Merge branch 'release/v1.21.0'

* UI: Make multiple tag selection work on macOS

* UI: Allow click+meta key combination to select messages in list

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

@@ -14,7 +14,7 @@ jobs:
         with:
           days-before-issue-stale: 7
           days-before-issue-close: 3
-          exempt-issue-labels: "enhancement,bug,javascript,docker"
+          exempt-issue-labels: "enhancement,bug,awaiting feedback"
           stale-issue-label: "stale"
           stale-issue-message: "This issue has been marked as stale because it has been open for 7 days with no activity."
           close-issue-message: "This issue was closed because there has been no activity since being marked as stale."

.github/workflows/tests.yml

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

CHANGELOG.md

@@ -2,6 +2,126 @@
 
 Notable changes to Mailpit will be documented in this file.
 
+## [v1.21.0]
+
+### Feature
+- Experimental Unix socket support for HTTPD & SMTPD ([#373](https://github.com/axllent/mailpit/issues/373))
+
+### Fix
+- Allow multiple item selection on macOS with Cmd-click  ([#378](https://github.com/axllent/mailpit/issues/378))
+
+
+## [v1.20.7]
+
+### Chore
+- Update caniemail database
+
+### Fix
+- SQL error deleting a tag while using tenant-id ([#374](https://github.com/axllent/mailpit/issues/374))
+
+### Testing
+- Add tenantIDs to tests
+
+
+## [v1.20.6]
+
+### Chore
+- Bump Go compile version to 1.23
+- Update node modules
+- Update swagger file tests
+- Code cleanup
+- Update Go dependencies
+- Update minimum Go version (1.22.0)
+- Update node dependencies
+
+
+## [v1.20.5]
+
+### Chore
+- Update node modules
+- Use consistent margins for Mailpit label if set
+- Improve tag detection in UI
+- Improve link detection in the HTML preview
+
+### Fix
+- Use correct parameter order in SpamAssassin socket detection ([#364](https://github.com/axllent/mailpit/issues/364))
+
+
+## [v1.20.4]
+
+### Chore
+- Update Go modules
+- Update node modules
+- Upgrade vue-css-donut-chart & related charts
+
+### Fix
+- Relax URL detection in link check tool ([#357](https://github.com/axllent/mailpit/issues/357))
+
+
+## [v1.20.3]
+
+### Chore
+- Update caniemail database
+- Update node dependencies
+- Update Go dependencies
+- Do not recenter selected messages in sidebar on every new message
+
+### Fix
+- Disable automatic HTML/Text character detection when charset is provided ([#348](https://github.com/axllent/mailpit/issues/348))
+
+
+## [v1.20.2]
+
+### Feature
+- Web UI notifications of smtpd & POP3 errors ([#347](https://github.com/axllent/mailpit/issues/347))
+
+### Chore
+- Update Go dependencies
+- Update node dependencies
+- Add debug database storage logging
+- Add smtpd server logging in the CLI ([#347](https://github.com/axllent/mailpit/issues/347))
+
+
+## [v1.20.1]
+
+### Chore
+- Shift inbox pagination to inbox component
+- Live load up to 100 new messages in sidebar ([#336](https://github.com/axllent/mailpit/issues/336))
+- Show icon attachment in new side navigation message listing ([#345](https://github.com/axllent/mailpit/issues/345))
+
+### Fix
+- Correctly decode X-Tags message headers (RFC 2047) ([#344](https://github.com/axllent/mailpit/issues/344))
+
+
+## [v1.20.0]
+
+### Feature
+- Add option to control message retention by age ([#338](https://github.com/axllent/mailpit/issues/338))
+- **UI:** List messages in side nav when viewing message for easy navigation ([#336](https://github.com/axllent/mailpit/issues/336))
+
+### Chore
+- Update caniemail database
+- Update Go dependencies
+- Update node dependencies
+- Make internal tagging methods private
+
+### Fix
+- Prevent potential JavaScript errors caused by race condition
+- Better regexp to detect tags in search
+- Prevent Vue race condition to initialize dayjs relativeTime plugin
+- **API:** Return `text/plain` header for message delete request
+
+
+## [v1.19.3]
+
+### Chore
+- Update Go dependencies
+- Display nicer noscript message when JavaScript is disabled
+
+### Fix
+- **Security:** Prevent bypass of Contend Security Policy using stored XSS, and sanitize preview HTML data (DOMPurify)
+
+
 ## [v1.19.2]
 
 ### Chore

SECURITY.md

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

cmd/ingest.go

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

cmd/root.go

@@ -85,6 +85,7 @@ func init() {
 	rootCmd.Flags().StringVar(&config.Label, "label", config.Label, "Optional label identify this Mailpit instance")
 	rootCmd.Flags().StringVar(&config.TenantID, "tenant-id", config.TenantID, "Database tenant ID to isolate data")
 	rootCmd.Flags().IntVarP(&config.MaxMessages, "max", "m", config.MaxMessages, "Max number of messages to store")
+	rootCmd.Flags().StringVar(&config.MaxAge, "max-age", config.MaxAge, "Max age of messages in either (h)ours or (d)ays (eg: 3d)")
 	rootCmd.Flags().BoolVar(&config.UseMessageDates, "use-message-dates", config.UseMessageDates, "Use message dates as the received dates")
 	rootCmd.Flags().BoolVar(&config.IgnoreDuplicateIDs, "ignore-duplicate-ids", config.IgnoreDuplicateIDs, "Ignore duplicate messages (by Message-Id)")
 	rootCmd.Flags().StringVar(&logger.LogFile, "log-file", logger.LogFile, "Log output to file instead of stdout")
@@ -179,6 +180,9 @@ func initConfigFromEnv() {
 	if len(os.Getenv("MP_MAX_MESSAGES")) > 0 {
 		config.MaxMessages, _ = strconv.Atoi(os.Getenv("MP_MAX_MESSAGES"))
 	}
+	if len(os.Getenv("MP_MAX_AGE")) > 0 {
+		config.MaxAge = os.Getenv("MP_MAX_AGE")
+	}
 	if getEnabledFromEnv("MP_USE_MESSAGE_DATES") {
 		config.UseMessageDates = true
 	}
@@ -301,6 +305,9 @@ func initConfigFromEnv() {
 	if len(os.Getenv("MP_WEBHOOK_LIMIT")) > 0 {
 		webhook.RateLimit, _ = strconv.Atoi(os.Getenv("MP_WEBHOOK_LIMIT"))
 	}
+
+	// Demo mode
+	config.DemoMode = getEnabledFromEnv("MP_DEMO_MODE")
 }
 
 // load deprecated settings from environment and warn

config/config.go

@@ -10,6 +10,7 @@ import (
 	"path"
 	"path/filepath"
 	"regexp"
+	"strconv"
 	"strings"
 
 	"github.com/axllent/mailpit/internal/auth"
@@ -31,15 +32,22 @@ var (
 
 	// TenantID is an optional prefix to be applied to all database tables,
 	// allowing multiple isolated instances of Mailpit to share a database.
-	TenantID = ""
+	TenantID string
 
 	// Label to identify this Mailpit instance (optional).
 	// This gets applied to web UI, SMTP and optional POP3 server.
-	Label = ""
+	Label string
 
 	// MaxMessages is the maximum number of messages a mailbox can have (auto-pruned every minute)
 	MaxMessages = 500
 
+	// MaxAge is the maximum age of messages (auto-pruned every hour).
+	// Value can be either <int>h for hours or <int>d for days
+	MaxAge string
+
+	// MaxAgeInHours is the maximum age of messages in hours, set with parseMaxAge() using MaxAge value
+	MaxAgeInHours int
+
 	// UseMessageDates sets the Created date using the message date, not the delivered date
 	UseMessageDates bool
 
@@ -170,6 +178,9 @@ var (
 
 	// DisableHTMLCheck DEPRECATED 2024/04/13 - kept here to display console warning only
 	DisableHTMLCheck = false
+
+	// DemoMode disables SMTP relay, link checking & HTTP send functionality
+	DemoMode = false
 )
 
 // AutoTag struct for auto-tagging
@@ -205,6 +216,9 @@ func VerifyConfig() error {
 		cssFontRestriction = "'self'"
 	}
 
+	// The default Content Security Policy is updates on every application page load to replace script-src 'self'
+	// with a random nonce ID to prevent XSS. This applies to the Mailpit app & API.
+	// See server.middleWareFunc()
 	ContentSecurityPolicy = fmt.Sprintf("default-src 'self'; script-src 'self'; style-src %s 'unsafe-inline'; frame-src 'self'; img-src * data: blob:; font-src %s data:; media-src 'self'; connect-src 'self' ws: wss:; object-src 'none'; base-uri 'self';",
 		cssFontRestriction, cssFontRestriction,
 	)
@@ -215,21 +229,20 @@ func VerifyConfig() error {
 
 	Label = tools.Normalize(Label)
 
-	TenantID = tools.Normalize(TenantID)
+	if err := parseMaxAge(); err != nil {
+		return err
+	}
+
+	TenantID = DBTenantID(TenantID)
 	if TenantID != "" {
 		logger.Log().Infof("[db] using tenant \"%s\"", TenantID)
-		re := regexp.MustCompile(`[^a-zA-Z0-9\_]`)
-		TenantID = re.ReplaceAllString(TenantID, "_")
-		if !strings.HasSuffix(TenantID, "_") {
-			TenantID = TenantID + "_"
-		}
 	}
 
 	re := regexp.MustCompile(`.*:\d+$`)
-	if !re.MatchString(SMTPListen) {
+	if _, _, isSocket := tools.UnixSocket(SMTPListen); !isSocket && !re.MatchString(SMTPListen) {
 		return errors.New("[smtp] bind should be in the format of <ip>:<port>")
 	}
-	if !re.MatchString(HTTPListen) {
+	if _, _, isSocket := tools.UnixSocket(HTTPListen); !isSocket && !re.MatchString(HTTPListen) {
 		return errors.New("[ui] HTTP bind should be in the format of <ip>:<port>")
 	}
 
@@ -452,6 +465,45 @@ func VerifyConfig() error {
 		logger.Log().Warnf("[relay] auto-relaying all new messages via %s:%d", SMTPRelayConfig.Host, SMTPRelayConfig.Port)
 	}
 
+	if DemoMode {
+		MaxMessages = 1000
+		// this deserves a warning
+		logger.Log().Info("demo mode enabled")
+	}
+
+	return nil
+}
+
+// Parse the --max-age value (if set)
+func parseMaxAge() error {
+	if MaxAge == "" {
+		return nil
+	}
+
+	re := regexp.MustCompile(`^\d+(h|d)$`)
+	if !re.MatchString(MaxAge) {
+		return fmt.Errorf("max-age must be either <int>h for hours or <int>d for days: %s", MaxAge)
+	}
+
+	if strings.HasSuffix(MaxAge, "h") {
+		hours, err := strconv.Atoi(strings.TrimSuffix(MaxAge, "h"))
+		if err != nil {
+			return err
+		}
+
+		MaxAgeInHours = hours
+
+		return nil
+	}
+
+	days, err := strconv.Atoi(strings.TrimSuffix(MaxAge, "d"))
+	if err != nil {
+		return err
+	}
+
+	logger.Log().Debugf("[db] auto-deleting messages older than %s", MaxAge)
+
+	MaxAgeInHours = days * 24
 	return nil
 }
 
