-transform",
 			"title":"transform",
@@ -3173,7 +3285,7 @@
 	
 		{
 			"slug":"html-dfn",
-			"title":"<def> element",
+			"title":"<dfn> element",
 			"description":"It is used to identify a term that is going to be described within the content.",
 			"url":"https://www.caniemail.com/features/html-dfn/",
 			"category":"html",
@@ -3331,6 +3443,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"html-img",
+			"title":"<img> element",
+			"description":"Displays an image into the document",
+			"url":"https://www.caniemail.com/features/html-img/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2023-12-16",
+			"test_url":"https://www.caniemail.com/tests/html-img.html",
+			"test_results_url":"https://testi.at/proj/dyogfa8504y2cljofa2",
+			"stats":{"apple-mail":{"macos":{"2023-09":"y"},"ios":{"2023-09":"y"}},"gmail":{"desktop-webmail":{"2023-09":"y"},"ios":{"2023-09":"y"},"android":{"2023-09":"y"},"mobile-webmail":{"2023-09":"y"}},"orange":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-09":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2023-09":"y"},"macos":{"16.56":"y"},"outlook-com":{"2023-09":"y"},"ios":{"2023-09":"y"},"android":{"2023-09":"y"}},"samsung-email":{"android":{"2023-09":"y"}},"sfr":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-09":"u"}},"thunderbird":{"macos":{"102.10.1":"u"}},"aol":{"desktop-webmail":{"2023-09":"y"},"ios":{"2023-09":"y"},"android":{"2023-09":"y"}},"yahoo":{"desktop-webmail":{"2023-09":"y"},"ios":{"2023-09":"y"},"android":{"2023-09":"y"}},"protonmail":{"desktop-webmail":{"2023-12":"y"},"ios":{"2023-12":"y"},"android":{"2023-09":"u"}},"hey":{"desktop-webmail":{"2023-12":"y"}},"mail-ru":{"desktop-webmail":{"2023-09":"y"}},"fastmail":{"desktop-webmail":{"2023-12":"y"}},"laposte":{"desktop-webmail":{"2023-09":"y"}},"free-fr":{"desktop-webmail":{"2023-12":"y"}},"t-online-de":{"desktop-webmail":{"2023-09":"u"}},"gmx":{"desktop-webmail":{"2023-09":"u"}},"web-de":{"desktop-webmail":{"2023-09":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-input-checkbox",
 			"title":"<input type=\"checkbox\"> element",
@@ -3451,10 +3579,10 @@
 			"category":"html",
 			"tags":[],
 			"keywords":"css, style",
-			"last_test_date":"2019-02-28",
+			"last_test_date":"2023-12-21",
 			"test_url":"https://www.caniemail.com/tests/css-placement.html",
-			"test_results_url":"https://app.emailonacid.com/app/acidtest/6vV9sx4RoRsdnkZBDjLWwSC18VcUQzJY00tlj2NVSxKKv/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"n"},"ios":{"2019-08":"y"},"android":{"2019-10":"y"}},"outlook":{"windows":{"2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2019-02":"y"},"macos":{"2019-02":"y"},"outlook-com":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"thunderbird":{"macos":{"60.8":"y","78.5":"n"}},"yahoo":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2020-01":"n"}},"samsung-email":{"android":{"5.0.10.2":"n"}},"sfr":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"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":{"2020-09":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"n"}},"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://app.emailonacid.com/app/acidtest/4eAS6hlxtHuqL7tea72awaBTYF24iTYG36GsEOWVnrBJ4/list",
+			"stats":{"apple-mail":{"macos":{"12.4":"y","16.0":"y"},"ios":{"12.1":"y","17.2":"y"}},"gmail":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"n","2023-12":"n"},"ios":{"2019-08":"y","2023-12":"n"},"android":{"2019-10":"y","2023-12":"n"}},"outlook":{"windows":{"2007":"y","2010":"y","2013":"y","2016":"y","2019":"y"},"windows-mail":{"2019-02":"y"},"macos":{"2019-02":"y","16.80":"n"},"outlook-com":{"2019-02":"n","2023-12":"n"},"ios":{"2019-02":"n","2023-12":"n"},"android":{"2019-02":"n","2023-12":"n"}},"thunderbird":{"macos":{"60.8":"y","78.5":"n"}},"yahoo":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2019-02":"n"}},"aol":{"desktop-webmail":{"2019-02":"n"},"ios":{"2019-02":"n"},"android":{"2020-01":"n"}},"samsung-email":{"android":{"5.0.10.2":"n"}},"sfr":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"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":{"2020-09":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"n"}},"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"}},"wp-pl":{"desktop-webmail":{"2023-12":"n"}}},
 			"notes":null,
 			"notes_by_num":null
 		},
@@ -3523,6 +3651,22 @@
 			"notes_by_num":{"1":"The `<marquee>` element is supported but the animation doesn't play in Internet Explorer or Firefox.","2":"The `behavior` attribute is not supported."}
 		},
 	
+		{
+			"slug":"html-meta-color-scheme",
+			"title":"color-scheme meta tag",
+			"description":"Changes the default colors of HTML elements. Useful for when you want an email to display only in a dark color scheme or only a light scheme, regardless of user settings. Equivalent to setting the color-scheme CSS property on the root element",
+			"url":"https://www.caniemail.com/features/html-meta-color-scheme/",
+			"category":"html",
+			"tags":[],
+			"keywords":"dark-mode",
+			"last_test_date":"2023-09-18",
+			"test_url":"https://www.caniemail.com/tests/html-meta-color-scheme.html",
+			"test_results_url":"",
+			"stats":{"apple-mail":{"macos":{"16":"y"},"ios":{"12.4":"n"}},"gmail":{"desktop-webmail":{"2023-09":"n"},"ios":{"2019-09":"n"},"android":{"2023-09":"n"},"mobile-webmail":{"2023-09":"n"}},"orange":{"desktop-webmail":{"2021-03":"u"},"ios":{"2020-01":"u"},"android":{"2020-01":"u"}},"outlook":{"windows":{"2003":"u","2007":"u","2010":"u","2013":"u","2016":"n","2019":"n"},"windows-mail":{"2023-09":"n"},"macos":{"2023":"n"},"outlook-com":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"samsung-email":{"android":{"9.1":"n"}},"sfr":{"desktop-webmail":{"2020-01":"u"},"ios":{"2020-01":"u"},"android":{"2020-01":"u"}},"thunderbird":{"macos":{"102.11":"y"}},"yahoo":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"aol":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"protonmail":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"n"}},"hey":{"desktop-webmail":{"2023-09":"n"}},"mail-ru":{"desktop-webmail":{"2023-09":"n"}},"fastmail":{"desktop-webmail":{"2023-09":"n"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2023-09":"n"},"ios":{"2022-11":"u"},"android":{"2022-11":"u"}},"web-de":{"desktop-webmail":{"2023-09":"n"},"ios":{"2022-11":"u"},"android":{"2022-11":"u"}},"ionos-1and1":{"desktop-webmail":{"2022-11":"u"},"android":{"2022-11":"u"}}},
+			"notes":"",
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-meter",
 			"title":"<meter> element",
@@ -3587,6 +3731,22 @@
 			"notes_by_num":{"1":"`<picture>` and `<source>` tags are replaced by `<u></u>` tags."}
 		},
 	
+		{
+			"slug":"html-popover",
+			"title":"popover attribute",
+			"description":"Show and hide things",
+			"url":"https://www.caniemail.com/features/html-popover/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2023-09-25",
+			"test_url":"https://www.caniemail.com/tests/html-popover.html",
+			"test_results_url":"",
+			"stats":{"apple-mail":{"macos":{"16":"y"},"ios":{"16":"y"}},"gmail":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"u"},"mobile-webmail":{"2023-09":"u"}},"orange":{"desktop-webmail":{"2019-08":"u","2021-03":"u"},"ios":{"2019-08":"u"},"android":{"2019-08":"u"}},"outlook":{"windows":{"2007":"u","2010":"u","2013":"u","2016":"u","2019":"u"},"windows-mail":{"2019-02":"u"},"macos":{"2023-09":"n"},"outlook-com":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"u"}},"yahoo":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2019-02":"u"}},"aol":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"u"}},"samsung-email":{"android":{"5.0.10.2":"u"}},"sfr":{"desktop-webmail":{"2019-08":"u"},"ios":{"2019-08":"u"},"android":{"2019-08":"u"}},"thunderbird":{"macos":{"115.2":"n"}},"protonmail":{"desktop-webmail":{"2023-09":"n"},"ios":{"2023-09":"n"},"android":{"2023-09":"u"}},"hey":{"desktop-webmail":{"2023-09":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"u"}},"fastmail":{"desktop-webmail":{"2023-09":"n"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2022-06":"u"},"ios":{"2022-06":"u"},"android":{"2022-06":"u"}},"web-de":{"desktop-webmail":{"2022-06":"u"},"ios":{"2022-06":"u"},"android":{"2022-06":"u"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"u"},"android":{"2022-06":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-pre",
 			"title":"<pre> element",
@@ -3822,7 +3982,7 @@
 			"last_test_date":"2023-07-27",
 			"test_url":"https://www.caniemail.com/tests/html-style.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/od5IYQtx8yIbIUbeRyQXnP0yzFKEm2E9CKa3FU4BcEXFv/list",
-			"stats":{"apple-mail":{"macos":{"10.3":"y","16.0":"y"},"ios":{"10.3":"y","12.3":"y","16.2":"y"}},"gmail":{"desktop-webmail":{"2019-06":"a #1","2023-01":"a #1"},"ios":{"2019-06":"a #1 #2","2023-01":"a #1 #2"},"android":{"2019-06":"a #1 #2"},"mobile-webmail":{"2020-02":"n","2023-01":"n"}},"orange":{"desktop-webmail":{"2019-06":"y","2021-03":"y","2023-02":"y"},"ios":{"2019-06":"y","2023-02":"y"},"android":{"2019-06":"n","2019-08":"y","2023-02":"y"}},"outlook":{"windows":{"2003":"y","2007":"a #4","2010":"a #4","2013":"a #4","2016":"a #4","2019":"a #4"},"windows-mail":{"2020-01":"a #4","2023-01":"a #4"},"macos":{"2011":"y","2016":"y","2019":"y","2021":"y"},"outlook-com":{"2019-06":"y","2023-01":"y"},"ios":{"2019-06":"y","2023-01":"y"},"android":{"2019-06":"y"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0":"y"}},"sfr":{"desktop-webmail":{"2019-06":"y","2023-02":"y"},"ios":{"2019-06":"n","2023-02":"n"},"android":{"2019-06":"n","2023-02":"n"}},"thunderbird":{"macos":{"60.3":"y","102.7":"y"},"windows":{"102.7":"y"}},"aol":{"desktop-webmail":{"2020-01":"y","2023-01":"y"},"ios":{"2020-01":"y","2023-01":"y"},"android":{"2020-01":"y"}},"yahoo":{"desktop-webmail":{"2019-06":"y #5","2023-01":"y"},"ios":{"2019-06":"y","2023-01":"y"},"android":{"2019-06":"a #3","2023-01":"a #3"}},"protonmail":{"desktop-webmail":{"2020-03":"n","2022-02":"y","2023-01":"y"},"ios":{"2020-03":"n","2023-01":"a #1"},"android":{"2020-03":"a #1"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-09":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"},"ios":{"2023-02":"n"},"android":{"2023-02":"n"}},"gmx":{"desktop-webmail":{"2022-11":"y","2023-07":"n"},"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"}},"rainloop":{"desktop-webmail":{"2023-02":"n"}}},
+			"stats":{"apple-mail":{"macos":{"10.3":"y","16.0":"y"},"ios":{"10.3":"y","12.3":"y","16.2":"y"}},"gmail":{"desktop-webmail":{"2019-06":"a #1","2023-01":"a #1"},"ios":{"2019-06":"a #1 #2","2023-01":"a #1 #2"},"android":{"2019-06":"a #1 #2"},"mobile-webmail":{"2020-02":"n","2023-01":"n"}},"orange":{"desktop-webmail":{"2019-06":"y","2021-03":"y","2023-02":"y"},"ios":{"2019-06":"y","2023-02":"y"},"android":{"2019-06":"n","2019-08":"y","2023-02":"y"}},"outlook":{"windows":{"2003":"y","2007":"a #4","2010":"a #4","2013":"a #4","2016":"a #4","2019":"a #4"},"windows-mail":{"2020-01":"a #4","2023-01":"a #4"},"macos":{"2011":"y","2016":"y","2019":"y","2021":"y"},"outlook-com":{"2019-06":"y","2023-01":"y"},"ios":{"2019-06":"y","2023-01":"y"},"android":{"2019-06":"y"}},"samsung-email":{"android":{"5.0.10.2":"y","6.0":"y"}},"sfr":{"desktop-webmail":{"2019-06":"y","2023-02":"y"},"ios":{"2019-06":"n","2023-02":"n"},"android":{"2019-06":"n","2023-02":"n"}},"thunderbird":{"macos":{"60.3":"y","102.7":"y"},"windows":{"102.7":"y"}},"aol":{"desktop-webmail":{"2020-01":"y","2023-01":"y"},"ios":{"2020-01":"y","2023-01":"y"},"android":{"2020-01":"y"}},"yahoo":{"desktop-webmail":{"2019-06":"y #5","2023-01":"y"},"ios":{"2019-06":"y","2023-01":"y"},"android":{"2019-06":"a #3","2023-01":"a #3"}},"protonmail":{"desktop-webmail":{"2020-03":"n","2022-02":"y","2023-01":"y"},"ios":{"2020-03":"n","2023-01":"a #1"},"android":{"2020-03":"a #1"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-09":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"},"ios":{"2023-02":"n"},"android":{"2023-02":"n"}},"gmx":{"desktop-webmail":{"2022-11":"y","2023-07":"n"},"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"}},"rainloop":{"desktop-webmail":{"2023-02":"n"}},"wp-pl":{"desktop-webmail":{"2023-12":"y"}}},
 			"notes":"",
 			"notes_by_num":{"1":"Partial. Not supported inside the `<body>`.","2":"Partial. Not supported with Non Gmail Accounts.","3":"Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.","4":"Buggy. `<style>` elements need to be declared before their rules are used.","5":"A CSS rule following a CSS comment is ignored. (See [email-bugs#25](https://github.com/hteumeuleu/email-bugs/issues/25).)"}
 		},

internal/htmlcheck/css.go

@@ -25,14 +25,12 @@ func runCSSTests(html string) ([]Warning, int, error) {
 
 	inlined, err := inlineRemoteCSS(html)
 	if err != nil {
-		// logger.Log().Warn(err)
 		inlined = html
 	}
 
 	// merge all CSS inline
 	merged, err := mergeInlineCSS(inlined)
 	if err != nil {
-		// logger.Log().Warn(err)
 		merged = inlined
 	}
 
@@ -157,7 +155,7 @@ func inlineRemoteCSS(h string) (string, error) {
 
 				resp, err := downloadToBytes(a.Val)
 				if err != nil {
-					logger.Log().Warningf("html check failed to download %s", a.Val)
+					logger.Log().Warnf("[html-check] failed to download %s", a.Val)
 					continue
 				}
 
@@ -179,7 +177,7 @@ func inlineRemoteCSS(h string) (string, error) {
 
 	newDoc, err := doc.Html()
 	if err != nil {
-		logger.Log().Warning(err)
+		logger.Log().Warnf("[html-check] failed to download %s", err.Error())
 		return h, err
 	}
 

internal/linkcheck/status.go

@@ -79,7 +79,7 @@ func doHead(link string, followRedirects bool) (int, error) {
 
 	req, err := http.NewRequest("HEAD", link, nil)
 	if err != nil {
-		logger.Log().Error(err)
+		logger.Log().Errorf("[link-check] %s", err.Error())
 		return 0, err
 	}
 

internal/spamassassin/postmark/postmark.go

@@ -0,0 +1,100 @@
+// Package postmark uses the free https://spamcheck.postmarkapp.com/
+// See https://spamcheck.postmarkapp.com/doc/ for more details.
+package postmark
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"regexp"
+	"strings"
+	"time"
+)
+
+// Response struct
+type Response struct {
+	Success bool   `json:"success"`
+	Message string `json:"message"` // for errors only
+	Score   string `json:"score"`
+	Rules   []Rule `json:"rules"`
+	Report  string `json:"report"` // ignored
+}
+
+// Rule struct
+type Rule struct {
+	Score string `json:"score"`
+	// Name not returned by postmark but rather extracted from description
+	Name        string `json:"name"`
+	Description string `json:"description"`
+}
+
+// Check will post the email data to Postmark
+func Check(email []byte, timeout int) (Response, error) {
+	r := Response{}
+	// '{"email":"raw dump of email", "options":"short"}'
+	var d struct {
+		// The raw dump of the email to be filtered, including all headers.
+		Email string `json:"email"`
+		// Default "long". Must either be "long" for a full report of processing rules, or "short" for a score request.
+		Options string `json:"options"`
+	}
+
+	d.Email = string(email)
+	d.Options = "long"
+
+	data, err := json.Marshal(d)
+	if err != nil {
+		return r, err
+	}
+
+	client := http.Client{
+		Timeout: time.Duration(timeout) * time.Second,
+	}
+
+	resp, err := client.Post("https://spamcheck.postmarkapp.com/filter", "application/json",
+		bytes.NewBuffer(data))
+
+	if err != nil {
+		return r, err
+	}
+
+	defer resp.Body.Close()
+
+	err = json.NewDecoder(resp.Body).Decode(&r)
+
+	// remove trailing line spaces for all lines in report
+	re := regexp.MustCompile("\r?\n")
+	lines := re.Split(r.Report, -1)
+	reportLines := []string{}
+	for _, l := range lines {
+		line := strings.TrimRight(l, " ")
+		reportLines = append(reportLines, line)
+	}
+	reportRaw := strings.Join(reportLines, "\n")
+
+	// join description lines to make a single line per rule
+	re2 := regexp.MustCompile("\n                                ")
+	report := re2.ReplaceAllString(reportRaw, "")
+	for i, rule := range r.Rules {
+		// populate rule name
+		r.Rules[i].Name = nameFromReport(rule.Score, rule.Description, report)
+	}
+
+	return r, err
+}
+
+// Extract the name of the test from the report as Postmark does not include this in the JSON reports
+func nameFromReport(score, description, report string) string {
+	score = regexp.QuoteMeta(score)
+	description = regexp.QuoteMeta(description)
+	str := fmt.Sprintf("%s\\s+([A-Z0-9\\_]+)\\s+%s", score, description)
+	re := regexp.MustCompile(str)
+
+	matches := re.FindAllStringSubmatch(report, 1)
+	if len(matches) > 0 && len(matches[0]) == 2 {
+		return strings.TrimSpace(matches[0][1])
+	}
+
+	return ""
+}