@@ -575,3 +627,17 @@ func isValidURL(s string) bool {
 
 	return strings.HasPrefix(u.Scheme, "http")
 }
+
+// DBTenantID converts a tenant ID to a DB-friendly value if set
+func DBTenantID(s string) string {
+	s = tools.Normalize(s)
+	if s != "" {
+		re := regexp.MustCompile(`[^a-zA-Z0-9\_]`)
+		s = re.ReplaceAllString(s, "_")
+		if !strings.HasSuffix(s, "_") {
+			s = s + "_"
+		}
+	}
+
+	return s
+}

go.mod

@@ -1,34 +1,33 @@
 module github.com/axllent/mailpit
 
-go 1.21.0
+go 1.23
 
-toolchain go1.22.1
+toolchain go1.23.2
 
 require (
-	github.com/PuerkitoBio/goquery v1.9.2
+	github.com/PuerkitoBio/goquery v1.10.0
 	github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de
 	github.com/axllent/semver v0.0.1
-	github.com/gomarkdown/markdown v0.0.0-20240626202925-2eda941fd024
+	github.com/gomarkdown/markdown v0.0.0-20240930133441-72d49d9543d8
 	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.3
-	github.com/jhillyerd/enmime v1.2.0
-	github.com/klauspost/compress v1.17.9
+	github.com/jhillyerd/enmime v1.3.0
+	github.com/klauspost/compress v1.17.11
 	github.com/kovidgoyal/imaging v1.6.3
 	github.com/leporo/sqlf v1.4.0
 	github.com/lithammer/shortuuid/v4 v4.0.0
-	github.com/mhale/smtpd v0.8.3
-	github.com/reiver/go-telnet v0.0.0-20180421082511-9ff0b2ab096e
-	github.com/rqlite/gorqlite v0.0.0-20240227123050-397b03f02418
+	github.com/mneis/go-telnet v0.0.0-20221017141824-6f643e477c62
+	github.com/rqlite/gorqlite v0.0.0-20241013203532-4385768ae85d
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.5
 	github.com/tg123/go-htpasswd v1.2.2
-	github.com/vanng822/go-premailer v1.21.0
-	golang.org/x/net v0.27.0
-	golang.org/x/text v0.16.0
-	golang.org/x/time v0.5.0
+	github.com/vanng822/go-premailer v1.22.0
+	golang.org/x/net v0.30.0
+	golang.org/x/text v0.19.0
+	golang.org/x/time v0.7.0
 	gopkg.in/yaml.v3 v3.0.1
-	modernc.org/sqlite v1.30.2
+	modernc.org/sqlite v1.33.1
 )
 
 require (
@@ -44,7 +43,7 @@ require (
 	github.com/jaytaylor/html2text v0.0.0-20230321000545-74c2419ad056 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
@@ -54,12 +53,13 @@ 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 v0.25.0 // indirect
-	golang.org/x/image v0.18.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/crypto v0.28.0 // indirect
+	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c // indirect
+	golang.org/x/image v0.21.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	modernc.org/gc/v3 v3.0.0-20240304020402-f0dba7c97c2b // indirect
-	modernc.org/libc v1.55.3 // indirect
+	modernc.org/gc/v3 v3.0.0-20241004144649-1aea3fae8852 // indirect
+	modernc.org/libc v1.61.0 // indirect
 	modernc.org/mathutil v1.6.0 // indirect
 	modernc.org/memory v1.8.0 // indirect
 	modernc.org/strutil v1.2.0 // indirect

go.sum

@@ -1,8 +1,8 @@
 github.com/GehirnInc/crypt v0.0.0-20230320061759-8cc1b52080c5 h1:IEjq88XO4PuBDcvmjQJcQGg+w+UaafSy8G5Kcb5tBhI=
 github.com/GehirnInc/crypt v0.0.0-20230320061759-8cc1b52080c5/go.mod h1:exZ0C/1emQJAw5tHOaUDyY1ycttqBAPcxuzf7QbY6ec=
-github.com/PuerkitoBio/goquery v1.9.1/go.mod h1:cW1n6TmIMDoORQU5IU/P1T3tGFunOeXEpGP2WHRwkbY=
-github.com/PuerkitoBio/goquery v1.9.2 h1:4/wZksC3KgkQw7SQgkKotmKljk0M6V8TUvA8Wb4yPeE=
 github.com/PuerkitoBio/goquery v1.9.2/go.mod h1:GHPCaP0ODyyxqcNoFGYlAprUFH81NuRPd0GX3Zu2Mvk=
+github.com/PuerkitoBio/goquery v1.10.0 h1:6fiXdLuUvYs2OJSvNRqlNPoBm6YABE226xrbavY5Wv4=
+github.com/PuerkitoBio/goquery v1.10.0/go.mod h1:TjZZl68Q3eGHNBA8CWaxAN7rOU1EbDz3CWuolcO5Yu4=
 github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss=
 github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU=
 github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de h1:FxWPpzIjnTlhPwqqXc4/vE0f7GvRjuAsbW+HOIe8KnA=
@@ -18,13 +18,14 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM=
+github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/go-test/deep v1.1.0 h1:WOcxcdHcvdgThNXjw0t76K42FXTU7HpNQWHpA2HHNlg=
 github.com/go-test/deep v1.1.0/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f h1:3BSP1Tbs2djlpprl7wCLuiqMaUh5SJkkzI2gDs+FgLs=
 github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f/go.mod h1:Pcatq5tYkCW2Q6yrR2VRHlbHpZ/R4/7qyL1TCF7vl14=
-github.com/gomarkdown/markdown v0.0.0-20240626202925-2eda941fd024 h1:saBP362Qm7zDdDXqv61kI4rzhmLFq3Z1gx34xpl6cWE=
-github.com/gomarkdown/markdown v0.0.0-20240626202925-2eda941fd024/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
+github.com/gomarkdown/markdown v0.0.0-20240930133441-72d49d9543d8 h1:4txT5G2kqVAKMjzidIabL/8KqjIK71yj30YOeuxLn10=
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@@ -42,10 +43,10 @@ github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2
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@@ -63,12 +64,12 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
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@@ -79,8 +80,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
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@@ -89,8 +88,8 @@ github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
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@@ -104,88 +103,117 @@ github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf/go.mod h1:RJID2RhlZKId02n
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 golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 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 v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
-golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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 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=
 golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
-golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
+golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
+golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
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 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
-golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
-golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
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 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
+golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
 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=
@@ -197,16 +225,16 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 modernc.org/cc/v4 v4.21.4 h1:3Be/Rdo1fpr8GrQ7IVw9OHtplU4gWbb+wNgeoBMmGLQ=
 modernc.org/cc/v4 v4.21.4/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
-modernc.org/ccgo/v4 v4.19.2 h1:lwQZgvboKD0jBwdaeVCTouxhxAyN6iawF3STraAal8Y=
-modernc.org/ccgo/v4 v4.19.2/go.mod h1:ysS3mxiMV38XGRTTcgo0DQTeTmAO4oCmJl1nX9VFI3s=
+modernc.org/ccgo/v4 v4.21.0 h1:kKPI3dF7RIag8YcToh5ZwDcVMIv6VGa0ED5cvh0LMW4=
+modernc.org/ccgo/v4 v4.21.0/go.mod h1:h6kt6H/A2+ew/3MW/p6KEoQmrq/i3pr0J/SiwiaF/g0=
 modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
 modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
-modernc.org/gc/v2 v2.4.1 h1:9cNzOqPyMJBvrUipmynX0ZohMhcxPtMccYgGOJdOiBw=
-modernc.org/gc/v2 v2.4.1/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU=
-modernc.org/gc/v3 v3.0.0-20240304020402-f0dba7c97c2b h1:BnN1t+pb1cy61zbvSUV7SeI0PwosMhlAEi/vBY4qxp8=
-modernc.org/gc/v3 v3.0.0-20240304020402-f0dba7c97c2b/go.mod h1:Qz0X07sNOR1jWYCrJMEnbW/X55x206Q7Vt4mz6/wHp4=
-modernc.org/libc v1.55.3 h1:AzcW1mhlPNrRtjS5sS+eW2ISCgSOLLNyFzRh/V3Qj/U=
-modernc.org/libc v1.55.3/go.mod h1:qFXepLhz+JjFThQ4kzwzOjA/y/artDeg+pcYnY+Q83w=
+modernc.org/gc/v2 v2.5.0 h1:bJ9ChznK1L1mUtAQtxi0wi5AtAs5jQuw4PrPHO5pb6M=
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+modernc.org/gc/v3 v3.0.0-20241004144649-1aea3fae8852 h1:IYXPPTTjjoSHvUClZIYexDiO7g+4x+XveKT4gCIAwiY=
+modernc.org/gc/v3 v3.0.0-20241004144649-1aea3fae8852/go.mod h1:Qz0X07sNOR1jWYCrJMEnbW/X55x206Q7Vt4mz6/wHp4=
+modernc.org/libc v1.61.0 h1:eGFcvWpqlnoGwzZeZe3PWJkkKbM/3SUGyk1DVZQ0TpE=
+modernc.org/libc v1.61.0/go.mod h1:DvxVX89wtGTu+r72MLGhygpfi3aUGgZRdAYGCAVVud0=
 modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
 modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
 modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E=
@@ -215,8 +243,8 @@ modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
 modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
 modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc=
 modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
-modernc.org/sqlite v1.30.2 h1:IPVVkhLu5mMVnS1dQgh3h0SAACRWcVk7aoLP9Us3UCk=
-modernc.org/sqlite v1.30.2/go.mod h1:DUmsiWQDaAvU4abhc/N+djlom/L2o8f7gZ95RCvyoLU=
+modernc.org/sqlite v1.33.1 h1:trb6Z3YYoeM9eDL1O8do81kP+0ejv+YzgyFo+Gwy0nM=
+modernc.org/sqlite v1.33.1/go.mod h1:pXV2xHxhzXZsgT/RtTFAPY6JJDEvOTcTdwADQCCWD4k=
 modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
 modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=

internal/html2text/html2text.go

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

internal/htmlcheck/caniemail-data.json

@@ -1,6 +1,6 @@
 {
 	"api_version":"1.0.4",
-	"last_update_date":"2024-05-30 19:50:57 +0000",
+	"last_update_date":"2024-10-09 08:12:03 +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":[
 		{
@@ -691,6 +691,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-comments",
+			"title":"CSS comments",
+			"description":"Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet",
+			"url":"https://www.caniemail.com/features/css-comments/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-04-25",
+			"test_url":"https://www.caniemail.com/tests/css-comments.html",
+			"test_results_url":"https://testi.at/proj/n4ayign05k6cozot6",
+			"stats":{"apple-mail":{"macos":{"2024-04":"y"},"ios":{"2024-04":"y"}},"gmail":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"a #2"},"mobile-webmail":{"2024-04":"a #4"}},"orange":{"desktop-webmail":{"2024-08":"n #6"},"ios":{"2024-08":"n #6"},"android":{"2024-08":"n #6"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-04":"y"},"macos":{"2024-04":"y"},"outlook-com":{"2024-04":"y","2024-01":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"yahoo":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"a #1"},"android":{"2024-04":"a #1"}},"aol":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"a #1"},"android":{"2024-04":"a #1"}},"samsung-email":{"android":{"2024-04":"y"}},"sfr":{"desktop-webmail":{"2024-08":"a #5"},"ios":{"2024-08":"a #5"},"android":{"2024-08":"a #5"}},"thunderbird":{"macos":{"2024-04":"y"}},"protonmail":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"hey":{"desktop-webmail":{"2024-04":"u"}},"mail-ru":{"desktop-webmail":{"2024-04":"a #3"}},"fastmail":{"desktop-webmail":{"2024-04":"u"}},"laposte":{"desktop-webmail":{"2024-08":"a #5"}},"gmx":{"desktop-webmail":{"2024-04":"n"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"web-de":{"desktop-webmail":{"2024-04":"n"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-04":"u"},"android":{"2024-04":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. The first <head> in the HTML is removed, so comment needs to be in the `<style>` tag of a second `<head>` element.","2":"Partial. `<style>` tag not supported with non-google account. Comment inside `style:` attribute works.","3":"Partial. Comment inside `<style>` tag works. Comment inside `style` attribute strips the whole attribute.","4":"Partial. `<style>` tag not supported. Comment inside `style:` attribute works.","5":"Partial. Comment inside `style` attribute works.","6":"Not supported. The entire rule is removed within a `<style> element. The entire inline `style` attribute is removed."}
+		},
+	
 		{
 			"slug":"css-conic-gradient",
 			"title":"conic-gradient()",
@@ -787,6 +803,22 @@
 			"notes_by_num":{"1":"Partial. `flex`, `grid`, `flow-root`, `contents`, `inline flow-root`, `inline flex`, `inline grid`, `initial`, `revert`, `unset` are not supported with non Google accounts.","2":"Partial. `inline-flex`, `inline-grid`, `flex`, `grid`, `flow-root`, `contents`, `inline flow-root`, `inline flex`, `inline grid`, `initial`, `revert`, `unset` values are not supported.","3":"Buggy. Only the first value is kept with the two-value syntax.","4":"Buggy. `display:none` does not inherit to inner tables.","5":"Partial. Only supports `display:none` (but not on `<img>`).","6":"Partial. `flow-root`, `inline-flex`, `inline-grid`, `inline flow`, `contents`, `revert` are not supported.","7":"Partial. Two-value syntax are combined into a single one with a dash."}
 		},
 	
+		{
+			"slug":"css-empty-cells",
+			"title":"empty-cells",
+			"description":"Sets whether borders and backgrounds appear around `<table>` cells that have no visible content.",
+			"url":"https://www.caniemail.com/features/css-empty-cells/",
+			"category":"css",
+			"tags":[],
+			"keywords":"blank",
+			"last_test_date":"2024-08-23",
+			"test_url":"https://www.caniemail.com/tests/css-empty-cells.html",
+			"test_results_url":"https://testi.at/proj/kgl7t57xs8jxueze0v8",
+			"stats":{"apple-mail":{"macos":{"2024-08":"y"},"ios":{"2024-08":"y"}},"gmail":{"desktop-webmail":{"2024-08":"y"},"ios":{"2024-08":"y"},"android":{"2024-08":"y"},"mobile-webmail":{"2024-08":"u"}},"orange":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-08":"n"},"macos":{"2024-08":"y"},"outlook-com":{"2024-08":"y"},"ios":{"2024-08":"y"},"android":{"2024-08":"y"}},"yahoo":{"desktop-webmail":{"2024-08":"y"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"aol":{"desktop-webmail":{"2024-08":"y"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"samsung-email":{"android":{"2024-08":"y"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"hey":{"desktop-webmail":{"2024-08":"u"}},"mail-ru":{"desktop-webmail":{"2024-08":"n"}},"fastmail":{"desktop-webmail":{"2024-08":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-filter",
 			"title":"filter",
@@ -843,12 +875,12 @@
 			"category":"css",
 			"tags":[],
 			"keywords":null,
-			"last_test_date":"2019-02-28",
+			"last_test_date":"2024-05-08",
 			"test_url":"https://www.caniemail.com/tests/css-box-model.html",
-			"test_results_url":"https://app.emailonacid.com/app/acidtest/pyPQFHSYLFrhbRShalju0B2fYNwUgLuyKTLx4MLqiw5mE/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.1":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n #1","2010":"n #1","2013":"n #1","2016":"n #1","2019":"n #1"},"windows-mail":{"2019-02":"n #1"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"n","2023-01":"y"}},"aol":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
+			"test_results_url":"https://testi.at/proj/gyjkc98dtyzxfd3bhz",
+			"stats":{"apple-mail":{"macos":{"11.7":"a #2","12.4":"y"},"ios":{"14":"a #2","15":"y"}},"gmail":{"desktop-webmail":{"2019-02":"y"},"ios":{"2019-02":"y","2024-05":"a #2"},"android":{"2019-02":"y","2024-05":"a #2"},"mobile-webmail":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2019-08":"y","2021-03":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"outlook":{"windows":{"2007":"n #1","2010":"n #1","2013":"n #1","2016":"n #1","2019":"n #1"},"windows-mail":{"2019-02":"n #1"},"macos":{"2019-02":"y","16.80":"y"},"outlook-com":{"2019-02":"y"},"ios":{"2019-02":"y"},"android":{"2019-02":"y"}},"yahoo":{"desktop-webmail":{"2019-02":"y","2024-05":"a #2"},"ios":{"2019-02":"y","2024-05":"a #2"},"android":{"2019-02":"n","2023-01":"y","2024-05":"a #2"}},"aol":{"desktop-webmail":{"2019-02":"y","2024-05":"a #2"},"ios":{"2019-02":"y","2024-05":"a #2"},"android":{"2019-02":"y","2024-05":"a #2"}},"samsung-email":{"android":{"5.0.10.2":"y"}},"sfr":{"desktop-webmail":{"2019-08":"y"},"ios":{"2019-08":"y"},"android":{"2019-08":"y"}},"thunderbird":{"macos":{"60.5":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y","2024-05":"a #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y","2024-05":"a #2"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
-			"notes_by_num":{"1":"Not supported. `table` and `img` elements can use an `align` attribute to get a similar effect."}
+			"notes_by_num":{"1":"Not supported. `table` and `img` elements can use an `align` attribute to get a similar effect.","2":"Partial. Logical property values `inline-start` and `inline-end` are not supported."}
 		},
 	
 		{
@@ -947,6 +979,22 @@
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts."}
 		},
 	
+		{
+			"slug":"css-function-light-dark",
+			"title":"light-dark()",
+			"description":"Enables setting two colors (one for light and the other for dark mode) for a property.",
+			"url":"https://www.caniemail.com/features/css-function-light-dark/",
+			"category":"css",
+			"tags":[],
+			"keywords":"dark, light",
+			"last_test_date":"2024-08-14",
+			"test_url":"https://www.caniemail.com/tests/css-function-light-dark.html",
+			"test_results_url":"https://app.emailonacid.com/app/acidtest/Lai13xyIE95H6jo1BBs6ay0f3RvJdPL344S3j3M7FbeU4/list",
+			"stats":{"apple-mail":{"macos":{"16.0":"y #1"},"ios":{"17.5.1":"y"}},"gmail":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"},"mobile-webmail":{"2024-08":"n"}},"orange":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2024-08":"n"},"macos":{"16.88":"n"},"outlook-com":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"samsung-email":{"android":{"6.0":"u"}},"sfr":{"desktop-webmail":{"2024-08":"a #2"},"ios":{"2024-08":"a #1 #2"},"android":{"2024-08":"u"}},"thunderbird":{"macos":{"115.10.1":"n","128.1.0":"y"}},"aol":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"yahoo":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"u"}},"protonmail":{"desktop-webmail":{"2024-08":"a #2"},"ios":{"2024-08":"y #1"},"android":{"2024-08":"u"}},"hey":{"desktop-webmail":{"2024-08":"a #2"}},"mail-ru":{"desktop-webmail":{"2024-08":"a #2"}},"fastmail":{"desktop-webmail":{"2024-08":"u"}},"laposte":{"desktop-webmail":{"2024-08":"a #2"}},"free-fr":{"desktop-webmail":{"2024-08":"n"}},"t-online-de":{"desktop-webmail":{"2024-08":"a #2"}},"gmx":{"desktop-webmail":{"2024-08":"n"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Only supported if you’ve updated your OS with Safari 17.5 or later.","2":"Buggy. The function is supported but the color stays light even in dark mode."}
+		},
+	
 		{
 			"slug":"css-function-max",
 			"title":"max()",
@@ -1027,6 +1075,38 @@
 			"notes_by_num":{"1":"Buggy. Replaces `height` by `min-height`.","2":"Partial. Not supported on `<body>`, `<span>`, `<div>` or `<p>` elements."}
 		},
 	