internal/spamassassin/spamassassin.go

@@ -0,0 +1,147 @@
+// Package spamassassin will return results from either a SpamAssassin server or
+// Postmark's public API depending on configuration
+package spamassassin
+
+import (
+	"errors"
+	"math"
+	"strconv"
+	"strings"
+
+	"github.com/axllent/mailpit/internal/spamassassin/postmark"
+	"github.com/axllent/mailpit/internal/spamassassin/spamc"
+)
+
+var (
+	// Service to use, either "<host>:<ip>" for self-hosted SpamAssassin or "postmark"
+	service string
+
+	// SpamScore is the score at which a message is determined to be spam
+	spamScore = 5.0
+
+	// Timeout in seconds
+	timeout = 8
+)
+
+// Result is a SpamAssassin result
+//
+// swagger:model SpamAssassinResponse
+type Result struct {
+	// Whether the message is spam or not
+	IsSpam bool
+	// If populated will return an error string
+	Error string
+	// Total spam score based on triggered rules
+	Score float64
+	// Spam rules triggered
+	Rules []Rule
+}
+
+// Rule struct
+type Rule struct {
+	// Spam rule score
+	Score float64
+	// SpamAssassin rule name
+	Name string
+	// SpamAssassin rule description
+	Description string
+}
+
+// SetService defines which service should be used.
+func SetService(s string) {
+	switch s {
+	case "postmark":
+		service = "postmark"
+	default:
+		service = s
+	}
+}
+
+// SetTimeout defines the timeout
+func SetTimeout(t int) {
+	if t > 0 {
+		timeout = t
+	}
+}
+
+// Ping returns whether a service is active or not
+func Ping() error {
+	if service == "postmark" {
+		return nil
+	}
+
+	var client *spamc.Client
+	if strings.HasPrefix("unix:", service) {
+		client = spamc.NewUnix(strings.TrimLeft(service, "unix:"))
+	} else {
+		client = spamc.NewTCP(service, timeout)
+	}
+
+	return client.Ping()
+}
+
+// Check will return a Result
+func Check(msg []byte) (Result, error) {
+	r := Result{Score: 0}
+
+	if service == "" {
+		return r, errors.New("no SpamAssassin service defined")
+	}
+
+	if service == "postmark" {
+		res, err := postmark.Check(msg, timeout)
+		if err != nil {
+			r.Error = err.Error()
+			return r, nil
+		}
+		resFloat, err := strconv.ParseFloat(res.Score, 32)
+		if err == nil {
+			r.Score = round1dm(resFloat)
+			r.IsSpam = resFloat >= spamScore
+		}
+		r.Error = res.Message
+		for _, pr := range res.Rules {
+			rule := Rule{}
+			value, err := strconv.ParseFloat(pr.Score, 32)
+			if err == nil {
+				rule.Score = round1dm(value)
+			}
+			rule.Name = pr.Name
+			rule.Description = pr.Description
+			r.Rules = append(r.Rules, rule)
+		}
+	} else {
+		var client *spamc.Client
+		if strings.HasPrefix("unix:", service) {
+			client = spamc.NewUnix(strings.TrimLeft(service, "unix:"))
+		} else {
+			client = spamc.NewTCP(service, timeout)
+		}
+
+		res, err := client.Report(msg)
+		if err != nil {
+			r.Error = err.Error()
+			return r, nil
+		}
+		r.IsSpam = res.Score >= spamScore
+		r.Score = round1dm(res.Score)
+		r.Rules = []Rule{}
+		for _, sr := range res.Rules {
+			rule := Rule{}
+			value, err := strconv.ParseFloat(sr.Points, 32)
+			if err == nil {
+				rule.Score = round1dm(value)
+			}
+			rule.Name = sr.Name
+			rule.Description = sr.Description
+			r.Rules = append(r.Rules, rule)
+		}
+	}
+
+	return r, nil
+}
+
+// Round to one decimal place
+func round1dm(n float64) float64 {
+	return math.Floor(n*10) / 10
+}

internal/spamassassin/spamc/spamc.go

@@ -0,0 +1,245 @@
+// Package spamc provides a client for the SpamAssassin spamd protocol.
+// http://svn.apache.org/repos/asf/spamassassin/trunk/spamd/PROTOCOL
+//
+// Modified to add timeouts from https://github.com/cgt/spamc
+package spamc
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"net"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// ProtoVersion is the protocol version
+const ProtoVersion = "1.5"
+
+var (
+	spamInfoRe    = regexp.MustCompile(`(.+)\/(.+) (\d+) (.+)`)
+	spamMainRe    = regexp.MustCompile(`^Spam: (.+) ; (.+) . (.+)$`)
+	spamDetailsRe = regexp.MustCompile(`^\s?(-?[0-9\.]+)\s([a-zA-Z0-9_]*)(\W*)(.*)`)
+)
+
+// connection is like net.Conn except that it also has a CloseWrite method.
+// CloseWrite is implemented by net.TCPConn and net.UnixConn, but for some
+// reason it is not present in the net.Conn interface.
+type connection interface {
+	net.Conn
+	CloseWrite() error
+}
+
+// Client is a spamd client.
+type Client struct {
+	net     string
+	addr    string
+	timeout int
+}
+
+// NewTCP returns a *Client that connects to spamd via the given TCP address.
+func NewTCP(addr string, timeout int) *Client {
+	return &Client{"tcp", addr, timeout}
+}
+
+// NewUnix returns a *Client that connects to spamd via the given Unix socket.
+func NewUnix(addr string) *Client {
+	return &Client{"unix", addr, 0}
+}
+
+// Rule represents a matched SpamAssassin rule.
+type Rule struct {
+	Points      string
+	Name        string
+	Description string
+}
+
+// Result struct
+type Result struct {
+	ResponseCode int
+	Message      string
+	Spam         bool
+	Score        float64
+	Threshold    float64
+	Rules        []Rule
+}
+
+// dial connects to spamd through TCP or a Unix socket.
+func (c *Client) dial() (connection, error) {
+	if c.net == "tcp" {
+		tcpAddr, err := net.ResolveTCPAddr("tcp", c.addr)
+		if err != nil {
+			return nil, err
+		}
+		return net.DialTCP("tcp", nil, tcpAddr)
+	} else if c.net == "unix" {
+		unixAddr, err := net.ResolveUnixAddr("unix", c.addr)
+		if err != nil {
+			return nil, err
+		}
+		return net.DialUnix("unix", nil, unixAddr)
+	}
+	panic("Client.net must be either \"tcp\" or \"unix\"")
+}
+
+// Report checks if message is spam or not, and returns score plus report
+func (c *Client) Report(email []byte) (Result, error) {
+	output, err := c.report(email)
+	if err != nil {
+		return Result{}, err
+	}
+
+	return c.parseOutput(output), nil
+}
+
+func (c *Client) report(email []byte) ([]string, error) {
+	conn, err := c.dial()
+	if err != nil {
+		return nil, err
+	}
+
+	defer conn.Close()
+
+	if err := conn.SetDeadline(time.Now().Add(time.Duration(c.timeout) * time.Second)); err != nil {
+		return nil, err
+	}
+
+	bw := bufio.NewWriter(conn)
+	_, err = bw.WriteString("REPORT SPAMC/" + ProtoVersion + "\r\n")
+	if err != nil {
+		return nil, err
+	}
+	_, err = bw.WriteString("Content-length: " + strconv.Itoa(len(email)) + "\r\n\r\n")
+	if err != nil {
+		return nil, err
+	}
+	_, err = bw.Write(email)
+	if err != nil {
+		return nil, err
+	}
+	err = bw.Flush()
+	if 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 {
+		return nil, err
+	}
+
+	var (
+		lines []string
+		br    = bufio.NewReader(conn)
+	)
+	for {
+		line, err := br.ReadString('\n')
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+		line = strings.TrimRight(line, " \t\r\n")
+		lines = append(lines, line)
+	}
+
+	// join lines, and replace multi-line descriptions with single line for each
+	tmp := strings.Join(lines, "\n")
+	re := regexp.MustCompile("\n                            ")
+	n := re.ReplaceAllString(tmp, " ")
+
+	//split lines again
+	return strings.Split(n, "\n"), nil
+}
+
+func (c *Client) parseOutput(output []string) Result {
+	var result Result
+	var reachedRules bool
+	for _, row := range output {
+		// header
+		if spamInfoRe.MatchString(row) {
+			res := spamInfoRe.FindStringSubmatch(row)
+			if len(res) == 5 {
+				resCode, err := strconv.Atoi(res[3])
+				if err == nil {
+					result.ResponseCode = resCode
+				}
+				result.Message = res[4]
+				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" {
+					result.Spam = true
+				} else {
+					result.Spam = false
+				}
+				resFloat, err := strconv.ParseFloat(res[2], 32)
+				if err == nil {
+					result.Score = resFloat
+					continue
+				}
+				resFloat, err = strconv.ParseFloat(res[3], 32)
+				if err == nil {
+					result.Threshold = resFloat
+					continue
+				}
+			}
+		}
+
+		if strings.HasPrefix(row, "Content analysis details") {
+			reachedRules = true
+			continue
+		}
+		// details
+		// row = strings.Trim(row, " \t\r\n")
+		if reachedRules && spamDetailsRe.MatchString(row) {
+			res := spamDetailsRe.FindStringSubmatch(row)
+			if len(res) == 5 {
+				rule := Rule{Points: res[1], Name: res[2], Description: res[4]}
+				result.Rules = append(result.Rules, rule)
+			}
+		}
+	}
+	return result
+}
+
+// Ping the spamd
+func (c *Client) Ping() error {
+	conn, err := c.dial()
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	if err := conn.SetDeadline(time.Now().Add(time.Duration(c.timeout) * time.Second)); err != nil {
+		return err
+	}
+
+	_, err = io.WriteString(conn, fmt.Sprintf("PING SPAMC/%s\r\n\r\n", ProtoVersion))
+	if err != nil {
+		return err
+	}
+	err = conn.CloseWrite()
+	if err != nil {
+		return err
+	}
+
+	br := bufio.NewReader(conn)
+	for {
+		_, err = br.ReadSlice('\n')
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

internal/stats/stats.go

@@ -0,0 +1,139 @@
+// Package stats stores and returns Mailpit statistics
+package stats
+
+import (
+	"os"
+	"runtime"
+	"sync"
+	"time"
+
+	"github.com/axllent/mailpit/config"
+	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/updater"
+)
+
+var (
+	// to prevent hammering Github for latest version
+	latestVersionCache string
+
+	// StartedAt is set to the current ime when Mailpit starts
+	startedAt time.Time
+
+	mu sync.RWMutex
+
+	smtpAccepted     int
+	smtpAcceptedSize int
+	smtpRejected     int
+	smtpIgnored      int
+)
+
+// AppInformation struct
+// swagger:model AppInformation
+type AppInformation struct {
+	// Current Mailpit version
+	Version string
+	// Latest Mailpit version
+	LatestVersion string
+	// Database path
+	Database string
+	// Database size in bytes
+	DatabaseSize int64
+	// Total number of messages in the database
+	Messages int
+	// Total number of messages in the database
+	Unread int
+	// Tags and message totals per tag
+	Tags map[string]int64
+	// Runtime statistics
+	RuntimeStats struct {
+		// Mailpit server uptime in seconds
+		Uptime int
+		// Current memory usage in bytes
+		Memory uint64
+		// Database runtime messages deleted
+		MessagesDeleted int
+		// Accepted runtime SMTP messages
+		SMTPAccepted int
+		// Total runtime accepted messages size in bytes
+		SMTPAcceptedSize int
+		// Rejected runtime SMTP messages
+		SMTPRejected int
+		// Ignored runtime SMTP messages (when using --ignore-duplicate-ids)
+		SMTPIgnored int
+	}
+}
+
+// Load the current statistics
+func Load() AppInformation {
+	info := AppInformation{}
+	info.Version = config.Version
+
+	var m runtime.MemStats
+	runtime.ReadMemStats(&m)
+
+	info.RuntimeStats.Memory = m.Sys - m.HeapReleased
+
+	info.RuntimeStats.Uptime = int(time.Since(startedAt).Seconds())
+	info.RuntimeStats.MessagesDeleted = storage.StatsDeleted
+	info.RuntimeStats.SMTPAccepted = smtpAccepted
+	info.RuntimeStats.SMTPAcceptedSize = smtpAcceptedSize
+	info.RuntimeStats.SMTPRejected = smtpRejected
+	info.RuntimeStats.SMTPIgnored = smtpIgnored
+
+	if latestVersionCache != "" {
+		info.LatestVersion = latestVersionCache
+	} else {
+		latest, _, _, err := updater.GithubLatest(config.Repo, config.RepoBinaryName)
+		if err == nil {
+			info.LatestVersion = latest
+			latestVersionCache = latest
+
+			// clear latest version cache after 5 minutes
+			go func() {
+				time.Sleep(5 * time.Minute)
+				latestVersionCache = ""
+			}()
+		}
+	}
+
+	info.Database = config.DataFile
+
+	db, err := os.Stat(info.Database)
+	if err == nil {
+		info.DatabaseSize = db.Size()
+	}
+
+	info.Messages = storage.CountTotal()
+	info.Unread = storage.CountUnread()
+
+	info.Tags = storage.GetAllTagsCount()
+
+	return info
+}
+
+// Track will start the statistics logging in memory
+func Track() {
+	startedAt = time.Now()
+}
+
+// LogSMTPAccepted logs a successful SMTP transaction
+func LogSMTPAccepted(size int) {
+	mu.Lock()
+	smtpAccepted = smtpAccepted + 1
+	smtpAcceptedSize = smtpAcceptedSize + size
+	mu.Unlock()
+}
+
+// LogSMTPRejected logs a rejected SMTP transaction
+func LogSMTPRejected() {
+	mu.Lock()
+	smtpRejected = smtpRejected + 1
+	mu.Unlock()
+}
+
+// LogSMTPIgnored logs an ignored SMTP transaction
+func LogSMTPIgnored() {
+	mu.Lock()
+	smtpIgnored = smtpIgnored + 1
+	mu.Unlock()
+}

internal/storage/database.go

@@ -8,12 +8,12 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"net/http"
 	"net/mail"
 	"os"
 	"os/signal"
 	"path"
 	"path/filepath"
-	"sort"
 	"strings"
 	"syscall"
 	"time"
@@ -76,6 +76,12 @@ func InitDB() error {
 	// @see https://github.com/mattn/go-sqlite3#faq
 	db.SetMaxOpenConns(1)
 
+	// SQLite performance tuning (https://phiresky.github.io/blog/2020/sqlite-performance-tuning/)
+	_, err = db.Exec("PRAGMA journal_mode = WAL; PRAGMA synchronous = normal;")
+	if err != nil {
+		return err
+	}
+
 	// create tables if necessary & apply migrations
 	if err := dbApplyMigrations(); err != nil {
 		return err
@@ -110,7 +116,7 @@ func InitDB() error {
 func Close() {
 	if db != nil {
 		if err := db.Close(); err != nil {
-			logger.Log().Warning("[db] error closing database, ignoring")
+			logger.Log().Warn("[db] error closing database, ignoring")
 		}
 	}
 
@@ -124,11 +130,11 @@ func Close() {
 
 // Store will save an email to the database tables.
 // Returns the database ID of the saved message.
-func Store(body []byte) (string, error) {
+func Store(body *[]byte) (string, error) {
 	// Parse message body with enmime
-	env, err := enmime.ReadEnvelope(bytes.NewReader(body))
+	env, err := enmime.ReadEnvelope(bytes.NewReader(*body))
 	if err != nil {
-		logger.Log().Warningf("[db] %s", err.Error())
+		logger.Log().Warnf("[message] %s", err.Error())
 		return "", nil
 	}
 
@@ -170,7 +176,7 @@ func Store(body []byte) (string, error) {
 	}
 
 	// extract tags from body matches based on --tag
-	tagStr := findTagsInRawMessage(&body)
+	tagStr := findTagsInRawMessage(body)
 
 	// extract tags from X-Tags header
 	headerTags := strings.TrimSpace(env.Root.Header.Get("X-Tags"))
@@ -180,11 +186,6 @@ func Store(body []byte) (string, error) {
 
 	tagData := uniqueTagsFromString(tagStr)
 
-	tagJSON, err := json.Marshal(tagData)
-	if err != nil {
-		return "", err
-	}
-
 	// begin a transaction to ensure both the message
 	// and data are stored successfully
 	ctx := context.Background()
@@ -197,20 +198,20 @@ func Store(body []byte) (string, error) {
 	defer tx.Rollback()
 
 	subject := env.GetHeader("Subject")
-	size := len(body)
+	size := len(*body)
 	inline := len(env.Inlines)
 	attachments := len(env.Attachments)
 	snippet := tools.CreateSnippet(env.Text, env.HTML)
 
 	// insert mail summary data
-	_, err = tx.Exec("INSERT INTO mailbox(Created, ID, MessageID, Subject, Metadata, Size, Inline, Attachments, SearchText, Tags, Read, Snippet) values(?,?,?,?,?,?,?,?,?,?,0, ?)",
-		created.UnixMilli(), id, messageID, subject, string(summaryJSON), size, inline, attachments, searchText, string(tagJSON), snippet)
+	_, err = tx.Exec("INSERT INTO mailbox(Created, ID, MessageID, Subject, Metadata, Size, Inline, Attachments, SearchText, Read, Snippet) values(?,?,?,?,?,?,?,?,?,0,?)",
+		created.UnixMilli(), id, messageID, subject, string(summaryJSON), size, inline, attachments, searchText, snippet)
 	if err != nil {
 		return "", err
 	}
 
 	// insert compressed raw message
-	compressed := dbEncoder.EncodeAll(body, make([]byte, 0, len(body)))
+	compressed := dbEncoder.EncodeAll(*body, make([]byte, 0, size))
 	_, err = tx.Exec("INSERT INTO mailbox_data(ID, Email) values(?,?)", id, string(compressed))
 	if err != nil {
 		return "", err
@@ -220,6 +221,13 @@ func Store(body []byte) (string, error) {
 		return "", err
 	}
 