+		{
+			"slug":"css-hyphenate-character",
+			"title":"hyphenate-character",
+			"description":"Sets the character (or string) used at the end of a line before a hyphenation break.",
+			"url":"https://www.caniemail.com/features/css-hyphenate-character/",
+			"category":"css",
+			"tags":[],
+			"keywords":"hyphens, break",
+			"last_test_date":"2024-06-19",
+			"test_url":"https://www.caniemail.com/tests/css-hyphenate-character.html",
+			"test_results_url":"https://testi.at/proj/vr3e1e5bikda08oxc2",
+			"stats":{"apple-mail":{"macos":{"20":"n","21":"n","22":"n","23":"y"},"ios":{"11":"n","12":"n","13":"n","14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"},"mobile-webmail":{"2024-06":"n"}},"orange":{"desktop-webmail":{"2024-06":"u"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-06":"n"},"macos":{"2024-06":"n"},"outlook-com":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"}},"yahoo":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"}},"aol":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"n"},"android":{"2024-06":"n"}},"samsung-email":{"android":{"2024-06":"y"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-06":"u"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"hey":{"desktop-webmail":{"2024-06":"u"}},"mail-ru":{"desktop-webmail":{"2024-06":"a #1"}},"fastmail":{"desktop-webmail":{"2024-06":"u"}},"laposte":{"desktop-webmail":{"2024-06":"u"}},"gmx":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"web-de":{"desktop-webmail":{"2024-06":"n"},"ios":{"2024-06":"u"},"android":{"2024-06":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-06":"u"},"android":{"2024-06":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. Does not support encoded character values"}
+		},
+	
+		{
+			"slug":"css-hyphenate-limit-chars",
+			"title":"hyphenate-limit-chars",
+			"description":"Specifies the minimum word length to allow hyphenation of words as well as the minimum number of characters before and after the hyphen.",
+			"url":"https://www.caniemail.com/features/css-hyphenate-limit-chars/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-08-08",
+			"test_url":"https://www.caniemail.com/tests/css-hyphenate-limit-chars.html",
+			"test_results_url":"https://testi.at/proj/kgljcojhdyrfdv5s2",
+			"stats":{"apple-mail":{"macos":{"2024-08":"n"},"ios":{"2024-08":"n"}},"gmail":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"},"mobile-webmail":{"2024-08":"n"}},"orange":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-08":"n"},"macos":{"2024-08":"n"},"outlook-com":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"yahoo":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"aol":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"n"},"android":{"2024-08":"n"}},"samsung-email":{"android":{"2024-08":"n"}},"sfr":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"thunderbird":{"macos":{"2024-08":"n"}},"protonmail":{"desktop-webmail":{"2024-08":"u"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"hey":{"desktop-webmail":{"2024-08":"u"}},"mail-ru":{"desktop-webmail":{"2024-08":"y"}},"fastmail":{"desktop-webmail":{"2024-08":"u"}},"laposte":{"desktop-webmail":{"2024-08":"u"}},"gmx":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"web-de":{"desktop-webmail":{"2024-08":"n"},"ios":{"2024-08":"u"},"android":{"2024-08":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-08":"u"},"android":{"2024-08":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-hyphens",
 			"title":"hyphens",
@@ -1075,6 +1155,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-inset",
+			"title":"inset",
+			"description":"Shorthand that corresponds to the `top`, `right`, `bottom`, and/or `left` properties",
+			"url":"https://www.caniemail.com/features/css-inset/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-29",
+			"test_url":"https://www.caniemail.com/tests/css-inset.html",
+			"test_results_url":"https://testi.at/proj/rlpdia3k18jytjx8c2",
+			"stats":{"apple-mail":{"macos":{"10.15":"n","11.7":"y"},"ios":{"14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"},"mobile-webmail":{"2020-02":"n"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"n"},"outlook-com":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"n"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"thunderbird":{"macos":{"2024-05":"y"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"n"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-intrinsic-size",
 			"title":"fit-content, min-content, max-content",
@@ -1310,7 +1406,7 @@
 			"last_test_date":"2019-10-01",
 			"test_url":"https://www.caniemail.com/tests/css-margin.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/UmR6V6XenYY9bQiABuLGZRRrdP3fj2ZraiJjEyi4WKBho/list",
-			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.4":"y"}},"gmail":{"desktop-webmail":{"2019-10":"a #1"},"ios":{"2019-10":"a #1"},"android":{"2019-10":"a #1"},"mobile-webmail":{"2020-02":"a #1"}},"orange":{"desktop-webmail":{"2019-10":"y","2021-03":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"outlook":{"windows":{"2003":"y","2007":"a #1 #2 #3 #4","2010":"a #1 #2 #3 #4","2013":"a #1 #2 #3 #4","2016":"a #1 #2 #3 #4","2019":"a #1 #2 #3 #4"},"windows-mail":{"2019-10":"a #1 #2 #3"},"macos":{"2011":"y","2016":"y","16.80":"a #1"},"outlook-com":{"2019-10":"a #1","2023-12":"a #1"},"ios":{"2.51.1":"y","4.3.1":"a #1"},"android":{"2019-10":"a #1"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"yahoo":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"a #1"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
+			"stats":{"apple-mail":{"macos":{"12.4":"y"},"ios":{"12.4":"y"}},"gmail":{"desktop-webmail":{"2019-10":"a #1"},"ios":{"2019-10":"a #1"},"android":{"2019-10":"a #1"},"mobile-webmail":{"2020-02":"a #1"}},"orange":{"desktop-webmail":{"2019-10":"y","2021-03":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"outlook":{"windows":{"2003":"y","2007":"a #1 #2 #3 #4","2010":"a #1 #2 #3 #4","2013":"a #1 #2 #3 #4","2016":"a #1 #2 #3 #4","2019":"a #1 #2 #3 #4"},"windows-mail":{"2019-10":"a #1 #2 #3"},"macos":{"2011":"y","2016":"y","16.80":"a #1"},"outlook-com":{"2019-10":"a #1","2023-12":"a #1"},"ios":{"2.51.1":"y","4.3.1":"a #1"},"android":{"2019-10":"a #1"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-10":"y"},"ios":{"2019-10":"y"},"android":{"2019-10":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2019-10":"y","2024-10":"a #1"},"ios":{"2019-10":"y","2024-10":"a #1"},"android":{"2019-10":"y","2024-10":"a #1"}},"yahoo":{"desktop-webmail":{"2019-10":"y","2024-10":"a #1"},"ios":{"2019-10":"y","2024-10":"a #1"},"android":{"2019-10":"y","2024-10":"a #1"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"a #1"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"web-de":{"desktop-webmail":{"2022-06":"y"},"ios":{"2022-06":"y"},"android":{"2022-06":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-06":"y"},"android":{"2022-06":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partial. Negative values are not supported.","2":"Partial. Not supported on `<span>` and `<body>` elements.","3":"Buggy. `background-color` is included inside the `margin`.","4":"Partial. `auto` value is not supported."}
 		},
@@ -1347,6 +1443,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-max-inline-size",
+			"title":"max-inline-size",
+			"description":"Defines the horizontal or vertical maximum size of an element's block, depending on its writing mode",
+			"url":"https://www.caniemail.com/features/css-max-inline-size/",
+			"category":"css",
+			"tags":[],
+			"keywords":"max, inline, size",
+			"last_test_date":"2024-05-31",
+			"test_url":"https://www.caniemail.com/tests/css-max-inline-size.html",
+			"test_results_url":"https://testi.at/proj/8r8g0dn81y8jc72z09",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"},"mobile-webmail":{"2024-05":"n"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"n"},"outlook-com":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-max-width",
 			"title":"max-width",
@@ -1363,6 +1475,22 @@
 			"notes_by_num":{"1":"Partial. Only works on `<table>` elements.","2":"Partial. Doesn't work on `<table>` elements, as per [CSS 2.1 specification](https://www.w3.org/TR/CSS2/visudet.html#min-max-widths)."}
 		},
 	
+		{
+			"slug":"css-min-block-size",
+			"title":"min-block-size",
+			"description":"Defines the minimum horizontal or vertical size of an element's block, depending on its writing mode",
+			"url":"https://www.caniemail.com/features/css-min-block-size/",
+			"category":"css",
+			"tags":[],
+			"keywords":"min, block, size",
+			"last_test_date":"2024-05-31",
+			"test_url":"https://www.caniemail.com/tests/css-min-block-size.html",
+			"test_results_url":"https://testi.at/proj/73yg05zgtpk3cez6ua5",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"},"mobile-webmail":{"2024-05":"n"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"n"},"outlook-com":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"css-min-height",
 			"title":"min-height property",
@@ -1390,7 +1518,7 @@
 			"last_test_date":"2022-08-30",
 			"test_url":"https://www.caniemail.com/tests/css-min-inline-size.html",
 			"test_results_url":"https://testi.at/proj/6m0cx5puENPh8pLi9rpSPzJSB",
-			"stats":{"apple-mail":{"macos":{"16":"y","17":"y","18":"y","19":"y","20":"y","21":"y"},"ios":{"11":"y","12":"y","13":"y","14":"y","15":"y"}},"gmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-08":"n"},"mobile-webmail":{"2022-07":"u"}},"orange":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-07":"n"},"macos":{"2022-07":"y","16.80":"n"},"outlook-com":{"2022-07":"n","2024-01":"n"},"ios":{"2022-07":"y"},"android":{"2022-07":"n"}},"yahoo":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"aol":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"samsung-email":{"android":{"2022-07":"y"}},"sfr":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"protonmail":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"hey":{"desktop-webmail":{"2022-07":"u"}},"mail-ru":{"desktop-webmail":{"2022-07":"y"}},"fastmail":{"desktop-webmail":{"2022-07":"u"}}},
+			"stats":{"apple-mail":{"macos":{"16":"y","17":"y","18":"y","19":"y","20":"y","21":"y"},"ios":{"11":"y","12":"y","13":"y","14":"y","15":"y"}},"gmail":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-08":"n"},"mobile-webmail":{"2022-07":"n"}},"orange":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2022-07":"n"},"macos":{"2022-07":"y","16.80":"n"},"outlook-com":{"2022-07":"n","2024-01":"n"},"ios":{"2022-07":"y"},"android":{"2022-07":"n"}},"yahoo":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"n"},"android":{"2022-07":"n"}},"aol":{"desktop-webmail":{"2022-07":"n"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"samsung-email":{"android":{"2022-07":"y"}},"sfr":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"protonmail":{"desktop-webmail":{"2022-07":"u"},"ios":{"2022-07":"u"},"android":{"2022-07":"u"}},"hey":{"desktop-webmail":{"2022-07":"u"}},"mail-ru":{"desktop-webmail":{"2022-07":"y"}},"fastmail":{"desktop-webmail":{"2022-07":"u"}}},
 			"notes":null,
 			"notes_by_num":null
 		},
@@ -1507,6 +1635,22 @@
 			"notes_by_num":null
 		},
 	
+		{
+			"slug":"css-orphans",
+			"title":"orphans",
+			"description":"Sets the minimum number of lines in a block container split on an old page, region or column.",
+			"url":"https://www.caniemail.com/features/css-orphans/",
+			"category":"css",
+			"tags":[],
+			"keywords":"columns",
+			"last_test_date":"2024-06-13",
+			"test_url":"https://www.caniemail.com/tests/css-widows.html",
+			"test_results_url":"https://testi.at/proj/6vd8udzx1b5l1vrnsr",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n #4"},"ios":{"2024-05":"n"},"android":{"2024-05":"n #3"},"mobile-webmail":{"2024-05":"n #1 #2"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y #4"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. `columns` property is stripped which is required for `orphans` to work","2":"Buggy. `orphans` property value is replaced by `auto`","3":"Not supported, but Gmail's default styles on the email message container includes the `orphans` property. These values are inherited by children elements","4":"Webmail rendering depends on browser support"}
+		},
+	
 		{
 			"slug":"css-outline-offset",
 			"title":"outline-offset",
@@ -2579,6 +2723,22 @@
 			"notes_by_num":{"1":"Partial. Negative values are not supported.","2":"Partial. Hard-coded negative values are not supported, but negative values as a result of the `calc()` function are supported."}
 		},
 	
+		{
+			"slug":"css-text-justify",
+			"title":"text-justify",
+			"description":"Sets what type of justification should be applied to text when `text-align: justify;` is set on an element.",
+			"url":"https://www.caniemail.com/features/css-text-justify/",
+			"category":"css",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-04-17",
+			"test_url":"https://www.caniemail.com/tests/css-text-justify.html",
+			"test_results_url":"https://testi.at/proj/z7b61px4fel2ivk9sb2",
+			"stats":{"apple-mail":{"macos":{"2024-04":"n #1"},"ios":{"2024-04":"n #1"}},"gmail":{"desktop-webmail":{"2024-04":"a #2"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"},"mobile-webmail":{"2024-04":"a #2"}},"orange":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"outlook":{"windows":{"2013":"a #3","2016":"a #3","2019":"a #3","2021":"a #3"},"windows-mail":{"2024-04":"n #5"},"macos":{"2024-04":"n #1"},"outlook-com":{"2024-04":"a #2"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"}},"yahoo":{"desktop-webmail":{"2024-04":"a #2 #4"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"}},"aol":{"desktop-webmail":{"2024-04":"n #2 #4"},"ios":{"2024-04":"n #1"},"android":{"2024-04":"n #1"}},"samsung-email":{"android":{"2024-04":"n #1"}},"sfr":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"thunderbird":{"macos":{"2024-04":"u"}},"protonmail":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"hey":{"desktop-webmail":{"2024-04":"u"}},"mail-ru":{"desktop-webmail":{"2024-04":"a #2"}},"fastmail":{"desktop-webmail":{"2024-04":"u"}},"laposte":{"desktop-webmail":{"2024-04":"u"}},"gmx":{"desktop-webmail":{"2024-04":"a #2"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"web-de":{"desktop-webmail":{"2024-04":"n #1"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-04":"u"},"android":{"2024-04":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. `text-justify` is stripped","2":"Partial. Depends on browser support","3":"Partial. `text-justify` is stripped except when the value is `inter-character`","4":"Partial. `text-justify` is stripped except when the value is `inter-word` or `distribute`","5":"Buggy. `text-justify` values `none`, `inter-word` and `distribute` are replaced with `inter-ideograph`"}
+		},
+	
 		{
 			"slug":"css-text-orientation",
 			"title":"text-orientation",
@@ -2990,9 +3150,9 @@
 			"last_test_date":"2020-02-25",
 			"test_url":"https://www.caniemail.com/tests/css-units.html",
 			"test_results_url":"",
-			"stats":{"apple-mail":{"macos":{"13":"y"},"ios":{"13":"y"}},"gmail":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"},"mobile-webmail":{"2020-02":"y"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-02":"n"},"macos":{"2016":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"n","2024-04":"n"},"ios":{"2020-02":"y","2024-04":"n"},"android":{"2020-02":"y","2024-04":"n"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"web-de":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-08":"y"},"android":{"2022-08":"y"}}},
+			"stats":{"apple-mail":{"macos":{"13":"y"},"ios":{"13":"y"}},"gmail":{"desktop-webmail":{"2020-02":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"},"mobile-webmail":{"2020-02":"y"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-02":"n"},"macos":{"2016":"y","16.80":"y"},"outlook-com":{"2020-02":"y #1","2024-01":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y #1"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"n","2024-04":"n"},"ios":{"2020-02":"y","2024-04":"n"},"android":{"2020-02":"y","2024-04":"n"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"y #1"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"web-de":{"desktop-webmail":{"2022-08":"n"},"ios":{"2022-08":"y"},"android":{"2022-08":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-08":"y"},"android":{"2022-08":"y"}}},
 			"notes":"",
-			"notes_by_num":{}
+			"notes_by_num":{"1":"The HTML of the email message is embedded directly on the webmail (not in an <iframe>) and may not fill the full viewport's width. In this case, the vw values are relevant to the viewport (browser window) not the email message."}
 		},
 	