+	if len(tagData) > 0 {
+		// set tags after tx.Commit()
+		if err := SetMessageTags(id, tagData); err != nil {
+			return "", err
+		}
+	}
+
 	c := &MessageSummary{}
 	if err := json.Unmarshal(summaryJSON, c); err != nil {
 		return "", err
@@ -248,10 +256,11 @@ func Store(body []byte) (string, error) {
 // sorted latest to oldest
 func List(start, limit int) ([]MessageSummary, error) {
 	results := []MessageSummary{}
+	tsStart := time.Now()
 
-	q := sqlf.From("mailbox").
-		Select(`Created, ID, MessageID, Subject, Metadata, Size, Attachments, Read, Tags, Snippet`).
-		OrderBy("Created DESC").
+	q := sqlf.From("mailbox m").
+		Select(`m.Created, m.ID, m.MessageID, m.Subject, m.Metadata, m.Size, m.Attachments, m.Read, m.Snippet`).
+		OrderBy("m.Created DESC").
 		Limit(limit).
 		Offset(start)
 
@@ -263,23 +272,17 @@ func List(start, limit int) ([]MessageSummary, error) {
 		var metadata string
 		var size int
 		var attachments int
-		var tags string
 		var read int
 		var snippet string
 		em := MessageSummary{}
 
-		if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &tags, &snippet); err != nil {
-			logger.Log().Error(err)
+		if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &snippet); err != nil {
+			logger.Log().Errorf("[db] %s", err.Error())
 			return
 		}
 
 		if err := json.Unmarshal([]byte(metadata), &em); err != nil {
-			logger.Log().Error(err)
-			return
-		}
-
-		if err := json.Unmarshal([]byte(tags), &em.Tags); err != nil {
-			logger.Log().Error(err)
+			logger.Log().Errorf("[json] %s", err.Error())
 			return
 		}
 
@@ -297,8 +300,17 @@ func List(start, limit int) ([]MessageSummary, error) {
 		return results, err
 	}
 
+	// set tags for listed messages only
+	for i, m := range results {
+		results[i].Tags = getMessageTags(m.ID)
+	}
+
 	dbLastAction = time.Now()
 
+	elapsed := time.Since(tsStart)
+
+	logger.Log().Debugf("[db] list INBOX in %s", elapsed)
+
 	return results, nil
 }
 
@@ -343,7 +355,7 @@ func GetMessage(id string) (*Message, error) {
 			var created int64
 
 			if err := row.Scan(&created); err != nil {
-				logger.Log().Error(err)
+				logger.Log().Errorf("[db] %s", err.Error())
 				return
 			}
 
@@ -351,7 +363,7 @@ func GetMessage(id string) (*Message, error) {
 
 			date = time.UnixMilli(created)
 		}); err != nil {
-			logger.Log().Error(err)
+			logger.Log().Errorf("[db] %s", err.Error())
 		}
 	}
 
@@ -393,6 +405,20 @@ func GetMessage(id string) (*Message, error) {
 		}
 	}
 
+	// get List-Unsubscribe links if set
+	obj.ListUnsubscribe = ListUnsubscribe{}
+	obj.ListUnsubscribe.Links = []string{}
+	if env.GetHeader("List-Unsubscribe") != "" {
+		l := env.GetHeader("List-Unsubscribe")
+		links, err := tools.ListUnsubscribeParser(l)
+		obj.ListUnsubscribe.Header = l
+		obj.ListUnsubscribe.Links = links
+		if err != nil {
+			obj.ListUnsubscribe.Errors = err.Error()
+		}
+		obj.ListUnsubscribe.HeaderPost = env.GetHeader("List-Unsubscribe-Post")
+	}
+
 	// mark message as read
 	if err := MarkRead(id); err != nil {
 		return &obj, err
@@ -468,6 +494,33 @@ func GetAttachmentPart(id, partID string) (*enmime.Part, error) {
 	return nil, errors.New("attachment not found")
 }
 
+// LatestID returns the latest message ID
+//
+// If a query argument is set in the request the function will return the
+// latest message matching the search
+func LatestID(r *http.Request) (string, error) {
+	var messages []MessageSummary
+	var err error
+
+	search := strings.TrimSpace(r.URL.Query().Get("query"))
+	if search != "" {
+		messages, _, err = Search(search, 0, 1)
+		if err != nil {
+			return "", err
+		}
+	} else {
+		messages, err = List(0, 1)
+		if err != nil {
+			return "", err
+		}
+	}
+	if len(messages) == 0 {
+		return "", errors.New("Message not found")
+	}
+
+	return messages[0].ID, nil
+}
+
 // MarkRead will mark a message as read
 func MarkRead(id string) error {
 	if !IsUnread(id) {
@@ -588,9 +641,15 @@ func DeleteOneMessage(id string) error {
 		logger.Log().Debugf("[db] deleted message %s", id)
 	}
 
+	if err := DeleteAllMessageTags(id); err != nil {
+		return err
+	}
+
 	dbLastAction = time.Now()
 	dbDataDeleted = true
 
+	logMessagesDeleted(1)
+
 	BroadcastMailboxStats()
 
 	return err
@@ -627,6 +686,16 @@ func DeleteAllMessages() error {
 		return err
 	}
 
+	_, err = tx.Exec("DELETE FROM tags")
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec("DELETE FROM message_tags")
+	if err != nil {
+		return err
+	}
+
 	if err := tx.Commit(); err != nil {
 		return err
 	}
@@ -640,49 +709,14 @@ func DeleteAllMessages() error {
 	dbLastAction = time.Now()
 	dbDataDeleted = false
 
+	logMessagesDeleted(total)
+
 	websockets.Broadcast("prune", nil)
 	BroadcastMailboxStats()
 
 	return err
 }
 
-// GetAllTags returns all used tags
-func GetAllTags() []string {
-	q := sqlf.From("mailbox").
-		Select(`DISTINCT Tags`).
-		Where("Tags != ?", "[]")
-
-	var tags = []string{}
-
-	if err := q.QueryAndClose(nil, db, func(row *sql.Rows) {
-		var tagData string
-		t := []string{}
-
-		if err := row.Scan(&tagData); err != nil {
-			logger.Log().Error(err)
-			return
-		}
-
-		if err := json.Unmarshal([]byte(tagData), &t); err != nil {
-			logger.Log().Error(err)
-			return
-		}
-
-		for _, tag := range t {
-			if !inArray(tag, tags) {
-				tags = append(tags, tag)
-			}
-		}
-
-	}); err != nil {
-		logger.Log().Error(err)
-	}
-
-	sort.Strings(tags)
-
-	return tags
-}
-
 // StatsGet returns the total/unread statistics for a mailbox
 func StatsGet() MailboxStats {
 	var (

internal/storage/database_test.go

@@ -16,7 +16,7 @@ func TestTextEmailInserts(t *testing.T) {
 	assertEqualStats(t, 0, 0)
 
 	for i := 0; i < testRuns; i++ {
-		if _, err := Store(testTextEmail); err != nil {
+		if _, err := Store(&testTextEmail); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
@@ -50,7 +50,7 @@ func TestMimeEmailInserts(t *testing.T) {
 	start := time.Now()
 
 	for i := 0; i < testRuns; i++ {
-		if _, err := Store(testMimeEmail); err != nil {
+		if _, err := Store(&testMimeEmail); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
@@ -79,7 +79,7 @@ func TestRetrieveMimeEmail(t *testing.T) {
 
 	t.Log("Testing mime email retrieval")
 
-	id, err := Store(testMimeEmail)
+	id, err := Store(&testMimeEmail)
 	if err != nil {
 		t.Log("error ", err)
 		t.Fail()
@@ -123,7 +123,7 @@ func TestMessageSummary(t *testing.T) {
 
 	t.Log("Testing message summary")
 
-	if _, err := Store(testMimeEmail); err != nil {
+	if _, err := Store(&testMimeEmail); err != nil {
 		t.Log("error ", err)
 		t.Fail()
 	}
@@ -154,7 +154,7 @@ func BenchmarkImportText(b *testing.B) {
 	defer Close()
 
 	for i := 0; i < b.N; i++ {
-		if _, err := Store(testTextEmail); err != nil {
+		if _, err := Store(&testTextEmail); err != nil {
 			b.Log("error ", err)
 			b.Fail()
 		}
@@ -166,7 +166,7 @@ func BenchmarkImportMime(b *testing.B) {
 	defer Close()
 
 	for i := 0; i < b.N; i++ {
-		if _, err := Store(testMimeEmail); err != nil {
+		if _, err := Store(&testMimeEmail); err != nil {
 			b.Log("error ", err)
 			b.Fail()
 		}

internal/storage/migrationTasks.go

@@ -1,200 +1,73 @@
 package storage
 
-import (
-	"bytes"
-	"context"
-	"database/sql"
-	"strings"
-	"time"
+// These functions are used to migrate data formats/structure on startup.
+
+import (
+	"database/sql"
+	"encoding/json"
 
-	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
-	"github.com/jhillyerd/enmime"
 	"github.com/leporo/sqlf"
-	"golang.org/x/text/language"
-	"golang.org/x/text/message"
 )
 
 func dataMigrations() {
-	updateOrderByCreatedTask()
-	assignMessageIDsTask()
+	migrateTagsToManyMany()
 }
 
-// Update Created column using Created metadata datetime <= v1.6.5
-// Migration task implemented 05/2023 - can be removed end 2023
-func updateOrderByCreatedTask() {
-	q := sqlf.From("mailbox").
-		Select("ID").
-		Select(`json_extract(Metadata, '$.Created') as Created`).
-		Where("Created < ?", 1155000600)
-
-	toUpdate := make(map[string]int64)
-	p := message.NewPrinter(language.English)
+// Migrate tags to ManyMany structure
+// Migration task implemented 12/2023
+// 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("mailbox").
+		Where("Tags != ?", "[]").
+		Where("Tags IS NOT NULL")
 
 	if err := q.QueryAndClose(nil, db, func(row *sql.Rows) {
 		var id string
-		var ts sql.NullString
-		if err := row.Scan(&id, &ts); err != nil {
-			logger.Log().Error("[migration]", err)
+		var jsonTags string
+		if err := row.Scan(&id, &jsonTags); err != nil {
+			logger.Log().Errorf("[migration] %s", err.Error())
 			return
 		}
 
-		if !ts.Valid {
-			logger.Log().Errorf("[migration] cannot get Created timestamp from %s", id)
+		tags := []string{}
+
+		if err := json.Unmarshal([]byte(jsonTags), &tags); err != nil {
+			logger.Log().Errorf("[json] %s", err.Error())
 			return
 		}
 
-		t, _ := time.Parse(time.RFC3339Nano, ts.String)
-		toUpdate[id] = t.UnixMilli()
+		toConvert[id] = tags
 	}); err != nil {
-		logger.Log().Error("[migration]", err)
-		return
+		logger.Log().Errorf("[migration] %s", err.Error())
 	}
 
-	total := len(toUpdate)
-
-	if total == 0 {
-		return
-	}
-
-	logger.Log().Infof("[migration] updating timestamp for %s messages", p.Sprintf("%d", len(toUpdate)))
-
-	// begin a transaction
-	ctx := context.Background()
-	tx, err := db.BeginTx(ctx, nil)
-	if err != nil {
-		logger.Log().Error("[migration]", err)
-		return
-	}
-
-	// roll back if it fails
-	defer tx.Rollback()
-
-	var blockTime = time.Now()
-
-	count := 0
-	for id, ts := range toUpdate {
-		count++
-		_, err := tx.Exec(`UPDATE mailbox SET Created = ? WHERE ID = ?`, ts, id)
-		if err != nil {
-			logger.Log().Error("[migration]", err)
+	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("mailbox").
+					Set("Tags", nil).
+					Where("ID = ?", id).
+					ExecAndClose(nil, db); err != nil {
+					logger.Log().Errorf("[migration] %s", err.Error())
+				}
+			}
 		}
 
-		if count%1000 == 0 {
-			percent := (100 * count) / total
-			logger.Log().Infof("[migration] updated timestamp for 1,000 messages [%d%%] in %s", percent, time.Since(blockTime))
-			blockTime = time.Now()
-		}
+		logger.Log().Info("[migration] tags conversion complete")
 	}
 
-	logger.Log().Infof("[migration] commit %s changes", p.Sprintf("%d", count))
-
-	if err := tx.Commit(); err != nil {
-		logger.Log().Error("[migration]", err)
-		return
+	// set all legacy `[]` tags to NULL
+	if _, err := sqlf.Update("mailbox").
+		Set("Tags", nil).
+		Where("Tags = ?", "[]").
+		ExecAndClose(nil, db); err != nil {
+		logger.Log().Errorf("[migration] %s", err.Error())
 	}
-
-	logger.Log().Infof("[migration] complete")
-}
-
-// Find any messages without a stored Message-ID and update it <= v1.6.5
-// Migration task implemented 05/2023 - can be removed end 2023
-func assignMessageIDsTask() {
-	if !config.IgnoreDuplicateIDs {
-		return
-	}
-
-	q := sqlf.From("mailbox").
-		Select("ID").
-		Where("MessageID = ''")
-
-	missingIDS := make(map[string]string)
-
-	if err := q.QueryAndClose(nil, db, func(row *sql.Rows) {
-		var id string
-		if err := row.Scan(&id); err != nil {
-			logger.Log().Error("[migration]", err)
-			return
-		}
-		missingIDS[id] = ""
-	}); err != nil {
-		logger.Log().Error("[migration]", err)
-	}
-
-	if len(missingIDS) == 0 {
-		return
-	}
-
-	var count int
-	var blockTime = time.Now()
-	p := message.NewPrinter(language.English)
-
-	total := len(missingIDS)
-
-	logger.Log().Infof("[migration] extracting Message-IDs for %s messages", p.Sprintf("%d", total))
-
-	for id := range missingIDS {
-		raw, err := GetMessageRaw(id)
-		if err != nil {
-			logger.Log().Error("[migration]", err)
-			continue
-		}
-
-		r := bytes.NewReader(raw)
-
-		env, err := enmime.ReadEnvelope(r)
-		if err != nil {
-			logger.Log().Error("[migration]", err)
-			continue
-		}
-
-		messageID := strings.Trim(env.GetHeader("Message-ID"), "<>")
-
-		missingIDS[id] = messageID
-
-		count++
-
-		if count%1000 == 0 {
-			percent := (100 * count) / total
-			logger.Log().Infof("[migration] extracted 1,000 Message-IDs [%d%%] in %s", percent, time.Since(blockTime))
-			blockTime = time.Now()
-		}
-	}
-
-	// begin a transaction
-	ctx := context.Background()
-	tx, err := db.BeginTx(ctx, nil)
-	if err != nil {
-		logger.Log().Error("[migration]", err)
-		return
-	}
-
-	// roll back if it fails
-	defer tx.Rollback()
-
-	count = 0
-
-	for id, mid := range missingIDS {
-		_, err = tx.Exec(`UPDATE mailbox SET MessageID = ? WHERE ID = ?`, mid, id)
-		if err != nil {
-			logger.Log().Error("[migration]", err)
-		}
-
-		count++
-
-		if count%1000 == 0 {
-			percent := (100 * count) / total
-			logger.Log().Infof("[migration] stored 1,000 Message-IDs [%d%%] in %s", percent, time.Since(blockTime))
-			blockTime = time.Now()
-		}
-	}
-
-	logger.Log().Infof("[migration] commit %s changes", p.Sprintf("%d", count))
-
-	if err := tx.Commit(); err != nil {
-		logger.Log().Error("[migration]", err)
-		return
-	}
-
-	logger.Log().Infof("[migration] complete")
 }

internal/storage/migrations.go

@@ -71,6 +71,23 @@ var (
 			Description: "Create snippet column",
 			Script:      `ALTER TABLE mailbox ADD COLUMN Snippet Text NOT NULL DEFAULT '';`,
 		},
+		{
+			Version:     1.4,
+			Description: "Create tag tables",
+			Script: `CREATE TABLE IF NOT EXISTS tags (
+				ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+				Name TEXT COLLATE NOCASE
+			);
+			CREATE UNIQUE INDEX IF NOT EXISTS idx_tag_name ON tags (Name);
+
+			CREATE TABLE IF NOT EXISTS message_tags(
+				Key INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+				ID TEXT REFERENCES mailbox(ID),
+				TagID INT REFERENCES tags(ID)
+			);
+			CREATE INDEX IF NOT EXISTS idx_message_tag_id ON message_tags (ID);
+			CREATE INDEX IF NOT EXISTS idx_message_tag_tagid ON message_tags (TagID);`,
+		},
 	}
 )
 

internal/storage/notifications.go

@@ -3,6 +3,7 @@ package storage
 import (
 	"time"
 
+	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/server/websockets"
 )
 
@@ -23,11 +24,13 @@ func BroadcastMailboxStats() {
 		time.Sleep(250 * time.Millisecond)
 		bcStatsDelay = false
 		b := struct {
-			Total  int
-			Unread int
+			Total   int
+			Unread  int
+			Version string
 		}{
-			Total:  CountTotal(),
-			Unread: CountUnread(),
+			Total:   CountTotal(),
+			Unread:  CountUnread(),
+			Version: config.Version,
 		}
 
 		websockets.Broadcast("stats", b)

internal/storage/reindex.go

@@ -29,7 +29,7 @@ func ReindexAll() {
 		})
 
 	if err != nil {
-		logger.Log().Error(err)
+		logger.Log().Errorf("[db] %s", err.Error())
 		os.Exit(1)
 	}
 
@@ -37,9 +37,7 @@ func ReindexAll() {
 
 	chunks := chunkBy(ids, chunkSize)
 
-	logger.Log().Infof("Reindexing %d messages", total)
-
-	// fmt.Println(len(ids), " = ", len(chunks), "chunks")
+	logger.Log().Infof("reindexing %d messages", total)
 
 	type updateStruct struct {
 		ID         string
@@ -61,7 +59,7 @@ func ReindexAll() {
 
 			env, err := enmime.ReadEnvelope(r)
 			if err != nil {
-				logger.Log().Error(err)
+				logger.Log().Errorf("[message] %s", err.Error())
 				continue
 			}
 
@@ -79,7 +77,7 @@ func ReindexAll() {
 		ctx := context.Background()
 		tx, err := db.BeginTx(ctx, nil)
 		if err != nil {
-			logger.Log().Error(err)
+			logger.Log().Errorf("[db] %s", err.Error())
 			continue
 		}
 