 		{
@@ -3059,6 +3219,22 @@
 			"notes_by_num":{"1":"Buggy. `visibility:collapse` applied to a `<tr>` only hides content and does not \"remove\" it from layout.","2":"Partially supported. `visibility:collapse` is not supported."}
 		},
 	
+		{
+			"slug":"css-white-space-collapse",
+			"title":"white-space-collapse",
+			"description":"Controls how white space inside an element is collapsed.",
+			"url":"https://www.caniemail.com/features/css-white-space-collapse/",
+			"category":"css",
+			"tags":[],
+			"keywords":"break, space, collapse, hide",
+			"last_test_date":"2024-09-04",
+			"test_url":"https://www.caniemail.com/tests/css-white-space-collapse.html",
+			"test_results_url":"https://testi.at/proj/e6y4s3zytp5kty7kcg",
+			"stats":{"apple-mail":{"macos":{"10":"n","11":"n","12":"n","13":"n","14":"y #1"},"ios":{"15":"y #1"}},"gmail":{"desktop-webmail":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"},"mobile-webmail":{"2024-09":"n"}},"orange":{"desktop-webmail":{"2024-09":"u"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-09":"n"},"macos":{"2024-09":"n"},"outlook-com":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"}},"yahoo":{"desktop-webmail":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"}},"aol":{"desktop-webmail":{"2024-09":"n"},"ios":{"2024-09":"n"},"android":{"2024-09":"n"}},"samsung-email":{"android":{"2024-09":"y #1"}},"sfr":{"desktop-webmail":{"2024-03":"u"},"ios":{"2024-03":"u"},"android":{"2024-03":"u"}},"protonmail":{"desktop-webmail":{"2024-09":"u"},"ios":{"2024-09":"u"},"android":{"2024-09":"u"}},"hey":{"desktop-webmail":{"2024-09":"u"}},"mail-ru":{"desktop-webmail":{"2024-09":"y #1"}},"fastmail":{"desktop-webmail":{"2024-09":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Partial. `preserve-spaces` value works only on Firefox."}
+		},
+	
 		{
 			"slug":"css-white-space",
 			"title":"white-space",
@@ -3075,6 +3251,22 @@
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts.","2":"Partial. `pre` value is not supported."}
 		},
 	
+		{
+			"slug":"css-widows",
+			"title":"widows",
+			"description":"Sets the minimum number of lines in a block container split on a new page, region or column.",
+			"url":"https://www.caniemail.com/features/css-widows/",
+			"category":"css",
+			"tags":[],
+			"keywords":"columns",
+			"last_test_date":"2024-05-03",
+			"test_url":"https://www.caniemail.com/tests/css-widows.html",
+			"test_results_url":"https://testi.at/proj/6vd8udzx1b5l1vrnsr",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"n #4"},"ios":{"2024-05":"n"},"android":{"2024-05":"n #3"},"mobile-webmail":{"2024-05":"n #1 #2"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"n","2016":"n","2019":"n","2021":"n"},"windows-mail":{"2024-05":"n"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"aol":{"desktop-webmail":{"2024-05":"n"},"ios":{"2024-05":"n"},"android":{"2024-05":"n"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y #4"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2021-08":"u"}},"gmx":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"n #1 #4"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":{"1":"Buggy. `columns` property is stripped which is required for `widows` to work","2":"Buggy. `widows` property value is replaced by `auto`","3":"Not supported, but Gmail's default styles on the email message container includes the `widows` property. These values are inherited by children elements","4":"Webmail rendering depends on browser support"}
+		},
+	
 		{
 			"slug":"css-width",
 			"title":"width property",
@@ -3443,6 +3635,38 @@
 			"notes_by_num":{"1":"Partial. Not supported with non Google accounts.","2":"Partial. The element is present but is not interactive."}
 		},
 	
+		{
+			"slug":"html-cellpadding",
+			"title":"cellpadding attribute",
+			"description":"Represents the padding around the individual cells of the table",
+			"url":"https://www.caniemail.com/features/html-cellpadding/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-01",
+			"test_url":"https://www.caniemail.com/tests/html-cellspacing.html",
+			"test_results_url":"https://testi.at/proj/rlpatnzxf3eyce9oc3",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"},"mobile-webmail":{"2024-05":"y"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-05":"y"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y","2024-01":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"aol":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"thunderbird":{"macos":{"2024-05":"y"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2024-05":"u"}},"gmx":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
+		{
+			"slug":"html-cellspacing",
+			"title":"cellspacing attribute",
+			"description":"Represents the spacing around the individual `<th>` and `<td>` elements",
+			"url":"https://www.caniemail.com/features/html-cellspacing/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-01",
+			"test_url":"https://www.caniemail.com/tests/html-cellspacing.html",
+			"test_results_url":"https://testi.at/proj/rlpatnzxf3eyce9oc3",
+			"stats":{"apple-mail":{"macos":{"2024-05":"y"},"ios":{"2024-05":"y"}},"gmail":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"},"mobile-webmail":{"2024-05":"y"}},"orange":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-05":"y"},"macos":{"2024-05":"y"},"outlook-com":{"2024-05":"y","2024-01":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"yahoo":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"aol":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"y"},"android":{"2024-05":"y"}},"samsung-email":{"android":{"2024-05":"y"}},"sfr":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"thunderbird":{"macos":{"2024-05":"y"}},"protonmail":{"desktop-webmail":{"2024-05":"u"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"hey":{"desktop-webmail":{"2024-05":"u"}},"mail-ru":{"desktop-webmail":{"2024-05":"y"}},"fastmail":{"desktop-webmail":{"2024-05":"u"}},"laposte":{"desktop-webmail":{"2024-05":"u"}},"gmx":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"web-de":{"desktop-webmail":{"2024-05":"y"},"ios":{"2024-05":"u"},"android":{"2024-05":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-05":"u"},"android":{"2024-05":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-code",
 			"title":"<code> element",
@@ -3459,6 +3683,22 @@
 			"notes_by_num":{"1":"Not supported. The tags are removed but the content is kept."}
 		},
 	
+		{
+			"slug":"html-comments",
+			"title":"HTML comments",
+			"description":"Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet",
+			"url":"https://www.caniemail.com/features/html-comments/",
+			"category":"html",
+			"tags":[],
+			"keywords":null,
+			"last_test_date":"2024-05-1",
+			"test_url":"https://www.caniemail.com/tests/css-comments.html",
+			"test_results_url":"https://testi.at/proj/n4ayign05k6cozot6",
+			"stats":{"apple-mail":{"macos":{"2024-04":"y"},"ios":{"2024-04":"y"}},"gmail":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"},"mobile-webmail":{"2024-04":"y"}},"orange":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"outlook":{"windows":{"2013":"y","2016":"y","2019":"y","2021":"y"},"windows-mail":{"2024-04":"y"},"macos":{"2024-04":"y"},"outlook-com":{"2024-04":"y","2024-01":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"yahoo":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"aol":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"y"},"android":{"2024-04":"y"}},"samsung-email":{"android":{"2024-04":"y"}},"sfr":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"thunderbird":{"macos":{"2024-04":"y"}},"protonmail":{"desktop-webmail":{"2024-04":"u"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"hey":{"desktop-webmail":{"2024-04":"u"}},"mail-ru":{"desktop-webmail":{"2024-04":"y"}},"fastmail":{"desktop-webmail":{"2024-04":"u"}},"laposte":{"desktop-webmail":{"2024-04":"u"}},"gmx":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"web-de":{"desktop-webmail":{"2024-04":"y"},"ios":{"2024-04":"u"},"android":{"2024-04":"u"}},"ionos-1and1":{"desktop-webmail":{"2024-04":"u"},"android":{"2024-04":"u"}}},
+			"notes":null,
+			"notes_by_num":null
+		},
+	
 		{
 			"slug":"html-del",
 			"title":"<del> element",
@@ -3931,12 +4171,12 @@
 			"category":"html",
 			"tags":["accessibility","performance"],
 			"keywords":"picture, responsive image",
-			"last_test_date":"2019-05-29",
+			"last_test_date":"2024-04-15",
 			"test_url":"https://www.caniemail.com/tests/html-picture.html",
-			"test_results_url":"https://app.emailonacid.com/app/acidtest/AQoLHTLaC6F6JcMrkx38M7oyiJlAlXeRnJgkK06bSJiBR/list",
-			"stats":{"apple-mail":{"macos":{"10.3":"y"},"ios":{"10.3":"y","12.2":"y"}},"gmail":{"desktop-webmail":{"2019-05":"n #1"},"ios":{"2019-05":"n #1"},"android":{"2019-05":"n #1"},"mobile-webmail":{"2020-02":"n #1"}},"orange":{"desktop-webmail":{"2019-05":"y","2021-03":"n","2024-04":"n"},"ios":{"2019-05":"y","2024-04":"n"},"android":{"2019-05":"y","2024-04":"n"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-01":"n"},"macos":{"2011":"y","2016":"y","16.62":"n","16.80":"n"},"outlook-com":{"2019-05":"n","2024-01":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-05":"y"},"ios":{"2019-05":"y"},"android":{"2019-05":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"yahoo":{"desktop-webmail":{"2019-05":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"protonmail":{"desktop-webmail":{"2020-03":"n"},"ios":{"2020-03":"n"},"android":{"2020-03":"n"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"web-de":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-11":"n"},"android":{"2022-11":"n"}}},
+			"test_results_url":"https://testi.at/proj/vr32cxxk1exntxrjfdp",
+			"stats":{"apple-mail":{"macos":{"10.3":"y","10.15":"a #2","11.7":"a #2","12.7":"a #2","13.6":"a #2","14.4":"a #2"},"ios":{"10.3":"y","12.2":"y"}},"gmail":{"desktop-webmail":{"2019-05":"n #1"},"ios":{"2019-05":"n #1"},"android":{"2019-05":"n #1"},"mobile-webmail":{"2020-02":"n #1"}},"orange":{"desktop-webmail":{"2019-05":"y","2021-03":"n","2024-04":"n"},"ios":{"2019-05":"y","2024-04":"n"},"android":{"2019-05":"y","2024-04":"n"}},"outlook":{"windows":{"2003":"n","2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-01":"n"},"macos":{"2011":"y","2016":"y","16.62":"n","16.80":"n"},"outlook-com":{"2019-05":"n","2024-01":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"samsung-email":{"android":{"6.0":"y"}},"sfr":{"desktop-webmail":{"2019-05":"y"},"ios":{"2019-05":"y"},"android":{"2019-05":"y"}},"thunderbird":{"macos":{"60.3":"y"}},"aol":{"desktop-webmail":{"2020-01":"n"},"ios":{"2020-01":"n"},"android":{"2020-01":"n"}},"yahoo":{"desktop-webmail":{"2019-05":"n"},"ios":{"2019-05":"n"},"android":{"2019-05":"n"}},"protonmail":{"desktop-webmail":{"2020-03":"n"},"ios":{"2020-03":"n"},"android":{"2020-03":"n"}},"hey":{"desktop-webmail":{"2020-06":"n"}},"mail-ru":{"desktop-webmail":{"2020-10":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"n"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"web-de":{"desktop-webmail":{"2022-11":"n"},"ios":{"2022-11":"y"},"android":{"2022-11":"n"}},"ionos-1and1":{"desktop-webmail":{"2022-11":"n"},"android":{"2022-11":"n"}}},
 			"notes":"",
-			"notes_by_num":{"1":"`<picture>` and `<source>` tags are replaced by `<u></u>` tags."}
+			"notes_by_num":{"1":"`<picture>` and `<source>` tags are replaced by `<u></u>` tags.","2":"`<picture>` tag is stripped in some cases (like having too few content or no background-color)."}
 		},
 	