@@ -90,92 +88,22 @@ func ReindexAll() {
 		for _, u := range updates {
 			_, err = tx.Exec("UPDATE mailbox SET SearchText = ?, Snippet = ? WHERE ID = ?", u.SearchText, u.Snippet, u.ID)
 			if err != nil {
-				logger.Log().Error(err)
+				logger.Log().Errorf("[db] %s", err.Error())
 				continue
 			}
 		}
 
 		if err := tx.Commit(); err != nil {
-			logger.Log().Error(err)
+			logger.Log().Errorf("[db] %s", err.Error())
 			continue
 		}
 
 		finished += len(updates)
 
-		logger.Log().Printf("Reindexed: %d / %d (%d%%)", finished, total, finished*100/total)
+		logger.Log().Printf("reindexed: %d / %d (%d%%)", finished, total, finished*100/total)
 	}
 }
 
-// Reindex will regenerate the search text and snippet for a message
-// and update the database.
-func Reindex(id string) error {
-	// ids := []string{}
-	// var i string
-	// // chunkSize := 100
-
-	// err := sqlf.Select("ID").To(&i).From("mailbox_data").QueryAndClose(nil, db, func(row *sql.Rows) {
-	// 	ids = append(ids, id)
-	// })
-
-	// if err != nil {
-	// 	return err
-	// }
-
-	// chunks := chunkBy(ids, 100)
-
-	// fmt.Println(len(ids), " = ", len(chunks), "chunks")
-
-	// return nil
-
-	raw, err := GetMessageRaw(id)
-	if err != nil {
-		return err
-	}
-
-	r := bytes.NewReader(raw)
-
-	env, err := enmime.ReadEnvelope(r)
-	if err != nil {
-		return err
-	}
-
-	searchText := createSearchText(env)
-	snippet := tools.CreateSnippet(env.Text, env.HTML)
-
-	// return nil
-
-	// ctx := context.Background()
-	// tx, err := db.BeginTx(ctx, nil)
-	// if err != nil {
-	// 	return err
-	// }
-
-	// // roll back if it fails
-	// defer tx.Rollback()
-
-	// // insert mail summary data
-	// _, err = tx.Exec("UPDATE mailbox SET SearchText = ?, Snippet = ? WHERE ID = ?", searchText, snippet, id)
-	// if err != nil {
-	// 	return err
-	// }
-
-	// return tx.Commit()
-
-	_, err = sqlf.Update("mailbox").
-		Set("SearchText", searchText).
-		Set("Snippet", snippet).
-		Where("ID = ?", id).
-		ExecAndClose(context.Background(), db)
-
-	return err
-}
-
-// ctx := context.Background()
-// tx, err := db.BeginTx(ctx, nil)
-// if err != nil {
-// 	return "", err
-// }
-
 func chunkBy[T any](items []T, chunkSize int) (chunks [][]T) {
 	for chunkSize < len(items) {
 		items, chunks = items[chunkSize:], append(chunks, items[0:chunkSize:chunkSize])

internal/storage/search.go

@@ -37,24 +37,18 @@ func Search(search string, start, limit int) ([]MessageSummary, int, error) {
 		var metadata string
 		var size int
 		var attachments int
-		var tags string
 		var snippet string
 		var read int
 		var ignore string
 		em := MessageSummary{}
 
-		if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &tags, &snippet, &ignore, &ignore, &ignore, &ignore); err != nil {
-			logger.Log().Error(err)
+		if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &snippet, &ignore, &ignore, &ignore, &ignore); err != nil {
+			logger.Log().Errorf("[db] %s", err.Error())
 			return
 		}
 
 		if err := json.Unmarshal([]byte(metadata), &em); err != nil {
-			logger.Log().Error(err)
-			return
-		}
-
-		if err := json.Unmarshal([]byte(tags), &em.Tags); err != nil {
-			logger.Log().Error(err)
+			logger.Log().Errorf("[db] %s", err.Error())
 			return
 		}
 
@@ -85,6 +79,11 @@ func Search(search string, start, limit int) ([]MessageSummary, int, error) {
 		results = allResults[start:end]
 	}
 
+	// set tags for listed messages only
+	for i, m := range results {
+		results[i].Tags = getMessageTags(m.ID)
+	}
+
 	elapsed := time.Since(tsStart)
 
 	logger.Log().Debugf("[db] search for \"%s\" in %s", search, elapsed)
@@ -109,13 +108,13 @@ func DeleteSearch(search string) error {
 		var metadata string
 		var size int
 		var attachments int
-		var tags string
+		// var tags string
 		var read int
 		var snippet string
 		var ignore string
 
-		if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &tags, &snippet, &ignore, &ignore, &ignore, &ignore); err != nil {
-			logger.Log().Error(err)
+		if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &snippet, &ignore, &ignore, &ignore, &ignore); err != nil {
+			logger.Log().Errorf("[db] %s", err.Error())
 			return
 		}
 
@@ -172,10 +171,21 @@ func DeleteSearch(search string) error {
 			if err != nil {
 				return err
 			}
+
+			sqlDelete3 := `DELETE FROM message_tags WHERE ID IN (?` + strings.Repeat(",?", len(ids)-1) + `)`
+
+			_, err = tx.Exec(sqlDelete3, delIDs...)
+			if err != nil {
+				return err
+			}
 		}
 
 		err = tx.Commit()
 
+		if err := pruneUnusedTags(); err != nil {
+			return err
+		}
+
 		if err == nil {
 			logger.Log().Debugf("[db] deleted %d messages matching %s", total, search)
 		}
@@ -183,6 +193,8 @@ func DeleteSearch(search string) error {
 		dbLastAction = time.Now()
 		dbDataDeleted = true
 
+		logMessagesDeleted(total)
+
 		BroadcastMailboxStats()
 	}
 
@@ -195,13 +207,15 @@ func searchQueryBuilder(searchString string) *sqlf.Stmt {
 	// group strings with quotes as a single argument and remove quotes
 	args := tools.ArgsParser(searchString)
 
-	q := sqlf.From("mailbox").
-		Select(`Created, ID, MessageID, Subject, Metadata, Size, Attachments, Read, Tags, Snippet,
+	q := sqlf.From("mailbox m").
+		Select(`m.Created, m.ID, m.MessageID, m.Subject, m.Metadata, m.Size, m.Attachments, m.Read,
+			m.Snippet,
 			IFNULL(json_extract(Metadata, '$.To'), '{}') as ToJSON,
 			IFNULL(json_extract(Metadata, '$.From'), '{}') as FromJSON,
 			IFNULL(json_extract(Metadata, '$.Cc'), '{}') as CcJSON,
 			IFNULL(json_extract(Metadata, '$.Bcc'), '{}') as BccJSON
-		`).OrderBy("Created DESC")
+		`).
+		OrderBy("m.Created DESC")
 
 	for _, w := range args {
 		if cleanString(w) == "" {
@@ -278,9 +292,9 @@ func searchQueryBuilder(searchString string) *sqlf.Stmt {
 			w = cleanString(w[4:])
 			if w != "" {
 				if exclude {
-					q.Where("Tags NOT LIKE ?", "%\""+escPercentChar(w)+"\"%")
+					q.Where(`m.ID NOT IN (SELECT mt.ID FROM message_tags mt JOIN tags t ON mt.TagID = t.ID WHERE t.Name = ?)`, w)
 				} else {
-					q.Where("Tags LIKE ?", "%\""+escPercentChar(w)+"\"%")
+					q.Where(`m.ID IN (SELECT mt.ID FROM message_tags mt JOIN tags t ON mt.TagID = t.ID WHERE t.Name = ?)`, w)
 				}
 			}
 		} else if w == "is:read" {
@@ -297,9 +311,9 @@ func searchQueryBuilder(searchString string) *sqlf.Stmt {
 			}
 		} else if w == "is:tagged" {
 			if exclude {
-				q.Where("Tags = ?", "[]")
+				q.Where(`m.ID NOT IN (SELECT DISTINCT mt.ID FROM message_tags mt JOIN tags t ON mt.TagID = t.ID)`)
 			} else {
-				q.Where("Tags != ?", "[]")
+				q.Where(`m.ID IN (SELECT DISTINCT mt.ID FROM message_tags mt JOIN tags t ON mt.TagID = t.ID)`)
 			}
 		} else if w == "has:attachment" || w == "has:attachments" {
 			if exclude {

internal/storage/search_test.go

@@ -34,7 +34,9 @@ func TestSearch(t *testing.T) {
 			t.Fail()
 		}
 
-		if _, err := Store(buf.Bytes()); err != nil {
+		bufBytes := buf.Bytes()
+
+		if _, err := Store(&bufBytes); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
@@ -85,11 +87,11 @@ func TestSearchDelete100(t *testing.T) {
 
 	t.Log("Testing search delete of 100 messages")
 	for i := 0; i < 100; i++ {
-		if _, err := Store(testTextEmail); err != nil {
+		if _, err := Store(&testTextEmail); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
-		if _, err := Store(testMimeEmail); err != nil {
+		if _, err := Store(&testMimeEmail); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
@@ -123,7 +125,7 @@ func TestSearchDelete1100(t *testing.T) {
 
 	t.Log("Testing search delete of 1100 messages")
 	for i := 0; i < 1100; i++ {
-		if _, err := Store(testTextEmail); err != nil {
+		if _, err := Store(&testTextEmail); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}

internal/storage/structs.go

@@ -29,6 +29,9 @@ type Message struct {
 	ReturnPath string
 	// Message subject
 	Subject string
+	// List-Unsubscribe header information
+	// swagger:ignore
+	ListUnsubscribe ListUnsubscribe
 	// Message date if set, else date received
 	Date time.Time
 	// Message tags
@@ -122,3 +125,16 @@ func AttachmentSummary(a *enmime.Part) Attachment {
 
 	return o
 }
+
+// ListUnsubscribe contains a summary of List-Unsubscribe & List-Unsubscribe-Post headers
+// including validation of the link structure
+type ListUnsubscribe struct {
+	// List-Unsubscribe header value
+	Header string
+	// Detected links, maximum one email and one HTTP(S)
+	Links []string
+	// Validation errors if any
+	Errors string
+	// List-Unsubscribe-Post value if set
+	HeaderPost string
+}

internal/storage/tags.go

@@ -1,8 +1,7 @@
 package storage
 
 import (
-	"context"
-	"encoding/json"
+	"database/sql"
 	"sort"
 	"strings"
 
@@ -12,8 +11,8 @@ import (
 	"github.com/leporo/sqlf"
 )
 
-// SetTags will set the tags for a given database ID, used via API
-func SetTags(id string, tags []string) error {
+// SetMessageTags will set the tags for a given database ID
+func SetMessageTags(id string, tags []string) error {
 	applyTags := []string{}
 	for _, t := range tags {
 		t = tools.CleanTag(t)
@@ -22,26 +21,203 @@ func SetTags(id string, tags []string) error {
 		}
 	}
 
-	sort.Strings(applyTags)
+	currentTags := getMessageTags(id)
+	origTagCount := len(currentTags)
 
-	tagJSON, err := json.Marshal(applyTags)
-	if err != nil {
-		logger.Log().Errorf("[db] setting tags for message %s", id)
+	for _, t := range applyTags {
+		t = tools.CleanTag(t)
+		if t == "" || !config.ValidTagRegexp.MatchString(t) || inArray(t, currentTags) {
+			continue
+		}
+
+		if err := AddMessageTag(id, t); err != nil {
+			return err
+		}
+	}
+
+	if origTagCount > 0 {
+		currentTags = getMessageTags(id)
+
+		for _, t := range currentTags {
+			if !inArray(t, applyTags) {
+				if err := DeleteMessageTag(id, t); err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+// AddMessageTag adds a tag to a message
+func AddMessageTag(id, name string) error {
+	var tagID int
+
+	q := sqlf.From("tags").
+		Select("ID").To(&tagID).
+		Where("Name = ?", name)
+
+	// tag exists - add tag to message
+	if err := q.QueryRowAndClose(nil, db); err == nil {
+		// check message does not already have this tag
+		var count int
+		if _, err := sqlf.From("message_tags").
+			Select("COUNT(ID)").To(&count).
+			Where("ID = ?", id).
+			Where("TagID = ?", tagID).
+			ExecAndClose(nil, db); err != nil {
+			return err
+		}
+		if count != 0 {
+			// already exists
+			return nil
+		}
+
+		logger.Log().Debugf("[tags] adding tag \"%s\" to %s", name, id)
+
+		_, err := sqlf.InsertInto("message_tags").
+			Set("ID", id).
+			Set("TagID", tagID).
+			ExecAndClose(nil, db)
 		return err
 	}
 
-	_, err = sqlf.Update("mailbox").
-		Set("Tags", string(tagJSON)).
-		Where("ID = ?", id).
-		ExecAndClose(context.Background(), db)
+	logger.Log().Debugf("[tags] adding tag \"%s\" to %s", name, id)
 
-	if err == nil {
-		logger.Log().Debugf("[db] set tags %s for message %s", string(tagJSON), id)
+	// tag dos not exist, add new one
+	if err := sqlf.InsertInto("tags").
+		Set("Name", name).
+		Returning("ID").To(&tagID).
+		QueryRowAndClose(nil, db); err != nil {
+		return err
 	}
 
+	// check message does not already have this tag
+	var count int
+	if _, err := sqlf.From("message_tags").
+		Select("COUNT(ID)").To(&count).
+		Where("ID = ?", id).
+		Where("TagID = ?", tagID).
+		ExecAndClose(nil, db); err != nil {
+		return err
+	}
+	if count != 0 {
+		return nil // already exists
+	}
+
+	// add tag to message
+	_, err := sqlf.InsertInto("message_tags").
+		Set("ID", id).
+		Set("TagID", tagID).
+		ExecAndClose(nil, db)
 	return err
 }
 
+// DeleteMessageTag deleted a tag from a message
+func DeleteMessageTag(id, name string) error {
+	if _, err := sqlf.DeleteFrom("message_tags").
+		Where("message_tags.ID = ?", id).
+		Where(`message_tags.Key IN (SELECT Key FROM message_tags LEFT JOIN tags ON TagID=tags.ID WHERE Name = ?)`, name).
+		ExecAndClose(nil, db); err != nil {
+		return err
+	}
+
+	return pruneUnusedTags()
+}
+
+// DeleteAllMessageTags deleted all tags from a message
+func DeleteAllMessageTags(id string) error {
+	if _, err := sqlf.DeleteFrom("message_tags").
+		Where("message_tags.ID = ?", id).
+		ExecAndClose(nil, db); err != nil {
+		return err
+	}
+
+	return pruneUnusedTags()
+}
+
+// GetAllTags returns all used tags
+func GetAllTags() []string {
+	var tags = []string{}
+	var name string
+
+	if err := sqlf.
+		Select(`DISTINCT Name`).
+		From("tags").To(&name).
+		OrderBy("Name").
+		QueryAndClose(nil, db, func(row *sql.Rows) {
+			tags = append(tags, name)
+		}); err != nil {
+		logger.Log().Errorf("[db] %s", err.Error())
+	}
+
+	return tags
+}
+
+// GetAllTagsCount returns all used tags with their total messages
+func GetAllTagsCount() map[string]int64 {
+	var tags = make(map[string]int64)
+	var name string
+	var total int64
+
+	if err := sqlf.
+		Select(`Name`).To(&name).
+		Select(`COUNT(message_tags.TagID) as total`).To(&total).
+		From("tags").
+		LeftJoin("message_tags", "tags.ID = message_tags.TagID").
+		GroupBy("message_tags.TagID").
+		OrderBy("Name").
+		QueryAndClose(nil, db, func(row *sql.Rows) {
+			tags[name] = total
+			// tags = append(tags, name)
+		}); err != nil {
+		logger.Log().Errorf("[db] %s", err.Error())
+	}
+
+	return tags
+}
+
+// PruneUnusedTags will delete all unused tags from the database
+func pruneUnusedTags() error {
+	q := sqlf.From("tags").
+		Select("tags.ID, tags.Name, COUNT(message_tags.ID) as COUNT").
+		LeftJoin("message_tags", "tags.ID = message_tags.TagID").
+		GroupBy("tags.ID")
+
+	toDel := []int{}
+
+	if err := q.QueryAndClose(nil, db, func(row *sql.Rows) {
+		var n string
+		var id int
+		var c int
+
+		if err := row.Scan(&id, &n, &c); err != nil {
+			logger.Log().Errorf("[tags] %s", err.Error())
+			return
+		}
+
+		if c == 0 {
+			logger.Log().Debugf("[tags] deleting unused tag \"%s\"", n)
+			toDel = append(toDel, id)
+		}
+	}); err != nil {
+		return err
+	}
+
+	if len(toDel) > 0 {
+		for _, id := range toDel {
+			if _, err := sqlf.DeleteFrom("tags").
+				Where("ID = ?", id).
+				ExecAndClose(nil, db); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
 // Find tags set via --tags in raw message.
 // Returns a comma-separated string.
 func findTagsInRawMessage(message *[]byte) string {
@@ -64,20 +240,18 @@ func findTagsInRawMessage(message *[]byte) string {
 // Used when parsing a raw email.
 func getMessageTags(id string) []string {
 	tags := []string{}
-	var data string
+	var name string
 
-	q := sqlf.From("mailbox").
-		Select(`Tags`).To(&data).
-		Where(`ID = ?`, id)
-
-	err := q.QueryRowAndClose(context.Background(), db)
-	if err != nil {
-		logger.Log().Error(err)
-		return tags
-	}
-
-	if err := json.Unmarshal([]byte(data), &tags); err != nil {
-		logger.Log().Error(err)
+	if err := sqlf.
+		Select(`Name`).To(&name).
+		From("Tags").
+		LeftJoin("message_tags", "Tags.ID=message_tags.TagID").
+		Where(`message_tags.ID = ?`, id).
+		OrderBy("Name").
+		QueryAndClose(nil, db, func(row *sql.Rows) {
+			tags = append(tags, name)
+		}); err != nil {
+		logger.Log().Errorf("[tags] %s", err.Error())
 		return tags
 	}
 
@@ -103,7 +277,7 @@ func uniqueTagsFromString(s string) []string {
 				tags = append(tags, w)
 			}
 		} else {
-			logger.Log().Debugf("[db] ignoring invalid tag: %s", w)
+			logger.Log().Debugf("[tags] ignoring invalid tag: %s", w)
 		}
 	}
 

internal/storage/tags_test.go

@@ -2,6 +2,7 @@ package storage
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 )
 
@@ -14,7 +15,7 @@ func TestTags(t *testing.T) {
 	ids := []string{}
 
 	for i := 0; i < 10; i++ {
-		id, err := Store(testMimeEmail)
+		id, err := Store(&testMimeEmail)
 		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
@@ -23,7 +24,7 @@ func TestTags(t *testing.T) {
 	}
 
 	for i := 0; i < 10; i++ {
-		if err := SetTags(ids[i], []string{fmt.Sprintf("Tag-%d", i)}); err != nil {
+		if err := SetMessageTags(ids[i], []string{fmt.Sprintf("Tag-%d", i)}); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
@@ -40,4 +41,71 @@ func TestTags(t *testing.T) {
 			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()
+	}
+	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, "|"), "Dirty message tag did not clean as expected")
 }

internal/storage/utils.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"regexp"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/axllent/mailpit/config"
@@ -17,6 +18,13 @@ import (
 	"github.com/leporo/sqlf"
 )
 
+var (
+	// for stats to prevent import cycle
+	mu sync.RWMutex
+	// StatsDeleted for counting the number of messages deleted
+	StatsDeleted int
+)
+
 // 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)
@@ -139,25 +147,44 @@ func dbCron() {
 				continue
 			}
 
+			_, err = tx.Query(`DELETE FROM message_tags WHERE ID IN (?`+strings.Repeat(",?", len(ids)-1)+`)`, args...) // #nosec
+			if err != nil {
+				logger.Log().Errorf("[db] %s", err.Error())
+				continue
+			}
+
 			err = tx.Commit()
 
 			if err != nil {
-				logger.Log().Errorf(err.Error())
+				logger.Log().Errorf("[db] %s", err.Error())
 				if err := tx.Rollback(); err != nil {
-					logger.Log().Errorf(err.Error())
+					logger.Log().Errorf("[db] %s", err.Error())
 				}
 			}
 
+			if err := pruneUnusedTags(); err != nil {
+				logger.Log().Errorf("[db] %s", err.Error())
+			}
+
 			dbDataDeleted = true
 
 			elapsed := time.Since(start)
 			logger.Log().Debugf("[db] auto-pruned %d messages in %s", len(ids), elapsed)
 
+			logMessagesDeleted(len(ids))
+
 			websockets.Broadcast("prune", nil)
 		}
 	}
 }
 
+// LogMessagesDeleted logs the number of messages deleted
+func logMessagesDeleted(n int) {
+	mu.Lock()
+	StatsDeleted = StatsDeleted + n
+	mu.Unlock()
+}
+
 // IsFile returns whether a path is a file
 func isFile(path string) bool {
 	info, err := os.Stat(path)

internal/tools/listunsubscribeparser.go

@@ -0,0 +1,99 @@
+package tools
+
+import (
+	"fmt"
+	"net/url"
+	"regexp"
+	"strings"
+)
+
+// ListUnsubscribeParser will attempt to parse a `List-Unsubscribe` header and return
+// a slide of addresses (mail & URLs)
+func ListUnsubscribeParser(v string) ([]string, error) {
+	var results = []string{}
+	var re = regexp.MustCompile(`(?mU)<(.*)>`)
+	var reJoins = regexp.MustCompile(`(?imUs)>(.*)<`)
+	var reValidJoinChars = regexp.MustCompile(`(?imUs)^(\s+)?,(\s+)?$`)
+	var reWrapper = regexp.MustCompile(`(?imUs)^<(.*)>$`)
+	var reMailTo = regexp.MustCompile(`^mailto:[a-zA-Z0-9]`)
+	var reHTTP = regexp.MustCompile(`^(?i)https?://[a-zA-Z0-9]`)
+	var reSpaces = regexp.MustCompile(`\s`)
+	var reComments = regexp.MustCompile(`(?mUs)\(.*\)`)
+	var hasMailTo bool
+	var hasHTTP bool
+
+	v = strings.TrimSpace(v)
+
+	comments := reComments.FindAllStringSubmatch(v, -1)
+	for _, c := range comments {
+		// strip comments
+		v = strings.Replace(v, c[0], "", -1)
+		v = strings.TrimSpace(v)
+	}
+
+	if !re.MatchString(v) {
+		return results, fmt.Errorf("\"%s\" no valid unsubscribe links found", v)
+	}
+
+	errors := []string{}
+
+	if !reWrapper.MatchString(v) {
+		return results, fmt.Errorf("\"%s\" should be enclosed in <>", v)
+	}
+
+	matches := re.FindAllStringSubmatch(v, -1)
+
+	if len(matches) > 2 {
+		errors = append(errors, fmt.Sprintf("\"%s\" should include a maximum of one email and one HTTP link", v))
+	} else {
+		splits := reJoins.FindAllStringSubmatch(v, -1)
+		for _, g := range splits {
+			if !reValidJoinChars.MatchString(g[1]) {
+				return results, fmt.Errorf("\"%s\" <> should be split with a comma and optional spaces", v)
+			}
+		}
+
+		for _, m := range matches {
+			r := m[1]
+			if reSpaces.MatchString(r) {
+				errors = append(errors, fmt.Sprintf("\"%s\" should not contain spaces", r))
+				continue
+			}
+
+			if reMailTo.MatchString(r) {
+				if hasMailTo {
+					errors = append(errors, fmt.Sprintf("\"%s\" should only contain one mailto:", r))
+					continue
+				}
+
+				hasMailTo = true
+			} else if reHTTP.MatchString(r) {
+				if hasHTTP {
+					errors = append(errors, fmt.Sprintf("\"%s\" should only contain one HTTP link", r))
+					continue
+				}
+
+				hasHTTP = true
+
+			} else {
+				errors = append(errors, fmt.Sprintf("\"%s\" should start with either http(s):// or mailto:", r))
+				continue
+			}
+
+			_, err := url.ParseRequestURI(r)
+			if err != nil {
+				errors = append(errors, err.Error())
+				continue
+			}
+
+			results = append(results, r)
+		}
+	}
+
+	var err error
+	if len(errors) > 0 {
+		err = fmt.Errorf("%s", strings.Join(errors, ", "))
+	}
+
+	return results, err
+}

internal/tools/tools_test.go

@@ -69,3 +69,51 @@ func TestSnippets(t *testing.T) {
 		}
 	}
 }
+
+func TestListUnsubscribeParser(t *testing.T) {
+	tests := map[string]bool{}
+
+	// should pass
+	tests["<mailto:unsubscribe@example.com>"] = true
+	tests["<https://example.com>"] = true
+	tests["<HTTPS://EXAMPLE.COM>"] = true
+	tests["<mailto:unsubscribe@example.com>, <http://example.com>"] = true
+	tests["<mailto:unsubscribe@example.com>, <https://example.com>"] = true
+	tests["<https://example.com>, <mailto:unsubscribe@example.com>"] = true
+	tests["<https://example.com> , 		<mailto:unsubscribe@example.com>"] = true
+	tests["<https://example.com> ,<mailto:unsubscribe@example.com>"] = true
+	tests["<mailto:unsubscribe@example.com>,<https://example.com>"] = true
+	tests[`<https://example.com> ,
+		 <mailto:unsubscribe@example.com>`] = true
+	tests["<mailto:unsubscribe@example.com?subject=unsubscribe%20me>"] = true
+	tests["(Use this command to get off the list) <mailto:unsubscribe@example.com?subject=unsubscribe%20me>"] = true
+	tests["<mailto:unsubscribe@example.com> (Use this command to get off the list)"] = true
+	tests["(Use this command to get off the list) <mailto:unsubscribe@example.com>, (Click this link to unsubscribe) <http://example.com>"] = true
+
+	// should fail
+	tests["mailto:unsubscribe@example.com"] = false                                                // no <>
+	tests["<mailto::unsubscribe@example.com>"] = false                                             // ::
+	tests["https://example.com/"] = false                                                          // no <>
+	tests["mailto:unsubscribe@example.com, <https://example.com/>"] = false                        // no <>
+	tests["<MAILTO:unsubscribe@example.com>"] = false                                              // capitals
+	tests["<mailto:unsubscribe@example.com>, <mailto:test2@example.com>"] = false                  // two emails
+	tests["<http://exampl\\e2.com>, <http://example2.com>"] = false                                // two links
+	tests["<http://example.com>, <mailto:unsubscribe@example.com>, <http://example2.com>"] = false // two links
+	tests["<mailto:unsubscribe@example.com>, <example.com>"] = false                               // no mailto || http(s)
+	tests["<mailto: unsubscribe@example.com>, <unsubscribe@lol.com>"] = false                      // space
+	tests["<mailto:unsubscribe@example.com?subject=unsubscribe me>"] = false                       // space
+	tests["<http:///example.com>"] = false                                                         // http:///
+
+	for search, expected := range tests {
+		_, err := ListUnsubscribeParser(search)
+		hasError := err != nil
+		if expected == hasError {
+			if err != nil {
+				t.Logf("ListUnsubscribeParser: %v", err)
+			} else {
+				t.Logf("ListUnsubscribeParser: \"%s\" expected: %v", search, expected)
+			}
+			t.Fail()
+		}
+	}
+}

internal/updater/updater.go

@@ -221,7 +221,7 @@ func downloadToFile(url, fileName string) error {
 
 	defer func() {
 		if err := out.Close(); err != nil {
-			logger.Log().Errorf("Error closing file: %s\n", err)
+			logger.Log().Errorf("error closing file: %s", err.Error())
 		}
 	}()
 
@@ -305,11 +305,7 @@ func replaceFile(dst, src string) error {
 	}
 
 	// remove the src file
-	if err := os.Remove(src); err != nil {
-		return err
-	}
-
-	return nil
+	return os.Remove(src)
 }
 
 // GetTempDir will create & return a temporary directory if one has not been specified
@@ -323,7 +319,7 @@ func getTempDir() string {
 	}
 	if err := mkDirIfNotExists(tempDir); err != nil {
 		// need a better way to exit
-		logger.Log().Errorf("Error: %v", err)
+		logger.Log().Errorf("error: %s", err.Error())
 		os.Exit(2)
 	}
 

package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "build": "node esbuild.config.mjs",
+    "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"

sendmail/cmd/cmd.go

@@ -157,7 +157,13 @@ func Run() {
 		}
 	}
 
-	err = smtp.SendMail(SMTPAddr, nil, FromAddr, addresses, body)
+	from, err := mail.ParseAddress(FromAddr)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "invalid from address")
+		os.Exit(11)
+	}
+
+	err = smtp.SendMail(SMTPAddr, nil, from.Address, addresses, body)
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "error sending mail")
 		logger.Log().Fatal(err)

server/apiv1/api.go

@@ -15,6 +15,7 @@ import (
 	"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"
@@ -189,6 +190,8 @@ func GetMessage(w http.ResponseWriter, r *http.Request) {
 	//
 	// 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
 	//
@@ -197,7 +200,7 @@ func GetMessage(w http.ResponseWriter, r *http.Request) {
 	//	Parameters:
 	//	  + name: ID
 	//	    in: path
-	//	    description: Message database ID
+	//	    description: Message database ID or "latest"
 	//	    required: true
 	//	    type: string
 	//
@@ -209,6 +212,16 @@ func GetMessage(w http.ResponseWriter, r *http.Request) {
 
 	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)
@@ -279,6 +292,8 @@ func GetHeaders(w http.ResponseWriter, r *http.Request) {
 	//
 	// Returns the message headers as an array.
 	//
+	// The ID can be set to `latest` to return the latest message headers.
+	//
 	//	Produces:
 	//	- application/json
 	//
@@ -287,7 +302,7 @@ func GetHeaders(w http.ResponseWriter, r *http.Request) {
 	//	Parameters:
 	//	  + name: ID
 	//	    in: path
-	//	    description: Database ID
+	//	    description: Message database ID or "latest"
 	//	    required: true
 	//	    type: string
 	//
@@ -299,6 +314,16 @@ func GetHeaders(w http.ResponseWriter, r *http.Request) {
 
 	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)
@@ -326,6 +351,8 @@ func DownloadRaw(w http.ResponseWriter, r *http.Request) {
 	//
 	// Returns the full email source as plain text.
 	//
+	// The ID can be set to `latest` to return the latest message source.
+	//
 	//	Produces:
 	//	- text/plain
 	//
@@ -334,7 +361,7 @@ func DownloadRaw(w http.ResponseWriter, r *http.Request) {
 	//	Parameters:
 	//	  + name: ID
 	//	    in: path
-	//	    description: Database ID
+	//	    description: Message database ID or "latest"
 	//	    required: true
 	//	    type: string
 	//
@@ -345,9 +372,18 @@ func DownloadRaw(w http.ResponseWriter, r *http.Request) {
 	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)
@@ -476,9 +512,9 @@ func SetReadStatus(w http.ResponseWriter, r *http.Request) {
 	_, _ = w.Write([]byte("ok"))
 }
 
-// GetTags (method: GET) will get all tags currently in use
-func GetTags(w http.ResponseWriter, _ *http.Request) {
-	// swagger:route GET /api/v1/tags tags GetTags
+// 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
 	//
@@ -505,8 +541,8 @@ func GetTags(w http.ResponseWriter, _ *http.Request) {
 	_, _ = w.Write(data)
 }
 
-// SetTags (method: PUT) will set the tags for all provided IDs
-func SetTags(w http.ResponseWriter, r *http.Request) {
+// 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
@@ -542,7 +578,7 @@ func SetTags(w http.ResponseWriter, r *http.Request) {
 
 	if len(ids) > 0 {
 		for _, id := range ids {
-			if err := storage.SetTags(id, data.Tags); err != nil {
+			if err := storage.SetMessageTags(id, data.Tags); err != nil {
 				httpError(w, err.Error())
 				return
 			}
@@ -554,7 +590,6 @@ func SetTags(w http.ResponseWriter, r *http.Request) {
 }
 
 // ReleaseMessage (method: POST) will release a message via a pre-configured external SMTP server.
-// If no IDs are provided then all messages are updated.
 func ReleaseMessage(w http.ResponseWriter, r *http.Request) {
 	// swagger:route POST /api/v1/message/{ID}/release message ReleaseMessage
 	//
@@ -702,6 +737,16 @@ func HTMLCheck(w http.ResponseWriter, r *http.Request) {
 	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)
@@ -747,6 +792,16 @@ func LinkCheck(w http.ResponseWriter, r *http.Request) {
 	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)
@@ -767,6 +822,56 @@ func LinkCheck(w http.ResponseWriter, r *http.Request) {
 	_, _ = w.Write(bytes)
 }
 
+// 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 (beta)
+	//
+	// Returns the SpamAssassin (if enabled) summary of the message.
+	//
+	// NOTE: This feature is currently in beta and is documented for reference only.
+	// Please do not integrate with it (yet) as there may be changes.
+	//
+	//	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
+	}
+
+	bytes, _ := json.Marshal(summary)
+	w.Header().Add("Content-Type", "application/json")
+	_, _ = w.Write(bytes)
+}
+
 // FourOFour returns a basic 404 message
 func fourOFour(w http.ResponseWriter) {
 	w.Header().Set("Referrer-Policy", "no-referrer")

server/apiv1/info.go

@@ -3,32 +3,10 @@ package apiv1
 import (
 	"encoding/json"
 	"net/http"
-	"os"
-	"runtime"
 
-	"github.com/axllent/mailpit/config"
-	"github.com/axllent/mailpit/internal/storage"
-	"github.com/axllent/mailpit/internal/updater"
+	"github.com/axllent/mailpit/internal/stats"
 )
 
-// Response includes the current and latest Mailpit version, database info, and memory usage
-//
-// swagger:model AppInformation
-type appInformation struct {
-	// Current Mailpit version
-	Version string
-	// Latest Mailpit version
-	LatestVersion string
-	// Database path
-	Database string
-	// Database size in bytes
-	DatabaseSize int64
-	// Total number of messages in the database
-	Messages int
-	// Current memory usage in bytes
-	Memory uint64
-}
-
 // 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
@@ -45,27 +23,8 @@ func AppInfo(w http.ResponseWriter, _ *http.Request) {
 	//	Responses:
 	//		200: InfoResponse
 	//		default: ErrorResponse
-	info := appInformation{}
-	info.Version = config.Version
 
-	var m runtime.MemStats
-	runtime.ReadMemStats(&m)
-
-	info.Memory = m.Sys - m.HeapReleased
-
-	latest, _, _, err := updater.GithubLatest(config.Repo, config.RepoBinaryName)
-	if err == nil {
-		info.LatestVersion = latest
-	}
-
-	info.Database = config.DataFile
-
-	db, err := os.Stat(info.Database)
-	if err == nil {
-		info.DatabaseSize = db.Size()
-	}
-
-	info.Messages = storage.CountTotal()
+	info := stats.Load()
 
 	bytes, _ := json.Marshal(info)
 

server/apiv1/structs.go

@@ -3,6 +3,7 @@ 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"
 )
 
@@ -50,3 +51,6 @@ type HTMLCheckResponse = htmlcheck.Response
 
 // LinkCheckResponse summary
 type LinkCheckResponse = linkcheck.Response
+
+// SpamAssassinResponse summary
+type SpamAssassinResponse = spamassassin.Result

server/apiv1/swagger.go

@@ -1,6 +1,8 @@
 package apiv1
 
-// These structs are for the purpose of defining swagger HTTP responses
+import "github.com/axllent/mailpit/internal/stats"
+
+// These structs are for the purpose of defining swagger HTTP parameters & responses
 
 // Application information
 // swagger:response InfoResponse
@@ -8,7 +10,7 @@ type infoResponse struct {
 	// Application information
 	//
 	// in: body
-	Body appInformation
+	Body stats.AppInformation
 }
 
 // Web UI configuration
@@ -118,20 +120,20 @@ type releaseMessageRequestBody struct {
 
 // swagger:parameters HTMLCheck
 type htmlCheckParams struct {
-	// Message database ID
+	// Message database ID or "latest"
 	//
 	// in: path
-	// description: Message database ID
+	// description: Message database ID or "latest"
 	// required: true
 	ID string
 }
 
 // swagger:parameters LinkCheck
 type linkCheckParams struct {
-	// Message database ID
+	// Message database ID or "latest"
 	//
 	// in: path
-	// description: Message database ID
+	// description: Message database ID or "latest"
 	// required: true
 	ID string
 