 		{
@@ -4510,7 +4750,7 @@
 			"last_test_date":"2023-01-15",
 			"test_url":"https://www.caniemail.com/tests/images.html",
 			"test_results_url":"https://app.emailonacid.com/app/acidtest/xm1T5nQ1MKtHpVSJidhagmt3Z53CjqbkMhorlvuM0Gz57/list",
-			"stats":{"apple-mail":{"macos":{"13":"n","14":"y"},"ios":{"13":"n","14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2020-02":"n","2023-01":"n"},"ios":{"2020-02":"a #1","2023-01":"a #1"},"android":{"2020-02":"a #1","2023-01":"a #1"},"mobile-webmail":{"2020-02":"n","2023-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"n"},"windows-mail":{"2020-02":"y"},"macos":{"2016":"n","13.1":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"n","2023-01":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"n","2023-01":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"web-de":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-09":"y"},"android":{"2022-09":"y"}}},
+			"stats":{"apple-mail":{"macos":{"13":"n","14":"y"},"ios":{"13":"n","14":"n","15":"y"}},"gmail":{"desktop-webmail":{"2020-02":"n","2023-01":"n","2024-07":"n"},"ios":{"2020-02":"a #1","2023-01":"a #1"},"android":{"2020-02":"a #1","2023-01":"a #1"},"mobile-webmail":{"2020-02":"n","2023-01":"n"}},"outlook":{"windows":{"2007":"n","2010":"n","2013":"n","2016":"n","2019":"y"},"windows-mail":{"2020-02":"y"},"macos":{"2016":"n","13.1":"y","16.80":"y"},"outlook-com":{"2020-02":"y","2024-01":"y"},"ios":{"2020-02":"n","2023-01":"y"},"android":{"2020-02":"y"}},"samsung-email":{"android":{"9.0":"y"}},"thunderbird":{"windows":{"2020-02":"y"},"macos":{"68.4":"y"}},"aol":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"yahoo":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"orange":{"desktop-webmail":{"2020-02":"y","2021-03":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"sfr":{"desktop-webmail":{"2020-02":"y"},"ios":{"2020-02":"y"},"android":{"2020-02":"y"}},"protonmail":{"desktop-webmail":{"2020-03":"y"},"ios":{"2020-03":"y"},"android":{"2020-03":"y"}},"hey":{"desktop-webmail":{"2020-06":"y"}},"mail-ru":{"desktop-webmail":{"2020-10":"n","2023-01":"n"}},"fastmail":{"desktop-webmail":{"2021-07":"y"}},"laposte":{"desktop-webmail":{"2021-08":"y"}},"gmx":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"web-de":{"desktop-webmail":{"2022-09":"y"},"ios":{"2022-09":"y"},"android":{"2022-09":"y"}},"ionos-1and1":{"desktop-webmail":{"2022-09":"y"},"android":{"2022-09":"y"}}},
 			"notes":null,
 			"notes_by_num":{"1":"Partially supported. Only works with non Google accounts."}
 		},

internal/linkcheck/linkcheck_test.go

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

internal/linkcheck/main.go

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

internal/pop3client/client.go

@@ -30,14 +30,17 @@ type Conn struct {
 
 // Opt represents the client configuration.
 type Opt struct {
+	// Host name
 	Host string `json:"host"`
-	Port int    `json:"port"`
-
-	// Default is 3 seconds.
+	// Port number
+	Port int `json:"port"`
+	// DialTimeout default is 3 seconds.
 	DialTimeout time.Duration `json:"dial_timeout"`
-	Dialer      Dialer        `json:"-"`
-
-	TLSEnabled    bool `json:"tls_enabled"`
+	// Dialer
+	Dialer Dialer `json:"-"`
+	// TLSEnabled sets whether SLS is enabled
+	TLSEnabled bool `json:"tls_enabled"`
+	// TLSSkipVerify skips TLS verification (ie: self-signed)
 	TLSSkipVerify bool `json:"tls_skip_verify"`
 }
 
@@ -49,16 +52,15 @@ type Dialer interface {
 // MessageID contains the ID and size of an individual message.
 type MessageID struct {
 	// ID is the numerical index (non-unique) of the message.
-	ID   int
+	ID int
+	// Size in bytes
 	Size int
-
 	// UID is only present if the response is to the UIDL command.
 	UID string
 }
 
 var (
-	lineBreak = []byte("\r\n")
-
+	lineBreak   = []byte("\r\n")
 	respOK      = []byte("+OK")   // `+OK` without additional info
 	respOKInfo  = []byte("+OK ")  // `+OK <info>`
 	respErr     = []byte("-ERR")  // `-ERR` without additional info
@@ -126,6 +128,7 @@ func (c *Conn) Send(b string) error {
 	if _, err := c.w.WriteString(b + "\r\n"); err != nil {
 		return err
 	}
+
 	return c.w.Flush()
 }
 
@@ -223,12 +226,14 @@ func (c *Conn) Auth(user, password string) error {
 // User sends the username to the server.
 func (c *Conn) User(s string) error {
 	_, err := c.Cmd("USER", false, s)
+
 	return err
 }
 
 // Pass sends the password to the server.
 func (c *Conn) Pass(s string) error {
 	_, err := c.Cmd("PASS", false, s)
+
 	return err
 }
 

internal/spamassassin/spamassassin.go

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

internal/spamassassin/spamc/spamc.go

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

internal/storage/cron.go

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

internal/storage/database.go

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

internal/storage/messages.go

@@ -27,8 +27,10 @@ import (
 // Store will save an email to the database tables.
 // Returns the database ID of the saved message.
 func Store(body *[]byte) (string, error) {
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
 	// Parse message body with enmime
-	env, err := enmime.ReadEnvelope(bytes.NewReader(*body))
+	env, err := parser.ReadEnvelope(bytes.NewReader(*body))
 	if err != nil {
 		logger.Log().Warnf("[message] %s", err.Error())
 		return "", nil
@@ -50,7 +52,7 @@ func Store(body *[]byte) (string, error) {
 		ReplyTo: addressToSlice(env, "Reply-To"),
 	}
 
-	messageID := strings.Trim(env.Root.Header.Get("Message-ID"), "<>")
+	messageID := strings.Trim(env.GetHeader("Message-ID"), "<>")
 	created := time.Now()
 
 	// use message date instead of created date
@@ -116,7 +118,7 @@ func Store(body *[]byte) (string, error) {
 	tags := findTagsInRawMessage(body)
 
 	if !config.TagsDisableXTags {
-		xTagsHdr := env.Root.Header.Get("X-Tags")
+		xTagsHdr := env.GetHeader("X-Tags")
 		if xTagsHdr != "" {
 			// extract tags from X-Tags header
 			tags = append(tags, tools.SetTagCasing(strings.Split(strings.TrimSpace(xTagsHdr), ","))...)
@@ -160,12 +162,14 @@ func Store(body *[]byte) (string, error) {
 
 	BroadcastMailboxStats()
 
+	logger.Log().Debugf("[db] saved message %s (%d bytes)", id, int64(size))
+
 	return id, nil
 }
 
 // List returns a subset of messages from the mailbox,
 // sorted latest to oldest
-func List(start, limit int) ([]MessageSummary, error) {
+func List(start int, beforeTS int64, limit int) ([]MessageSummary, error) {
 	results := []MessageSummary{}
 	tsStart := time.Now()
 
@@ -175,6 +179,10 @@ func List(start, limit int) ([]MessageSummary, error) {
 		Limit(limit).
 		Offset(start)
 
+	if beforeTS > 0 {
+		q = q.Where("Created < ?", beforeTS)
+	}
+
 	if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
 		var created float64
 		var id string
@@ -239,7 +247,9 @@ func GetMessage(id string) (*Message, error) {
 
 	r := bytes.NewReader(raw)
 
-	env, err := enmime.ReadEnvelope(r)
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
+	env, err := parser.ReadEnvelope(r)
 	if err != nil {
 		return nil, err
 	}
@@ -390,7 +400,9 @@ func GetAttachmentPart(id, partID string) (*enmime.Part, error) {
 
 	r := bytes.NewReader(raw)
 
-	env, err := enmime.ReadEnvelope(r)
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
+	env, err := parser.ReadEnvelope(r)
 	if err != nil {
 		return nil, err
 	}
@@ -418,6 +430,21 @@ func GetAttachmentPart(id, partID string) (*enmime.Part, error) {
 	return nil, errors.New("attachment not found")
 }
 
+// AttachmentSummary returns a summary of the attachment without any binary data
+func AttachmentSummary(a *enmime.Part) Attachment {
+	o := Attachment{}
+	o.PartID = a.PartID
+	o.FileName = a.FileName
+	if o.FileName == "" {
+		o.FileName = a.ContentID
+	}
+	o.ContentType = a.ContentType
+	o.ContentID = a.ContentID
+	o.Size = float64(len(a.Content))
+
+	return o
+}
+
 // LatestID returns the latest message ID
 //
 // If a query argument is set in the request the function will return the
@@ -428,12 +455,12 @@ func LatestID(r *http.Request) (string, error) {
 
 	search := strings.TrimSpace(r.URL.Query().Get("query"))
 	if search != "" {
-		messages, _, err = Search(search, r.URL.Query().Get("tz"), 0, 1)
+		messages, _, err = Search(search, r.URL.Query().Get("tz"), 0, 0, 1)
 		if err != nil {
 			return "", err
 		}
 	} else {
-		messages, err = List(0, 1)
+		messages, err = List(0, 0, 1)
 		if err != nil {
 			return "", err
 		}
@@ -462,6 +489,13 @@ func MarkRead(id string) error {
 
 	BroadcastMailboxStats()
 
+	d := struct {
+		ID   string
+		Read bool
+	}{ID: id, Read: true}
+
+	websockets.Broadcast("update", d)
+
 	return err
 }
 