@@ -144,6 +146,16 @@ type linkCheckParams struct {
 	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
 // swagger:response BinaryResponse
 type binaryResponse string

server/apiv1/thumbnails.go

@@ -77,7 +77,7 @@ func Thumbnail(w http.ResponseWriter, r *http.Request) {
 	img, err := imaging.Decode(buf)
 	if err != nil {
 		// it's not an image, return default
-		logger.Log().Warning(err)
+		logger.Log().Warnf("[image] %s", err.Error())
 		blankImage(a, w)
 		return
 	}
@@ -99,7 +99,7 @@ func Thumbnail(w http.ResponseWriter, r *http.Request) {
 	dst = imaging.OverlayCenter(dst, dstImageFill, 1.0)
 
 	if err := jpeg.Encode(foo, dst, &jpeg.Options{Quality: 70}); err != nil {
-		logger.Log().Warning(err)
+		logger.Log().Warnf("[image] %s", err.Error())
 		blankImage(a, w)
 		return
 	}
@@ -120,7 +120,7 @@ func blankImage(a *enmime.Part, w http.ResponseWriter) {
 	dstImageFill := imaging.Fill(img, thumbWidth, thumbHeight, imaging.Center, imaging.Lanczos)
 
 	if err := jpeg.Encode(foo, dstImageFill, &jpeg.Options{Quality: 70}); err != nil {
-		logger.Log().Warning(err)
+		logger.Log().Warnf("[image] %s", err.Error())
 	}
 
 	fileName := a.FileName

server/apiv1/webui.go

@@ -26,6 +26,9 @@ type webUIConfiguration struct {
 
 	// Whether the HTML check has been globally disabled
 	DisableHTMLCheck bool
+
+	// Whether SpamAssassin is enabled
+	SpamAssassin bool
 }
 
 // WebUIConfig returns configuration settings for the web UI.
@@ -55,6 +58,7 @@ func WebUIConfig(w http.ResponseWriter, _ *http.Request) {
 	}
 
 	conf.DisableHTMLCheck = config.DisableHTMLCheck
+	conf.SpamAssassin = config.EnableSpamAssassin != ""
 
 	bytes, _ := json.Marshal(conf)
 

server/handlers/messages.go

@@ -14,7 +14,7 @@ import (
 
 // RedirectToLatestMessage (method: GET) redirects the web UI to the latest message
 func RedirectToLatestMessage(w http.ResponseWriter, r *http.Request) {
-	messages := []storage.MessageSummary{}
+	var messages []storage.MessageSummary
 	var err error
 
 	search := strings.TrimSpace(r.URL.Query().Get("query"))
@@ -78,31 +78,13 @@ func GetMessageHTML(w http.ResponseWriter, r *http.Request) {
 	id := vars["id"]
 
 	if id == "latest" {
-		messages := []storage.MessageSummary{}
 		var err error
-
-		search := strings.TrimSpace(r.URL.Query().Get("query"))
-		if search != "" {
-			messages, _, err = storage.Search(search, 0, 1)
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		} else {
-			messages, err = storage.List(0, 1)
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		}
-
-		if len(messages) == 0 {
+		id, err = storage.LatestID(r)
+		if err != nil {
 			w.WriteHeader(404)
-			fmt.Fprint(w, "Message not found")
+			fmt.Fprint(w, err.Error())
 			return
 		}
-
-		id = messages[0].ID
 	}
 
 	msg, err := storage.GetMessage(id)
@@ -153,31 +135,13 @@ func GetMessageText(w http.ResponseWriter, r *http.Request) {
 	id := vars["id"]
 
 	if id == "latest" {
-		messages := []storage.MessageSummary{}
 		var err error
-
-		search := strings.TrimSpace(r.URL.Query().Get("query"))
-		if search != "" {
-			messages, _, err = storage.Search(search, 0, 1)
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		} else {
-			messages, err = storage.List(0, 1)
-			if err != nil {
-				httpError(w, err.Error())
-				return
-			}
-		}
-
-		if len(messages) == 0 {
+		id, err = storage.LatestID(r)
+		if err != nil {
 			w.WriteHeader(404)
-			fmt.Fprint(w, "Message not found")
+			fmt.Fprint(w, err.Error())
 			return
 		}
-
-		id = messages[0].ID
 	}
 
 	msg, err := storage.GetMessage(id)

server/handlers/proxy.go

@@ -95,7 +95,7 @@ func ProxyHandler(w http.ResponseWriter, r *http.Request) {
 
 			address, err := absoluteURL(parts[3], uri)
 			if err != nil {
-				logger.Log().Error(err)
+				logger.Log().Errorf("[proxy] %s", err.Error())
 				return []byte(parts[3])
 			}
 

server/server.go

@@ -17,6 +17,7 @@ import (
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/stats"
 	"github.com/axllent/mailpit/internal/storage"
 	"github.com/axllent/mailpit/server/apiv1"
 	"github.com/axllent/mailpit/server/handlers"
@@ -34,10 +35,11 @@ var AccessControlAllowOrigin string
 func Listen() {
 	isReady := &atomic.Value{}
 	isReady.Store(false)
+	stats.Track()
 
 	serverRoot, err := fs.Sub(embeddedFS, "ui")
 	if err != nil {
-		logger.Log().Errorf("[http] %s", err)
+		logger.Log().Errorf("[http] %s", err.Error())
 		os.Exit(1)
 	}
 
@@ -108,8 +110,8 @@ func apiRoutes() *mux.Router {
 	r.HandleFunc(config.Webroot+"api/v1/messages", middleWareFunc(apiv1.GetMessages)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/messages", middleWareFunc(apiv1.SetReadStatus)).Methods("PUT")
 	r.HandleFunc(config.Webroot+"api/v1/messages", middleWareFunc(apiv1.DeleteMessages)).Methods("DELETE")
-	r.HandleFunc(config.Webroot+"api/v1/tags", middleWareFunc(apiv1.GetTags)).Methods("GET")
-	r.HandleFunc(config.Webroot+"api/v1/tags", middleWareFunc(apiv1.SetTags)).Methods("PUT")
+	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/search", middleWareFunc(apiv1.Search)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/search", middleWareFunc(apiv1.DeleteSearch)).Methods("DELETE")
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}/part/{partID}", middleWareFunc(apiv1.DownloadAttachment)).Methods("GET")
@@ -121,6 +123,9 @@ func apiRoutes() *mux.Router {
 		r.HandleFunc(config.Webroot+"api/v1/message/{id}/html-check", middleWareFunc(apiv1.HTMLCheck)).Methods("GET")
 	}
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}/link-check", middleWareFunc(apiv1.LinkCheck)).Methods("GET")
+	if config.EnableSpamAssassin != "" {
+		r.HandleFunc(config.Webroot+"api/v1/message/{id}/sa-check", middleWareFunc(apiv1.SpamAssassinCheck)).Methods("GET")
+	}
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}", middleWareFunc(apiv1.GetMessage)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/info", middleWareFunc(apiv1.AppInfo)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/webui", middleWareFunc(apiv1.WebUIConfig)).Methods("GET")
@@ -288,7 +293,7 @@ func index(w http.ResponseWriter, _ *http.Request) {
 </head>
 
 <body class="h-100">
-	<div class="container-fluid h-100 d-flex flex-column" id="app" data-webroot="{{ .Webroot }}">
+	<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>
 	</div>
 

server/server_test.go

@@ -186,7 +186,7 @@ func TestAPIv1Search(t *testing.T) {
 	defer ts.Close()
 
 	// insert 100
-	t.Log("Insert 100 messages")
+	t.Log("Insert 100 messages & tag")
 	insertEmailData(t)
 	assertStatsEqual(t, ts.URL+"/api/v1/messages", 100, 100)
 
@@ -201,6 +201,8 @@ func TestAPIv1Search(t *testing.T) {
 	assertSearchEqual(t, ts.URL+"/api/v1/search", "!thisdoesnotexist", 100)
 	assertSearchEqual(t, ts.URL+"/api/v1/search", "-thisdoesnotexist", 100)
 	assertSearchEqual(t, ts.URL+"/api/v1/search", "thisdoesnotexist", 0)
+	assertSearchEqual(t, ts.URL+"/api/v1/search", "tag:\"Test tag 065\"", 1)
+	assertSearchEqual(t, ts.URL+"/api/v1/search", "!tag:\"Test tag 023\"", 99)
 }
 
 func setup() {
@@ -272,7 +274,15 @@ func insertEmailData(t *testing.T) {
 			t.Fail()
 		}
 
-		if _, err := storage.Store(buf.Bytes()); err != nil {
+		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()
 		}

server/smtpd/smtpd.go

@@ -12,11 +12,17 @@ import (
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/auth"
 	"github.com/axllent/mailpit/internal/logger"
+	"github.com/axllent/mailpit/internal/stats"
 	"github.com/axllent/mailpit/internal/storage"
 	"github.com/google/uuid"
 	"github.com/mhale/smtpd"
 )
 
+var (
+	// DisableReverseDNS allows rDNS to be disabled
+	DisableReverseDNS bool
+)
+
 func mailHandler(origin net.Addr, from string, to []string, data []byte) error {
 	if !config.SMTPStrictRFCHeaders {
 		// replace all <CR><CR><LF> (\r\r\n) with <CR><LF> (\r\n)
@@ -27,7 +33,7 @@ func mailHandler(origin net.Addr, from string, to []string, data []byte) error {
 	msg, err := mail.ReadMessage(bytes.NewReader(data))
 	if err != nil {
 		logger.Log().Errorf("[smtpd] error parsing message: %s", err.Error())
-
+		stats.LogSMTPRejected()
 		return err
 	}
 
@@ -63,6 +69,7 @@ func mailHandler(origin net.Addr, from string, to []string, data []byte) error {
 	} else if config.IgnoreDuplicateIDs {
 		if storage.MessageIDExists(messageID) {
 			logger.Log().Debugf("[smtpd] duplicate message found, ignoring %s", messageID)
+			stats.LogSMTPIgnored()
 			return nil
 		}
 	}
@@ -116,13 +123,16 @@ func mailHandler(origin net.Addr, from string, to []string, data []byte) error {
 		logger.Log().Debugf("[smtpd] added missing addresses to Bcc header: %s", strings.Join(missingAddresses, ", "))
 	}
 
-	_, err = storage.Store(data)
+	_, err = storage.Store(&data)
 	if err != nil {
 		logger.Log().Errorf("[db] error storing message: %s", err.Error())
-
 		return err
 	}
 
+	stats.LogSMTPAccepted(len(data))
+
+	data = nil // avoid memory leaks
+
 	subject := msg.Header.Get("Subject")
 	logger.Log().Debugf("[smtpd] received (%s) from:%s subject:%q", cleanIP(origin), from, subject)
 
@@ -147,6 +157,22 @@ func authHandlerAny(remoteAddr net.Addr, mechanism string, username []byte, _ []
 	return true, nil
 }
 
+// HandlerRcpt used to optionally restrict recipients based on `--smtp-allowed-recipients`
+func handlerRcpt(remoteAddr net.Addr, from string, to string) bool {
+	if config.SMTPAllowedRecipientsRegexp == nil {
+		return true
+	}
+
+	result := config.SMTPAllowedRecipientsRegexp.MatchString(to)
+
+	if !result {
+		logger.Log().Warnf("[smtpd] rejected message to %s from %s (%s)", to, from, cleanIP(remoteAddr))
+		stats.LogSMTPRejected()
+	}
+
+	return result
+}
+
 // Listen starts the SMTPD server
 func Listen() error {
 	if config.SMTPAuthAllowInsecure {
@@ -170,12 +196,15 @@ func Listen() error {
 
 func listenAndServe(addr string, handler smtpd.Handler, authHandler smtpd.AuthHandler) error {
 	srv := &smtpd.Server{
-		Addr:         addr,
-		Handler:      handler,
-		Appname:      "Mailpit",
-		Hostname:     "",
-		AuthHandler:  nil,
-		AuthRequired: false,
+		Addr:              addr,
+		Handler:           handler,
+		HandlerRcpt:       handlerRcpt,
+		Appname:           "Mailpit",
+		Hostname:          "",
+		AuthHandler:       nil,
+		AuthRequired:      false,
+		MaxRecipients:     config.SMTPMaxRecipients,
+		DisableReverseDNS: DisableReverseDNS,
 	}
 
 	if config.SMTPAuthAllowInsecure {

server/ui-src/assets/_bootstrap.scss

@@ -16,7 +16,7 @@
 @import "bootstrap/scss/images";
 @import "bootstrap/scss/containers";
 @import "bootstrap/scss/grid";
-// @import "bootstrap/scss/tables";
+@import "bootstrap/scss/tables";
 @import "bootstrap/scss/forms";
 @import "bootstrap/scss/buttons";
 @import "bootstrap/scss/transitions";

server/ui-src/assets/styles.scss

@@ -64,6 +64,11 @@
 	}
 }
 
+.link {
+	@extend a;
+	cursor: pointer;
+}
+
 .loader {
 	position: fixed;
 	top: 0;
@@ -124,6 +129,14 @@
 	}
 }
 
+.text-spaces-nowrap {
+	white-space: pre;
+}
+
+.text-spaces {
+	white-space: pre-wrap;
+}
+
 #nav-plain-text .text-view,
 #nav-source {
 	white-space: pre;
@@ -146,6 +159,7 @@
 		padding-right: 1.5rem;
 		font-weight: normal;
 		vertical-align: top;
+		min-width: 120px;
 	}
 
 	td {
@@ -319,6 +333,12 @@ body.blur {
 	}
 }
 
+.dropdown-menu.checks {
+	.dropdown-item {
+		min-width: 190px;
+	}
+}
+
 // bootstrap5-tags
 .tags-badge {
 	display: flex;

server/ui-src/components/AboutMailpit.vue

@@ -148,10 +148,11 @@ export default {
 
 	<template v-else>
 		<!-- Modals -->
-		<div class="modal fade" id="AppInfoModal" tabindex="-1" aria-labelledby="AppInfoModalLabel" aria-hidden="true">
+		<div class="modal modal-xl fade" id="AppInfoModal" tabindex="-1" aria-labelledby="AppInfoModalLabel"
+			aria-hidden="true">
 			<div class="modal-dialog">
-				<div class="modal-content">
-					<div class="modal-header" v-if="mailbox.appInfo">
+				<div class="modal-content" v-if="mailbox.appInfo.RuntimeStats">
+					<div class="modal-header">
 						<h5 class="modal-title" id="AppInfoModalLabel">
 							Mailpit
 							<code>({{ mailbox.appInfo.Version }})</code>
@@ -170,40 +171,111 @@ export default {
 						</a>
 
 						<div class="row g-3">
-							<div class="col-12">
-								<RouterLink to="/api/v1/" class="btn btn-primary w-100" target="_blank">
-									<i class="bi bi-braces"></i>
-									OpenAPI / Swagger API documentation
-								</RouterLink>
-							</div>
-							<div class="col-sm-6">
-								<a class="btn btn-primary w-100" href="https://github.com/axllent/mailpit" target="_blank">
-									<i class="bi bi-github"></i>
-									Github
-								</a>
-							</div>
-							<div class="col-sm-6">
-								<a class="btn btn-primary w-100" href="https://mailpit.axllent.org/docs/" target="_blank">
-									Documentation
-								</a>
-							</div>
-							<div class="col-6">
-								<div class="card border-secondary text-center">
-									<div class="card-header">Database size</div>
-									<div class="card-body text-secondary">
-										<h5 class="card-title">{{ getFileSize(mailbox.appInfo.DatabaseSize) }} </h5>
+							<div class="col-xl-6">
+								<div class="row g-3">
+									<div class="col-12">
+										<RouterLink to="/api/v1/" class="btn btn-primary w-100" target="_blank">
+											<i class="bi bi-braces"></i>
+											OpenAPI / Swagger API documentation
+										</RouterLink>
+									</div>
+									<div class="col-sm-6">
+										<a class="btn btn-primary w-100" href="https://github.com/axllent/mailpit"
+											target="_blank">
+											<i class="bi bi-github"></i>
+											Github
+										</a>
+									</div>
+									<div class="col-sm-6">
+										<a class="btn btn-primary w-100" href="https://mailpit.axllent.org/docs/"
+											target="_blank">
+											Documentation
+										</a>
+									</div>
+									<div class="col-6">
+										<div class="card border-secondary text-center">
+											<div class="card-header">Database size</div>
+											<div class="card-body text-secondary">
+												<h5 class="card-title">{{ getFileSize(mailbox.appInfo.DatabaseSize) }} </h5>
+											</div>
+										</div>
+									</div>
+									<div class="col-6">
+										<div class="card border-secondary text-center">
+											<div class="card-header">RAM usage</div>
+											<div class="card-body text-secondary">
+												<h5 class="card-title">{{ getFileSize(mailbox.appInfo.RuntimeStats.Memory)
+												}} </h5>
+											</div>
+										</div>
 									</div>
 								</div>
 							</div>
-							<div class="col-6">
-								<div class="card border-secondary text-center">
-									<div class="card-header">RAM usage</div>
-									<div class="card-body text-secondary">
-										<h5 class="card-title">{{ getFileSize(mailbox.appInfo.Memory) }} </h5>
+							<div class="col-xl-6">
+								<div class="card border-secondary">
+									<div class="card-header h4">
+										Runtime statistics
+										<button class="btn btn-sm btn-outline-secondary float-end" v-on:click="loadInfo">
+											Refresh
+										</button>
 									</div>
+									<div class="card-body text-secondary">
+										<table class="table table-sm table-borderless mb-0">
+											<tbody>
+												<tr>
+													<td>
+														Mailpit uptime
+													</td>
+													<td>
+														{{ secondsToRelative(mailbox.appInfo.RuntimeStats.Uptime) }}
+													</td>
+												</tr>
+												<tr>
+													<td>
+														Messages deleted
+													</td>
+													<td>
+														{{ formatNumber(mailbox.appInfo.RuntimeStats.MessagesDeleted) }}
+													</td>
+												</tr>
+												<tr>
+													<td>
+														SMTP messages accepted
+													</td>
+													<td>
+														{{ formatNumber(mailbox.appInfo.RuntimeStats.SMTPAccepted) }}
+														<small class="text-secondary">
+															({{
+																getFileSize(mailbox.appInfo.RuntimeStats.SMTPAcceptedSize)
+															}})
+														</small>
+													</td>
+												</tr>
+												<tr>
+													<td>
+														SMTP messages rejected
+													</td>
+													<td>
+														{{ formatNumber(mailbox.appInfo.RuntimeStats.SMTPRejected) }}
+													</td>
+												</tr>
+												<tr>
+													<td>
+														SMTP messages ignored
+													</td>
+													<td>
+														{{ formatNumber(mailbox.appInfo.RuntimeStats.SMTPIgnored) }}
+													</td>
+												</tr>
+											</tbody>
+										</table>
+									</div>
+
 								</div>
+
 							</div>
 						</div>
+
 					</div>
 					<div class="modal-footer">
 						<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Close</button>

server/ui-src/components/Favicon.vue

@@ -72,8 +72,6 @@ export default {
                 fontSize = strlen > 3 ? 30 : 36
             }
 
-            console.log(fontSize)
-
             let canvas = document.createElement('canvas')
             canvas.width = 64
             canvas.height = 64

server/ui-src/components/ListMessages.vue

@@ -122,13 +122,13 @@ export default {
 						{{ getRelativeCreated(message) }}
 					</div>
 					<div class="text-truncate d-lg-none privacy">
-						<span v-if="message.From" :title="message.From.Address">{{
+						<span v-if="message.From" :title="'From: ' + message.From.Address">{{
 							message.From.Name ?
 							message.From.Name : message.From.Address
 						}}</span>
 					</div>
 					<div class="text-truncate d-none d-lg-block privacy">
-						<b v-if="message.From" :title="message.From.Address">{{
+						<b v-if="message.From" :title="'From: ' + message.From.Address">{{
 							message.From.Name ?
 							message.From.Name : message.From.Address
 						}}</b>
@@ -141,7 +141,7 @@ export default {
 					</div>
 				</div>
 				<div class="col-lg-6 col-xxl-7 mt-2 mt-lg-0">
-					<div class="subject text-truncate">
+					<div class="subject text-truncate text-spaces-nowrap">
 						<b>{{ message.Subject != "" ? message.Subject : "[ no subject ]" }}</b>
 					</div>
 					<div v-if="message.Snippet != ''" class="small text-muted text-truncate">

server/ui-src/components/NavTags.vue

@@ -1,10 +1,13 @@
 <script>
 import CommonMixins from '../mixins/CommonMixins'
 import { mailbox } from '../stores/mailbox'
+import { pagination } from '../stores/pagination'
 
 export default {
 	mixins: [CommonMixins],
 
+	emits: ['loadMessages'],
+
 	data() {
 		return {
 			mailbox,
@@ -12,6 +15,22 @@ export default {
 	},
 
 	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) {
 			const urlParams = new URLSearchParams(window.location.search)
 			const query = urlParams.get('q')
@@ -21,6 +40,35 @@ export default {
 
 			let re = new RegExp(`(^|\\s)tag:"?${tag}"?($|\\s)`, 'i')
 			return query.match(re)
+		},
+
+		// toggle a tag search in the search URL, add or remove it accordingly
+		toggleTag: function (e, tag) {
+			e.preventDefault()
+
+			const urlParams = new URLSearchParams(window.location.search)
+			let query = urlParams.get('q') ? urlParams.get('q') : ''
+
+			let re = new RegExp(`(^|\\s)((-|\\!)?tag:"?${tag}"?)($|\\s)`, 'i')
+
+			if (query.match(re)) {
+				// remove is exists
+				query = query.replace(re, '$1$4')
+			} else {
+				// add to query
+				if (tag.match(/ /)) {
+					tag = `"${tag}"`
+				}
+				query = query + " tag:" + tag
+			}
+
+			query = query.trim()
+
+			if (query == '') {
+				this.$router.push('/')
+			} else {
+				this.$router.push('/search?q=' + encodeURIComponent(query))
+			}
 		}
 	}
 }
@@ -44,6 +92,7 @@ export default {
 		</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)"
 				: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

@@ -15,10 +15,16 @@ export default {
 			reconnectRefresh: false,
 			socketURI: false,
 			pauseNotifications: false, // prevent spamming
+			version: false
 		}
 	},
 
 	mounted() {
+		let d = document.getElementById('app')
+		if (d) {
+			this.version = d.dataset.version
+		}
+
 		let proto = location.protocol == 'https:' ? 'wss' : 'ws'
 		this.socketURI = proto + "://" + document.location.host + this.resolve(`/api/events`)
 
@@ -35,10 +41,13 @@ export default {
 			let ws = new WebSocket(this.socketURI)
 			let self = this
 			ws.onmessage = function (e) {
-				let response = JSON.parse(e.data)
-				if (!response) {
+				let response
+				try {
+					response = JSON.parse(e.data)
+				} catch (e) {
 					return
 				}
+
 				// new messages
 				if (response.Type == "new" && response.Data) {
 					if (!mailbox.searching) {
@@ -79,6 +88,11 @@ export default {
 					// 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) {
+						location.reload()
+					}
 				}
 			}
 

server/ui-src/components/SearchForm.vue

@@ -5,10 +5,11 @@ import { pagination } from '../stores/pagination'
 export default {
 	mixins: [CommonMixins],
 
+	emits: ['loadMessages'],
+
 	data() {
 		return {
-			search: '',
-			pagination
+			search: ''
 		}
 	},
 
@@ -33,6 +34,12 @@ export default {
 			if (this.search == '') {
 				this.$router.push('/')
 			} else {
+				const urlParams = new URLSearchParams(window.location.search)
+				let curr = urlParams.get('q')
+				if (curr && curr == this.search) {
+					pagination.start = 0
+					this.$emit('loadMessages')
+				}
 				this.$router.push('/search?q=' + encodeURIComponent(this.search))
 			}
 

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

@@ -1,11 +1,13 @@
 
 <script>
 import Attachments from './Attachments.vue'
-import HTMLCheck from './HTMLCheck.vue'
 import Headers from './Headers.vue'
+import HTMLCheck from './HTMLCheck.vue'
 import LinkCheck from './LinkCheck.vue'
+import SpamAssassin from './SpamAssassin.vue'
 import Prism from 'prismjs'
 import Tags from 'bootstrap5-tags'
+import { Tooltip } from 'bootstrap'
 import commonMixins from '../../mixins/CommonMixins'
 import { mailbox } from '../../stores/mailbox'
 
@@ -19,6 +21,7 @@ export default {
 		Headers,
 		HTMLCheck,
 		LinkCheck,
+		SpamAssassin,
 	},
 
 	mixins: [commonMixins],
@@ -34,7 +37,10 @@ export default {
 			htmlScore: false,
 			htmlScoreColor: false,
 			linkCheckErrors: false,
+			spamScore: false,
+			spamScoreColor: false,
 			showMobileButtons: false,
+			showUnsubscribe: false,
 			scaleHTMLPreview: 'display',
 			// keys names match bootstrap icon names 
 			responsiveSizes: {
@@ -117,6 +123,9 @@ export default {
 				})
 			})
 
+			const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]');
+			[...tooltipTriggerList].map(tooltipTriggerEl => new Tooltip(tooltipTriggerEl))
+
 			// delay 0.2s until vue has rendered the iframe content
 			window.setTimeout(function () {
 				let p = document.getElementById('preview-html')
@@ -230,7 +239,7 @@ export default {
 							<th class="small">From</th>
 							<td class="privacy">
 								<span v-if="message.From">
-									<span v-if="message.From.Name">{{ message.From.Name + " " }}</span>
+									<span v-if="message.From.Name" class="text-spaces">{{ message.From.Name + " " }}</span>
 									<span v-if="message.From.Address" class="small">
 										&lt;<a :href="searchURI(message.From.Address)" class="text-body">
 											{{ message.From.Address }}
@@ -240,15 +249,23 @@ export default {
 								<span v-else>
 									[ Unknown ]
 								</span>
+
+								<span v-if="message.ListUnsubscribe.Header != ''" class="small ms-3 link"
+									:title="showUnsubscribe ? 'Hide unsubscribe information' : 'Show unsubscribe information'"
+									@click="showUnsubscribe = !showUnsubscribe">
+									Unsubscribe
+									<i class="bi bi bi-info-circle"
+										:class="{ 'text-danger': message.ListUnsubscribe.Errors != '' }"></i>
+								</span>
 							</td>
 						</tr>
 						<tr class="small">
 							<th>To</th>
 							<td class="privacy">
-								<span v-if="message.To && message.To.length" v-for="(t, i) in message.To">
+								<span v-if="message.To && message.To.length" v-for="(   t, i   ) in    message.To   ">
 									<template v-if="i > 0">, </template>
 									<span>
-										{{ t.Name }}
+										<span class="text-spaces">{{ t.Name }}</span>
 										&lt;<a :href="searchURI(t.Address)" class="text-body">
 											{{ t.Address }}
 										</a>&gt;
@@ -260,9 +277,9 @@ export default {
 						<tr v-if="message.Cc && message.Cc.length" class="small">
 							<th>Cc</th>
 							<td class="privacy">
-								<span v-for="(t, i) in message.Cc">
+								<span v-for="(   t, i   ) in    message.Cc   ">
 									<template v-if="i > 0">,</template>
-									{{ t.Name }}
+									<span class="text-spaces">{{ t.Name }}</span>
 									&lt;<a :href="searchURI(t.Address)" class="text-body">
 										{{ t.Address }}
 									</a>&gt;
@@ -272,9 +289,9 @@ export default {
 						<tr v-if="message.Bcc && message.Bcc.length" class="small">
 							<th>Bcc</th>
 							<td class="privacy">
-								<span v-for="(t, i) in message.Bcc">
+								<span v-for="(   t, i   ) in    message.Bcc   ">
 									<template v-if="i > 0">,</template>
-									{{ t.Name }}
+									<span class="text-spaces">{{ t.Name }}</span>
 									&lt;<a :href="searchURI(t.Address)" class="text-body">
 										{{ t.Address }}
 									</a>&gt;
@@ -284,9 +301,9 @@ export default {
 						<tr v-if="message.ReplyTo && message.ReplyTo.length" class="small">
 							<th class="text-nowrap">Reply-To</th>
 							<td class="privacy text-body-secondary text-break">
-								<span v-for="(t, i) in message.ReplyTo">
+								<span v-for="(   t, i   ) in    message.ReplyTo   ">
 									<template v-if="i > 0">,</template>
-									{{ t.Name }}
+									<span class="text-spaces">{{ t.Name }}</span>
 									&lt;<a :href="searchURI(t.Address)" class="text-body-secondary">
 										{{ t.Address }}
 									</a>&gt;
@@ -305,7 +322,7 @@ export default {
 						<tr>
 							<th class="small">Subject</th>
 							<td>
-								<strong v-if="message.Subject != ''">{{ message.Subject }}</strong>
+								<strong v-if="message.Subject != ''" class="text-spaces">{{ message.Subject }}</strong>
 								<small class="text-body-secondary" v-else>[ no subject ]</small>
 							</td>
 						</tr>
@@ -324,11 +341,34 @@ export default {
 									data-separator="|,|">
 									<option value="">Type a tag...</option>
 									<!-- you need at least one option with the placeholder -->
-									<option v-for="t in mailbox.tags" :value="t">{{ t }}</option>
+									<option v-for="   t    in    mailbox.tags   " :value="t">{{ t }}</option>
 								</select>
 								<div class="invalid-feedback">Invalid tag name</div>
 							</td>
 						</tr>
+
+						<tr v-if="message.ListUnsubscribe.Header != ''" class="small"
+							:class="showUnsubscribe ? '' : 'd-none'">
+							<th>Unsubscribe</th>
+							<td>
+								<span v-if="message.ListUnsubscribe.Links.length" class="text-secondary small me-2">
+									<template v-for="(u, i) in message.ListUnsubscribe.Links">
+										<template v-if="i > 0">, </template>
+										&lt;{{ u }}&gt;
+									</template>
+								</span>
+								<i class="bi bi-info-circle text-success me-2 link"
+									v-if="message.ListUnsubscribe.HeaderPost != ''" data-bs-toggle="tooltip"
+									data-bs-placement="top" data-bs-custom-class="custom-tooltip"
+									:data-bs-title="'List-Unsubscribe-Post: ' + message.ListUnsubscribe.HeaderPost">
+								</i>
+								<i class="bi bi-exclamation-circle text-danger link"
+									v-if="message.ListUnsubscribe.Errors != ''" data-bs-toggle="tooltip"
+									data-bs-placement="top" data-bs-custom-class="custom-tooltip"
+									:data-bs-title="message.ListUnsubscribe.Errors">
+								</i>
+							</td>
+						</tr>
 					</tbody>
 				</table>
 			</div>
@@ -386,13 +426,14 @@ export default {
 					<button class="nav-link dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
 						Checks
 					</button>
-					<ul class="dropdown-menu">
+					<ul class="dropdown-menu checks">
 						<li>
 							<button class="dropdown-item" id="nav-html-check-tab" data-bs-toggle="tab"
 								data-bs-target="#nav-html-check" type="button" role="tab" aria-controls="nav-html"
 								aria-selected="false" v-if="!mailbox.uiConfig.DisableHTMLCheck && message.HTML != ''">
 								HTML Check
-								<span class="badge rounded-pill p-1" :class="htmlScoreColor" v-if="htmlScore !== false">
+								<span class="badge rounded-pill p-1 float-end" :class="htmlScoreColor"
+									v-if="htmlScore !== false">
 									<small>{{ Math.floor(htmlScore) }}%</small>
 								</span>
 							</button>
@@ -402,12 +443,25 @@ export default {
 								data-bs-target="#nav-link-check" type="button" role="tab" aria-controls="nav-link-check"
 								aria-selected="false">
 								Link Check
-								<i class="bi bi-check-all text-success" v-if="linkCheckErrors === 0"></i>
-								<span class="badge rounded-pill bg-danger" v-else-if="linkCheckErrors > 0">
+								<span class="badge rounded-pill bg-success float-end" v-if="linkCheckErrors === 0">
+									<small>0</small>
+								</span>
+								<span class="badge rounded-pill bg-danger float-end" v-else-if="linkCheckErrors > 0">
 									<small>{{ formatNumber(linkCheckErrors) }}</small>
 								</span>
 							</button>
 						</li>
+						<li v-if="mailbox.uiConfig.SpamAssassin">
+							<button class="dropdown-item" id="nav-spam-check-tab" data-bs-toggle="tab"
+								data-bs-target="#nav-spam-check" type="button" role="tab" aria-controls="nav-html"
+								aria-selected="false">
+								Spam Analysis
+								<span class="badge rounded-pill float-end" :class="spamScoreColor"
+									v-if="spamScore !== false">
+									<small>{{ spamScore }}</small>
+								</span>
+							</button>
+						</li>
 					</ul>
 				</div>
 				<button class="d-none d-xl-inline-block nav-link position-relative" id="nav-html-check-tab"
@@ -427,9 +481,17 @@ export default {
 						<small>{{ formatNumber(linkCheckErrors) }}</small>
 					</span>
 				</button>
+				<button class="d-none d-xl-inline-block nav-link position-relative" id="nav-spam-check-tab"
+					data-bs-toggle="tab" data-bs-target="#nav-spam-check" type="button" role="tab" aria-controls="nav-html"
+					aria-selected="false" v-if="mailbox.uiConfig.SpamAssassin">
+					Spam Analysis
+					<span class="badge rounded-pill" :class="spamScoreColor" v-if="spamScore !== false">
+						<small>{{ spamScore }}</small>
+					</span>
+				</button>
 
 				<div class="d-none d-lg-block ms-auto me-3" v-if="showMobileButtons">
-					<template v-for="vals, key in responsiveSizes">
+					<template v-for="   vals, key    in    responsiveSizes   ">
 						<button class="btn" :disabled="scaleHTMLPreview == key" :title="'Switch to ' + key + ' view'"
 							v-on:click="scaleHTMLPreview = key">
 							<i class="bi" :class="'bi-' + key"></i>
@@ -472,6 +534,11 @@ export default {
 				<HTMLCheck v-if="!mailbox.uiConfig.DisableHTMLCheck && message.HTML != ''" :message="message"
 					@setHtmlScore="(n) => htmlScore = n" @set-badge-style="(v) => htmlScoreColor = v" />
 			</div>
+			<div class="tab-pane fade" id="nav-spam-check" role="tabpanel" aria-labelledby="nav-spam-check-tab"
+				tabindex="0">
+				<SpamAssassin v-if="mailbox.uiConfig.SpamAssassin" :message="message" @setSpamScore="(n) => spamScore = n"
+					@set-badge-style="(v) => spamScoreColor = v" />
+			</div>
 			<div class="tab-pane fade" id="nav-link-check" role="tabpanel" aria-labelledby="nav-html-check-tab"
 				tabindex="0">
 				<LinkCheck :message="message" @setLinkErrors="(n) => linkCheckErrors = n" />