@@ -534,6 +568,13 @@ func MarkUnread(id string) error {
 
 	BroadcastMailboxStats()
 
+	d := struct {
+		ID   string
+		Read bool
+	}{ID: id, Read: false}
+
+	websockets.Broadcast("update", d)
+
 	return err
 }
 
@@ -621,6 +662,15 @@ func DeleteMessages(ids []string) error {
 
 	BroadcastMailboxStats()
 
+	// broadcast individual message deletions
+	for _, id := range toDelete {
+		d := struct {
+			ID string
+		}{ID: id}
+
+		websockets.Broadcast("delete", d)
+	}
+
 	return nil
 }
 
@@ -671,8 +721,9 @@ func DeleteAllMessages() error {
 
 	logMessagesDeleted(total)
 
-	websockets.Broadcast("prune", nil)
 	BroadcastMailboxStats()
 
+	websockets.Broadcast("truncate", nil)
+
 	return err
 }

internal/storage/messages_test.go

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

internal/storage/reindex.go

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

internal/storage/search.go

@@ -18,7 +18,7 @@ import (
 // The search is broken up by segments (exact phrases can be quoted), and interprets specific terms such as:
 // is:read, is:unread, has:attachment, to:<term>, from:<term> & subject:<term>
 // Negative searches also also included by prefixing the search term with a `-` or `!`
-func Search(search, timezone string, start, limit int) ([]MessageSummary, int, error) {
+func Search(search, timezone string, start int, beforeTS int64, limit int) ([]MessageSummary, int, error) {
 	results := []MessageSummary{}
 	allResults := []MessageSummary{}
 	tsStart := time.Now()
@@ -28,6 +28,11 @@ func Search(search, timezone string, start, limit int) ([]MessageSummary, int, e
 	}
 
 	q := searchQueryBuilder(search, timezone)
+
+	if beforeTS > 0 {
+		q = q.Where(`Created < ?`, beforeTS)
+	}
+
 	var err error
 
 	if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
@@ -193,6 +198,7 @@ func DeleteSearch(search, timezone string) error {
 		}
 
 		dbLastAction = time.Now()
+
 		addDeletedSize(int64(deleteSize))
 
 		logMessagesDeleted(total)

internal/storage/search_test.go

@@ -6,133 +6,154 @@ import (
 	"math/rand"
 	"testing"
 
+	"github.com/axllent/mailpit/config"
 	"github.com/jhillyerd/enmime"
 )
 
 func TestSearch(t *testing.T) {
-	setup()
-	defer Close()
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
 
-	t.Log("Testing search")
-	for i := 0; i < testRuns; i++ {
-		msg := enmime.Builder().
-			From(fmt.Sprintf("From %d", i), fmt.Sprintf("from-%d@example.com", i)).
-			CC(fmt.Sprintf("CC %d", i), fmt.Sprintf("cc-%d@example.com", i)).
-			CC(fmt.Sprintf("CC2 %d", i), fmt.Sprintf("cc2-%d@example.com", i)).
-			Subject(fmt.Sprintf("Subject line %d end", i)).
-			Text([]byte(fmt.Sprintf("This is the email body %d <jdsauk;dwqmdqw;>.", i))).
-			To(fmt.Sprintf("To %d", i), fmt.Sprintf("to-%d@example.com", i)).
-			To(fmt.Sprintf("To2 %d", i), fmt.Sprintf("to2-%d@example.com", i)).
-			ReplyTo(fmt.Sprintf("Reply To %d", i), fmt.Sprintf("reply-to-%d@example.com", i))
+		setup(tenantID)
 
-		env, err := msg.Build()
+		if tenantID == "" {
+			t.Log("Testing search")
+		} else {
+			t.Logf("Testing search (tenant %s)", tenantID)
+		}
+
+		for i := 0; i < testRuns; i++ {
+			msg := enmime.Builder().
+				From(fmt.Sprintf("From %d", i), fmt.Sprintf("from-%d@example.com", i)).
+				CC(fmt.Sprintf("CC %d", i), fmt.Sprintf("cc-%d@example.com", i)).
+				CC(fmt.Sprintf("CC2 %d", i), fmt.Sprintf("cc2-%d@example.com", i)).
+				Subject(fmt.Sprintf("Subject line %d end", i)).
+				Text([]byte(fmt.Sprintf("This is the email body %d <jdsauk;dwqmdqw;>.", i))).
+				To(fmt.Sprintf("To %d", i), fmt.Sprintf("to-%d@example.com", i)).
+				To(fmt.Sprintf("To2 %d", i), fmt.Sprintf("to2-%d@example.com", i)).
+				ReplyTo(fmt.Sprintf("Reply To %d", i), fmt.Sprintf("reply-to-%d@example.com", i))
+
+			env, err := msg.Build()
+			if err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			buf := new(bytes.Buffer)
+
+			if err := env.Encode(buf); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			bufBytes := buf.Bytes()
+
+			if _, err := Store(&bufBytes); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+		}
+
+		for i := 1; i < 51; i++ {
+			// search a random something that will return a single result
+			uniqueSearches := []string{
+				fmt.Sprintf("from-%d@example.com", i),
+				fmt.Sprintf("from:from-%d@example.com", i),
+				fmt.Sprintf("to-%d@example.com", i),
+				fmt.Sprintf("to:to-%d@example.com", i),
+				fmt.Sprintf("to2-%d@example.com", i),
+				fmt.Sprintf("to:to2-%d@example.com", i),
+				fmt.Sprintf("cc-%d@example.com", i),
+				fmt.Sprintf("cc:cc-%d@example.com", i),
+				fmt.Sprintf("cc2-%d@example.com", i),
+				fmt.Sprintf("cc:cc2-%d@example.com", i),
+				fmt.Sprintf("reply-to-%d@example.com", i),
+				fmt.Sprintf("reply-to:\"reply-to-%d@example.com\"", i),
+				fmt.Sprintf("\"Subject line %d end\"", i),
+				fmt.Sprintf("subject:\"Subject line %d end\"", i),
+				fmt.Sprintf("\"the email body %d jdsauk dwqmdqw\"", i),
+			}
+			searchIdx := rand.Intn(len(uniqueSearches))
+
+			search := uniqueSearches[searchIdx]
+
+			summaries, _, err := Search(search, "", 0, 0, 100)
+			if err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+
+			assertEqual(t, len(summaries), 1, "search result expected")
+
+			assertEqual(t, summaries[0].From.Name, fmt.Sprintf("From %d", i), "\"From\" name does not match")
+			assertEqual(t, summaries[0].From.Address, fmt.Sprintf("from-%d@example.com", i), "\"From\" address does not match")
+			assertEqual(t, summaries[0].To[0].Name, fmt.Sprintf("To %d", i), "\"To\" name does not match")
+			assertEqual(t, summaries[0].To[0].Address, fmt.Sprintf("to-%d@example.com", i), "\"To\" address does not match")
+			assertEqual(t, summaries[0].Subject, fmt.Sprintf("Subject line %d end", i), "\"Subject\" does not match")
+		}
+
+		// search something that will return 200 results
+		summaries, _, err := Search("This is the email body", "", 0, 0, testRuns)
 		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
+		assertEqual(t, len(summaries), testRuns, "search results expected")
 
-		buf := new(bytes.Buffer)
-
-		if err := env.Encode(buf); err != nil {
-			t.Log("error ", err)
-			t.Fail()
-		}
-
-		bufBytes := buf.Bytes()
-
-		if _, err := Store(&bufBytes); err != nil {
-			t.Log("error ", err)
-			t.Fail()
-		}
+		Close()
 	}
-
-	for i := 1; i < 51; i++ {
-		// search a random something that will return a single result
-		uniqueSearches := []string{
-			fmt.Sprintf("from-%d@example.com", i),
-			fmt.Sprintf("from:from-%d@example.com", i),
-			fmt.Sprintf("to-%d@example.com", i),
-			fmt.Sprintf("to:to-%d@example.com", i),
-			fmt.Sprintf("to2-%d@example.com", i),
-			fmt.Sprintf("to:to2-%d@example.com", i),
-			fmt.Sprintf("cc-%d@example.com", i),
-			fmt.Sprintf("cc:cc-%d@example.com", i),
-			fmt.Sprintf("cc2-%d@example.com", i),
-			fmt.Sprintf("cc:cc2-%d@example.com", i),
-			fmt.Sprintf("reply-to-%d@example.com", i),
-			fmt.Sprintf("reply-to:\"reply-to-%d@example.com\"", i),
-			fmt.Sprintf("\"Subject line %d end\"", i),
-			fmt.Sprintf("subject:\"Subject line %d end\"", i),
-			fmt.Sprintf("\"the email body %d jdsauk dwqmdqw\"", i),
-		}
-		searchIdx := rand.Intn(len(uniqueSearches))
-
-		search := uniqueSearches[searchIdx]
-
-		summaries, _, err := Search(search, "", 0, 100)
-		if err != nil {
-			t.Log("error ", err)
-			t.Fail()
-		}
-
-		assertEqual(t, len(summaries), 1, "search result expected")
-
-		assertEqual(t, summaries[0].From.Name, fmt.Sprintf("From %d", i), "\"From\" name does not match")
-		assertEqual(t, summaries[0].From.Address, fmt.Sprintf("from-%d@example.com", i), "\"From\" address does not match")
-		assertEqual(t, summaries[0].To[0].Name, fmt.Sprintf("To %d", i), "\"To\" name does not match")
-		assertEqual(t, summaries[0].To[0].Address, fmt.Sprintf("to-%d@example.com", i), "\"To\" address does not match")
-		assertEqual(t, summaries[0].Subject, fmt.Sprintf("Subject line %d end", i), "\"Subject\" does not match")
-	}
-
-	// search something that will return 200 results
-	summaries, _, err := Search("This is the email body", "", 0, testRuns)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-	assertEqual(t, len(summaries), testRuns, "search results expected")
 }
 
 func TestSearchDelete100(t *testing.T) {
-	setup()
-	defer Close()
+	for _, tenantID := range []string{"", "MyServer 3", "host.example.com"} {
+		tenantID = config.DBTenantID(tenantID)
 
-	t.Log("Testing search delete of 100 messages")
-	for i := 0; i < 100; i++ {
-		if _, err := Store(&testTextEmail); err != nil {
+		setup(tenantID)
+
+		if tenantID == "" {
+			t.Log("Testing search delete of 100 messages")
+		} else {
+			t.Logf("Testing search delete of 100 messages (tenant %s)", tenantID)
+		}
+
+		for i := 0; i < 100; i++ {
+			if _, err := Store(&testTextEmail); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+			if _, err := Store(&testMimeEmail); err != nil {
+				t.Log("error ", err)
+				t.Fail()
+			}
+		}
+
+		_, total, err := Search("from:sender@example.com", "", 0, 0, 100)
+		if err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
-		if _, err := Store(&testMimeEmail); err != nil {
+
+		assertEqual(t, total, 100, "100 search results expected")
+
+		if err := DeleteSearch("from:sender@example.com", ""); err != nil {
 			t.Log("error ", err)
 			t.Fail()
 		}
+
+		_, total, err = Search("from:sender@example.com", "", 0, 0, 100)
+		if err != nil {
+			t.Log("error ", err)
+			t.Fail()
+		}
+
+		assertEqual(t, total, 0, "0 search results expected")
+
+		Close()
 	}
-
-	_, total, err := Search("from:sender@example.com", "", 0, 100)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, total, 100, "100 search results expected")
-
-	if err := DeleteSearch("from:sender@example.com", ""); err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	_, total, err = Search("from:sender@example.com", "", 0, 100)
-	if err != nil {
-		t.Log("error ", err)
-		t.Fail()
-	}
-
-	assertEqual(t, total, 0, "0 search results expected")
 }
 
 func TestSearchDelete1100(t *testing.T) {
-	setup()
+	setup("")
 	defer Close()
 
 	t.Log("Testing search delete of 1100 messages")
@@ -143,7 +164,7 @@ func TestSearchDelete1100(t *testing.T) {
 		}
 	}
 