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

@@ -0,0 +1,297 @@
+<script>
+import Donut from 'vue-css-donut-chart/src/components/Donut.vue'
+import axios from 'axios'
+import commonMixins from '../../mixins/CommonMixins'
+
+export default {
+	props: {
+		message: Object,
+	},
+
+	components: {
+		Donut,
+	},
+
+	emits: ["setSpamScore", "setBadgeStyle"],
+
+	mixins: [commonMixins],
+
+	data() {
+		return {
+			error: false,
+			check: false,
+		}
+	},
+
+	mounted() {
+		this.doCheck()
+	},
+
+	watch: {
+		message: {
+			handler() {
+				this.$emit('setSpamScore', false)
+				this.doCheck()
+			},
+			deep: true
+		},
+	},
+
+	methods: {
+		doCheck: function () {
+			this.check = false
+
+			let self = this
+
+			// ignore any error, do not show loader
+			axios.get(self.resolve('/api/v1/message/' + self.message.ID + '/sa-check'), null)
+				.then(function (result) {
+					self.check = result.data
+					self.error = false
+					self.setIcons()
+				})
+				.catch(function (error) {
+					// handle error
+					if (error.response && error.response.data) {
+						// The request was made and the server responded with a status code
+						// that falls out of the range of 2xx
+						if (error.response.data.Error) {
+							self.error = error.response.data.Error
+						} else {
+							self.error = error.response.data
+						}
+					} else if (error.request) {
+						// The request was made but no response was received
+						// `error.request` is an instance of XMLHttpRequest in the browser and an instance of
+						// http.ClientRequest in node.js
+						self.error = 'Error sending data to the server. Please try again.'
+					} else {
+						// Something happened in setting up the request that triggered an Error
+						self.error = error.message
+					}
+				})
+		},
+
+		badgeStyle: function (ignorePadding = false) {
+			let badgeStyle = 'bg-success'
+			if (this.check.Error) {
+				badgeStyle = 'bg-warning text-primary'
+			}
+			else if (this.check.IsSpam) {
+				badgeStyle = 'bg-danger'
+			} else if (this.check.Score >= 4) {
+				badgeStyle = 'bg-warning text-primary'
+			}
+
+			if (!ignorePadding && String(this.check.Score).includes('.')) {
+				badgeStyle += " p-1"
+			}
+
+			return badgeStyle
+		},
+
+		setIcons: function () {
+			let score = this.check.Score
+			if (this.check.Error && this.check.Error != '') {
+				score = '!'
+			}
+			let badgeStyle = this.badgeStyle()
+			this.$emit('setBadgeStyle', badgeStyle)
+			this.$emit('setSpamScore', score)
+		},
+	},
+
+	computed: {
+		graphSections: function () {
+			let score = this.check.Score
+			let p = Math.round(score / 5 * 100)
+			if (p > 100) {
+				p = 100
+			} else if (p < 0) {
+				p = 0
+			}
+
+			let c = '#ffc107'
+			if (this.check.IsSpam) {
+				c = '#dc3545'
+			}
+
+			return [
+				{
+					label: score + ' / 5',
+					value: p,
+					color: c
+				},
+			];
+		},
+	}
+}
+</script>
+
+<template>
+	<div class="row mb-3 w-100 align-items-center">
+		<div class="col">
+			<h4 class="mb-0">Spam Analysis</h4>
+		</div>
+		<div class="col-auto">
+			<button class="btn btn-outline-secondary" data-bs-toggle="modal" data-bs-target="#AboutSpamAnalysis">
+				<i class="bi bi-info-circle-fill"></i>
+				Help
+			</button>
+		</div>
+	</div>
+
+	<template v-if="error || check.Error != ''">
+		<p>Your message could not be checked</p>
+		<div class="alert alert-warning" v-if="error">
+			{{ error }}
+		</div>
+		<div class="alert alert-warning" v-else>
+			There was an error contacting the configured SpamAssassin server: {{ check.Error }}
+		</div>
+	</template>
+
+	<template v-else-if="check">
+		<div class="row w-100 mt-5">
+			<div class="col-xl-5 mb-2">
+				<Donut :sections="graphSections" background="var(--bs-body-bg)" :size="230" unit="px" :thickness="20"
+					:total="100" :start-angle="270" :auto-adjust-text-size="true" foreground="#198754">
+					<h2 class="m-0" :class="scoreColor" @click="scrollToWarnings">
+						{{ check.Score }} / 5
+					</h2>
+					<div class="text-body mt-2">
+						<span v-if="check.IsSpam" class="text-white badge rounded-pill bg-danger p-2">Spam</span>
+						<span v-else class="badge rounded-pill p-2" :class="badgeStyle()">Not spam</span>
+					</div>
+				</Donut>
+			</div>
+			<div class="col-xl-7">
+				<div class="row w-100 py-2 border-bottom">
+					<div class="col-2 col-lg-1">
+						<strong>Score</strong>
+					</div>
+					<div class="col-10 col-lg-5">
+						<strong>Rule <span class="d-none d-lg-inline">name</span></strong>
+					</div>
+					<div class="col-auto d-none d-lg-block">
+						<strong>Description</strong>
+					</div>
+				</div>
+
+				<div class="row w-100 py-2 border-bottom small" v-for="r in check.Rules">
+					<div class="col-2 col-lg-1">
+						{{ r.Score }}
+					</div>
+					<div class="col-10 col-lg-5">
+						{{ r.Name }}
+					</div>
+					<div class="col-auto col-lg-6 mt-2 mt-lg-0 offset-2 offset-lg-0">
+						{{ r.Description }}
+					</div>
+				</div>
+			</div>
+		</div>
+	</template>
+
+	<div class="modal fade" id="AboutSpamAnalysis" tabindex="-1" aria-labelledby="AboutSpamAnalysisLabel"
+		aria-hidden="true">
+		<div class="modal-dialog modal-lg modal-dialog-scrollable">
+			<div class="modal-content">
+				<div class="modal-header">
+					<h1 class="modal-title fs-5" id="AboutSpamAnalysisLabel">About Spam Analysis</h1>
+					<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+				</div>
+				<div class="modal-body">
+					<p>
+						Spam Analysis is currently in beta. Constructive feedback is welcome via
+						<a href="https://github.com/axllent/mailpit/issues" target="_blank">GitHub</a>.
+					</p>
+					<div class="accordion" id="SpamAnalysisAboutAccordion">
+						<div class="accordion-item">
+							<h2 class="accordion-header">
+								<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
+									data-bs-target="#col1" aria-expanded="false" aria-controls="col1">
+									What is Spam Analysis?
+								</button>
+							</h2>
+							<div id="col1" class="accordion-collapse collapse" data-bs-parent="#SpamAnalysisAboutAccordion">
+								<div class="accordion-body">
+									<p>
+										Mailpit integrates with SpamAssassin to provide you with some insight into the
+										"spamminess" of your messages. It sends your complete message (including any
+										attachments) to a running SpamAssassin server and then displays the results returned
+										by SpamAssassin.
+									</p>
+								</div>
+							</div>
+						</div>
+						<div class="accordion-item">
+							<h2 class="accordion-header">
+								<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
+									data-bs-target="#col2" aria-expanded="false" aria-controls="col2">
+									How does the point system work?
+								</button>
+							</h2>
+							<div id="col2" class="accordion-collapse collapse" data-bs-parent="#SpamAnalysisAboutAccordion">
+								<div class="accordion-body">
+									<p>
+										The default spam threshold is <code>5</code>, meaning any score lower than 5 is
+										considered ham (not spam), and any score of 5 or above is spam.
+									</p>
+									<p>
+										SpamAssassin will also return the tests which are triggered by the message. These
+										tests can differ depending on the configuration of your SpamAssassin server. The
+										total of this score makes up the the "spamminess" of the message.
+									</p>
+								</div>
+							</div>
+						</div>
+						<div class="accordion-item">
+							<h2 class="accordion-header">
+								<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
+									data-bs-target="#col3" aria-expanded="false" aria-controls="col3">
+									But I don't agree with the results...
+								</button>
+							</h2>
+							<div id="col3" class="accordion-collapse collapse" data-bs-parent="#SpamAnalysisAboutAccordion">
+								<div class="accordion-body">
+									<p>
+										Mailpit does not manipulate the results nor determine the "spamminess" of
+										your message. The result is what SpamAssassin returns, and it entirely
+										dependent on how SpamAssassin is set up and optionally trained.
+									</p>
+									<p>
+										This tool is simply provided as an aid to assist you. If you are running your own
+										instance of SpamAssassin, then you look into your SpamAssassin configuration.
+									</p>
+								</div>
+							</div>
+						</div>
+						<div class="accordion-item">
+							<h2 class="accordion-header">
+								<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
+									data-bs-target="#col4" aria-expanded="false" aria-controls="col4">
+									Where can I find more information about the triggered rules?
+								</button>
+							</h2>
+							<div id="col4" class="accordion-collapse collapse" data-bs-parent="#SpamAnalysisAboutAccordion">
+								<div class="accordion-body">
+									<p>
+										Unfortunately the current <a href="https://spamassassin.apache.org/"
+											target="_blank">SpamAssassin website</a> no longer contains any relative
+										documentation
+										about these, most likely because the rules come from different locations and change
+										often. You will need to search the internet for these yourself.
+									</p>
+								</div>
+							</div>
+						</div>
+					</div>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+				</div>
+			</div>
+		</div>
+	</div>
+</template>

server/ui-src/mixins/CommonMixins.js

@@ -33,6 +33,9 @@ export default {
 		},
 
 		getFileSize: function (bytes) {
+			if (bytes == 0) {
+				return '0B'
+			}
 			var i = Math.floor(Math.log(bytes) / Math.log(1024))
 			return (bytes / Math.pow(1024, i)).toFixed(1) * 1 + ' ' + ['B', 'kB', 'MB', 'GB', 'TB'][i]
 		},
@@ -45,6 +48,10 @@ export default {
 			return moment(d).format('ddd, D MMM YYYY, h:mm a')
 		},
 
+		secondsToRelative: function (d) {
+			return moment().subtract(d, 'seconds').fromNow()
+		},
+
 		tagEncodeURI: function (tag) {
 			if (tag.match(/ /)) {
 				tag = `"${tag}"`

server/ui-src/views/SearchView.vue

@@ -74,7 +74,7 @@ export default {
 			</RouterLink>
 		</div>
 		<div class="col col-md-4k col-lg-5 col-xl-6">
-			<SearchForm />
+			<SearchForm @loadMessages="loadMessages" />
 		</div>
 		<div class="col-12 col-md-auto col-lg-4 col-xl-4 text-end mt-2 mt-lg-0">
 			<div class="float-start d-md-none">
@@ -96,7 +96,7 @@ export default {
 		</div>
 		<div class="offcanvas-body">
 			<NavSearch @loadMessages="loadMessages" />
-			<NavTags />
+			<NavTags @loadMessages="loadMessages" />
 			<AboutMailpit />
 		</div>
 	</div>
@@ -105,7 +105,7 @@ export default {
 		<div class="d-none d-md-block col-xl-2 col-md-3 mh-100 position-relative"
 			style="overflow-y: auto; overflow-x: hidden;">
 			<NavSearch @loadMessages="loadMessages" />
-			<NavTags />
+			<NavTags @loadMessages="loadMessages" />
 			<AboutMailpit />
 		</div>
 

server/ui/api/v1/swagger.json

@@ -50,7 +50,7 @@
     },
     "/api/v1/message/{ID}": {
       "get": {
-        "description": "Returns the summary of a message, marking the message as read.",
+        "description": "Returns the summary of a message, marking the message as read.\n\nThe ID can be set to `latest` to return the latest message.",
         "produces": [
           "application/json"
         ],
@@ -66,7 +66,7 @@
         "parameters": [
           {
             "type": "string",
-            "description": "Message database ID",
+            "description": "Message database ID or \"latest\"",
             "name": "ID",
             "in": "path",
             "required": true
@@ -87,7 +87,7 @@
     },
     "/api/v1/message/{ID}/headers": {
       "get": {
-        "description": "Returns the message headers as an array.",
+        "description": "Returns the message headers as an array.\n\nThe ID can be set to `latest` to return the latest message headers.",
         "produces": [
           "application/json"
         ],
@@ -103,7 +103,7 @@
         "parameters": [
           {
             "type": "string",
-            "description": "Database ID",
+            "description": "Message database ID or \"latest\"",
             "name": "ID",
             "in": "path",
             "required": true
@@ -140,7 +140,7 @@
         "parameters": [
           {
             "type": "string",
-            "description": "Message database ID",
+            "description": "Message database ID or \"latest\"",
             "name": "ID",
             "in": "path",
             "required": true
@@ -177,7 +177,7 @@
         "parameters": [
           {
             "type": "string",
-            "description": "Message database ID",
+            "description": "Message database ID or \"latest\"",
             "name": "ID",
             "in": "path",
             "required": true
@@ -290,7 +290,7 @@
     },
     "/api/v1/message/{ID}/raw": {
       "get": {
-        "description": "Returns the full email source as plain text.",
+        "description": "Returns the full email source as plain text.\n\nThe ID can be set to `latest` to return the latest message source.",
         "produces": [
           "text/plain"
         ],
@@ -306,7 +306,7 @@
         "parameters": [
           {
             "type": "string",
-            "description": "Database ID",
+            "description": "Message database ID or \"latest\"",
             "name": "ID",
             "in": "path",
             "required": true
@@ -366,6 +366,43 @@
         }
       }
     },
+    "/api/v1/message/{ID}/sa-check": {
+      "get": {
+        "description": "Returns the SpamAssassin (if enabled) summary of the message.\n\nNOTE: This feature is currently in beta and is documented for reference only.\nPlease do not integrate with it (yet) as there may be changes.",
+        "produces": [
+          "application/json"
+        ],
+        "schemes": [
+          "http",
+          "https"
+        ],
+        "tags": [
+          "Other"
+        ],
+        "summary": "SpamAssassin check (beta)",
+        "operationId": "SpamAssassinCheck",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "Message database ID or \"latest\"",
+            "name": "ID",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "SpamAssassinResponse",
+            "schema": {
+              "$ref": "#/definitions/SpamAssassinResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/ErrorResponse"
+          }
+        }
+      }
+    },
     "/api/v1/messages": {
       "get": {
         "description": "Returns messages from the mailbox ordered from newest to oldest.",
@@ -571,7 +608,7 @@
           "tags"
         ],
         "summary": "Get all current tags",
-        "operationId": "GetTags",
+        "operationId": "GetAllTags",
         "responses": {
           "200": {
             "$ref": "#/responses/ArrayResponse"
@@ -727,7 +764,7 @@
       "x-go-package": "net/mail"
     },
     "AppInformation": {
-      "description": "Response includes the current and latest Mailpit version, database info, and memory usage",
+      "description": "AppInformation struct",
       "type": "object",
       "properties": {
         "Database": {
@@ -743,23 +780,71 @@
           "description": "Latest Mailpit version",
           "type": "string"
         },
-        "Memory": {
-          "description": "Current memory usage in bytes",
-          "type": "integer",
-          "format": "uint64"
-        },
         "Messages": {
           "description": "Total number of messages in the database",
           "type": "integer",
           "format": "int64"
         },
+        "RuntimeStats": {
+          "description": "Runtime statistics",
+          "type": "object",
+          "properties": {
+            "Memory": {
+              "description": "Current memory usage in bytes",
+              "type": "integer",
+              "format": "uint64"
+            },
+            "MessagesDeleted": {
+              "description": "Database runtime messages deleted",
+              "type": "integer",
+              "format": "int64"
+            },
+            "SMTPAccepted": {
+              "description": "Accepted runtime SMTP messages",
+              "type": "integer",
+              "format": "int64"
+            },
+            "SMTPAcceptedSize": {
+              "description": "Total runtime accepted messages size in bytes",
+              "type": "integer",
+              "format": "int64"
+            },
+            "SMTPIgnored": {
+              "description": "Ignored runtime SMTP messages (when using --ignore-duplicate-ids)",
+              "type": "integer",
+              "format": "int64"
+            },
+            "SMTPRejected": {
+              "description": "Rejected runtime SMTP messages",
+              "type": "integer",
+              "format": "int64"
+            },
+            "Uptime": {
+              "description": "Mailpit server uptime in seconds",
+              "type": "integer",
+              "format": "int64"
+            }
+          }
+        },
+        "Tags": {
+          "description": "Tags and message totals per tag",
+          "type": "object",
+          "additionalProperties": {
+            "type": "integer",
+            "format": "int64"
+          }
+        },
+        "Unread": {
+          "description": "Total number of messages in the database",
+          "type": "integer",
+          "format": "int64"
+        },
         "Version": {
           "description": "Current Mailpit version",
           "type": "string"
         }
       },
-      "x-go-name": "appInformation",
-      "x-go-package": "github.com/axllent/mailpit/server/apiv1"
+      "x-go-package": "github.com/axllent/mailpit/internal/stats"
     },
     "Attachment": {
       "description": "Attachment struct for inline and attachments",
@@ -1251,6 +1336,54 @@
       },
       "x-go-package": "github.com/axllent/mailpit/server/apiv1"
     },
+    "Rule": {
+      "description": "Rule struct",
+      "type": "object",
+      "properties": {
+        "Description": {
+          "description": "SpamAssassin rule description",
+          "type": "string"
+        },
+        "Name": {
+          "description": "SpamAssassin rule name",
+          "type": "string"
+        },
+        "Score": {
+          "description": "Spam rule score",
+          "type": "number",
+          "format": "double"
+        }
+      },
+      "x-go-package": "github.com/axllent/mailpit/internal/spamassassin"
+    },
+    "SpamAssassinResponse": {
+      "description": "Result is a SpamAssassin result",
+      "type": "object",
+      "properties": {
+        "Error": {
+          "description": "If populated will return an error string",
+          "type": "string"
+        },
+        "IsSpam": {
+          "description": "Whether the message is spam or not",
+          "type": "boolean"
+        },
+        "Rules": {
+          "description": "Spam rules triggered",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Rule"
+          }
+        },
+        "Score": {
+          "description": "Total spam score based on triggered rules",
+          "type": "number",
+          "format": "double"
+        }
+      },
+      "x-go-name": "Result",
+      "x-go-package": "github.com/axllent/mailpit/internal/spamassassin"
+    },
     "WebUIConfiguration": {
       "description": "Response includes global web UI settings",
       "type": "object",
@@ -1280,6 +1413,10 @@
               "type": "string"
             }
           }
+        },
+        "SpamAssassin": {
+          "description": "Whether SpamAssassin is enabled",
+          "type": "boolean"
         }
       },
       "x-go-name": "webUIConfiguration",

server/webhook/webhook.go

@@ -41,13 +41,13 @@ func Send(msg interface{}) {
 		rl.Do(func() {
 			b, err := json.Marshal(msg)
 			if err != nil {
-				logger.Log().Errorf("[webhook] invalid data: %s", err)
+				logger.Log().Errorf("[webhook] invalid data: %s", err.Error())
 				return
 			}
 
 			req, err := http.NewRequest("POST", config.WebhookURL, bytes.NewBuffer(b))
 			if err != nil {
-				logger.Log().Errorf("[webhook] error: %s", err)
+				logger.Log().Errorf("[webhook] error: %s", err.Error())
 				return
 			}
 
@@ -57,12 +57,12 @@ func Send(msg interface{}) {
 			client := &http.Client{}
 			resp, err := client.Do(req)
 			if err != nil {
-				logger.Log().Errorf("[webhook] error sending data: %s", err)
+				logger.Log().Errorf("[webhook] error sending data: %s", err.Error())
 				return
 			}
 
 			if resp.StatusCode < 200 || resp.StatusCode > 299 {
-				logger.Log().Warningf("[webhook] %s returned a %d status", config.WebhookURL, resp.StatusCode)
+				logger.Log().Warnf("[webhook] %s returned a %d status", config.WebhookURL, resp.StatusCode)
 				return
 			}
 

server/websockets/client.go

@@ -63,7 +63,7 @@ func (c *Client) readPump() {
 		_, _, err := c.conn.NextReader()
 		if err != nil {
 			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
-				logger.Log().Errorf("[websocket] error: %v", err)
+				logger.Log().Errorf("[websocket] error: %v", err.Error())
 			}
 			break
 		}
@@ -132,7 +132,7 @@ func ServeWs(hub *Hub, w http.ResponseWriter, r *http.Request) {
 
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
-		logger.Log().Error(err)
+		logger.Log().Errorf("[websocket] %s", err.Error())
 		return
 	}
 

server/websockets/hub.go

@@ -79,7 +79,7 @@ func Broadcast(t string, msg interface{}) {
 	b, err := json.Marshal(w)
 
 	if err != nil {
-		logger.Log().Errorf("[websocket] broadcast received invalid data: %s", err)
+		logger.Log().Errorf("[websocket] broadcast received invalid data: %s", err.Error())
 		return
 	}