-	_, total, err := Search("from:sender@example.com", "", 0, 100)
+	_, total, err := Search("from:sender@example.com", "", 0, 0, 100)
 	if err != nil {
 		t.Log("error ", err)
 		t.Fail()
@@ -156,7 +177,7 @@ func TestSearchDelete1100(t *testing.T) {
 		t.Fail()
 	}
 
-	_, total, err = Search("from:sender@example.com", "", 0, 100)
+	_, total, err = Search("from:sender@example.com", "", 0, 0, 100)
 	if err != nil {
 		t.Log("error ", err)
 		t.Fail()

internal/storage/structs.go

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

internal/storage/tagfilters.go

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

internal/storage/tags.go

@@ -13,6 +13,7 @@ import (
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/tools"
+	"github.com/axllent/mailpit/server/websockets"
 	"github.com/leporo/sqlf"
 )
 
@@ -40,7 +41,7 @@ func SetMessageTags(id string, tags []string) ([]string, error) {
 			continue
 		}
 
-		name, err := AddMessageTag(id, t)
+		name, err := addMessageTag(id, t)
 		if err != nil {
 			return []string{}, err
 		}
@@ -53,18 +54,25 @@ func SetMessageTags(id string, tags []string) ([]string, error) {
 
 		for _, t := range currentTags {
 			if !tools.InArray(t, applyTags) {
-				if err := DeleteMessageTag(id, t); err != nil {
+				if err := deleteMessageTag(id, t); err != nil {
 					return []string{}, err
 				}
 			}
 		}
 	}
 
+	d := struct {
+		ID   string
+		Tags []string
+	}{ID: id, Tags: applyTags}
+
+	websockets.Broadcast("update", d)
+
 	return tagNames, nil
 }
 
 // AddMessageTag adds a tag to a message
-func AddMessageTag(id, name string) (string, error) {
+func addMessageTag(id, name string) (string, error) {
 	// prevent two identical tags being added at the same time
 	addTagMutex.Lock()
 
@@ -100,6 +108,7 @@ func AddMessageTag(id, name string) (string, error) {
 			Set("ID", id).
 			Set("TagID", tagID).
 			ExecAndClose(context.TODO(), db)
+
 		return foundName.String, err
 	}
 
@@ -114,14 +123,14 @@ func AddMessageTag(id, name string) (string, error) {
 	addTagMutex.Unlock()
 
 	// add tag to the message
-	return AddMessageTag(id, name)
+	return addMessageTag(id, name)
 }
 
-// DeleteMessageTag deleted a tag from a message
-func DeleteMessageTag(id, name string) error {
+// DeleteMessageTag deletes a tag from a message
+func deleteMessageTag(id, name string) error {
 	if _, err := sqlf.DeleteFrom(tenant("message_tags")).
 		Where(tenant("message_tags.ID")+" = ?", id).
-		Where(tenant("message_tags.Key")+` IN (SELECT Key FROM `+tenant("message_tags")+` LEFT JOIN tags ON `+tenant("TagID")+"="+tenant("tags.ID")+` WHERE Name = ?)`, name).
+		Where(tenant("message_tags.Key")+` IN (SELECT Key FROM `+tenant("message_tags")+` LEFT JOIN `+tenant("tags")+` ON TagID=`+tenant("tags.ID")+` WHERE Name = ?)`, name).
 		ExecAndClose(context.TODO(), db); err != nil {
 		return err
 	}
@@ -173,7 +182,6 @@ func GetAllTagsCount() map[string]int64 {
 		OrderBy("Name").
 		QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
 			tags[name] = total
-			// tags = append(tags, name)
 		}); err != nil {
 		logger.Log().Errorf("[db] %s", err.Error())
 	}

internal/storage/tags_test.go

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

internal/storage/testing.go

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

internal/storage/utils.go

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

internal/tools/unixsocket.go

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

internal/tools/utils.go

@@ -11,14 +11,14 @@ func Plural(total int, singular, plural string) string {
 	if total == 1 {
 		return fmt.Sprintf("%d %s", total, singular)
 	}
+
 	return fmt.Sprintf("%d %s", total, plural)
 }
 
 // InArray tests if a string is within an array. It is not case sensitive.
 func InArray(k string, arr []string) bool {
-	k = strings.ToLower(k)
 	for _, v := range arr {
-		if strings.ToLower(v) == k {
+		if strings.EqualFold(v, k) {
 			return true
 		}
 	}

internal/updater/targz.go

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

internal/updater/unzip.go

@@ -71,5 +71,6 @@ func Unzip(src string, dest string) ([]string, error) {
 			return filenames, err
 		}
 	}
+
 	return filenames, nil
 }

internal/updater/updater.go

@@ -23,6 +23,7 @@ var (
 	// AllowPrereleases defines whether pre-releases may be included
 	AllowPrereleases = false
 
+	// temporary directory
 	tempDir string
 )
 

package.json

@@ -15,7 +15,9 @@
     "bootstrap5-tags": "^1.6.1",
     "color-hash": "^2.0.2",
     "dayjs": "^1.11.10",
+    "dompurify": "^3.1.6",
     "ical.js": "^2.0.1",
+    "mitt": "^3.0.1",
     "modern-screenshot": "^4.4.30",
     "prismjs": "^1.29.0",
     "rapidoc": "^9.3.4",
@@ -29,7 +31,7 @@
     "@types/bootstrap": "^5.2.7",
     "@types/tinycon": "^0.6.3",
     "@vue/compiler-sfc": "^3.2.37",
-    "esbuild": "^0.23.0",
+    "esbuild": "^0.24.0",
     "esbuild-plugin-vue-next": "^0.1.4",
     "esbuild-sass-plugin": "^3.0.0"
   }

sendmail/cmd/cmd.go

@@ -18,15 +18,15 @@ import (
 	"fmt"
 	"io"
 	"net/mail"
-	"net/smtp"
 	"os"
 	"os/user"
+	"path"
 	"regexp"
 	"strings"
 
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/logger"
-	"github.com/reiver/go-telnet"
+	"github.com/mneis/go-telnet"
 	flag "github.com/spf13/pflag"
 )
 
@@ -35,7 +35,6 @@ var (
 	SMTPAddr = "localhost:1025"
 	// FromAddr email address
 	FromAddr string
-
 	// UseB - used to set from `-bs`
 	UseB bool
 	// UseS - used to set from `-bs`
@@ -114,14 +113,23 @@ func Run() {
 		os.Exit(1)
 	}
 
+	socketAddr, isSocket := socketAddress(SMTPAddr)
+
 	// handles `sendmail -bs`
+	// telnet directly to SMTP
 	if UseB && UseS {
 		var caller telnet.Caller = telnet.StandardCaller
 
-		// telnet directly to SMTP
-		if err := telnet.DialToAndCall(SMTPAddr, caller); err != nil {
-			fmt.Println(err)
-			os.Exit(1)
+		if isSocket {
+			if err := telnet.DialToAndCallUnix(socketAddr, caller); err != nil {
+				fmt.Println(err)
+				os.Exit(1)
+			}
+		} else {
+			if err := telnet.DialToAndCall(SMTPAddr, caller); err != nil {
+				fmt.Println(err)
+				os.Exit(1)
+			}
 		}
 
 		return
@@ -168,8 +176,7 @@ func Run() {
 		os.Exit(11)
 	}
 
-	err = smtp.SendMail(SMTPAddr, nil, from.Address, addresses, body)
-	if err != nil {
+	if err := Send(SMTPAddr, from.Address, addresses, body); err != nil {
 		fmt.Fprintln(os.Stderr, "error sending mail")
 		logger.Log().Fatal(err)
 	}
@@ -193,3 +200,17 @@ Flags:
   -v          Ignored
 `, config.Version, strings.Join(args, " "), FromAddr)
 }
+
+// SocketAddress returns a path and a FileMode if the address is in
+// the format of unix:<path>
+func socketAddress(address string) (string, bool) {
+	re := regexp.MustCompile(`^unix:(.*)$`)
+
+	if !re.MatchString(address) {
+		return "", false
+	}
+
+	m := re.FindAllStringSubmatch(address, 1)
+
+	return path.Clean(m[0][1]), true
+}

sendmail/cmd/smtp.go

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

server/apiv1/api.go

@@ -10,12 +10,15 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/araddon/dateparse"
 	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/htmlcheck"
 	"github.com/axllent/mailpit/internal/linkcheck"
+	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/spamassassin"
 	"github.com/axllent/mailpit/internal/storage"
 	"github.com/gorilla/mux"
+	"github.com/jhillyerd/enmime"
 )
 
 // GetMessages returns a paginated list of messages as JSON
@@ -48,9 +51,9 @@ func GetMessages(w http.ResponseWriter, r *http.Request) {
 	//	Responses:
 	//		200: MessagesSummaryResponse
 	//		default: ErrorResponse
-	start, limit := getStartLimit(r)
+	start, beforeTS, limit := getStartLimit(r)
 
-	messages, err := storage.List(start, limit)
+	messages, err := storage.List(start, beforeTS, limit)
 	if err != nil {
 		httpError(w, err.Error())
 		return
@@ -120,9 +123,9 @@ func Search(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	start, limit := getStartLimit(r)
+	start, beforeTS, limit := getStartLimit(r)
 
-	messages, results, err := storage.Search(search, r.URL.Query().Get("tz"), start, limit)
+	messages, results, err := storage.Search(search, r.URL.Query().Get("tz"), start, beforeTS, limit)
 	if err != nil {
 		httpError(w, err.Error())
 		return
@@ -442,7 +445,7 @@ func DeleteMessages(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	w.Header().Add("Content-Type", "application/plain")
+	w.Header().Add("Content-Type", "text/plain")
 	_, _ = w.Write([]byte("ok"))
 }
 
@@ -548,12 +551,22 @@ func HTMLCheck(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	msg, err := storage.GetMessage(id)
+	raw, err := storage.GetMessageRaw(id)
 	if err != nil {
 		fourOFour(w)
 		return
 	}
 
+	e := bytes.NewReader(raw)
+
+	parser := enmime.NewParser(enmime.DisableCharacterDetection(true))
+
+	msg, err := parser.ReadEnvelope(e)
+	if err != nil {
+		httpError(w, err.Error())
+		return
+	}
+
 	if msg.HTML == "" {
 		httpError(w, "message does not contain HTML")
 		return
@@ -588,6 +601,11 @@ func LinkCheck(w http.ResponseWriter, r *http.Request) {
 	//		200: LinkCheckResponse
 	//		default: ErrorResponse
 
+	if config.DemoMode {
+		httpError(w, "this functionality has been disabled for demonstration purposes")
+		return
+	}
+
 	vars := mux.Vars(r)
 	id := vars["id"]
 
@@ -704,9 +722,10 @@ func httpJSONError(w http.ResponseWriter, msg string) {
 }
 
 // Get the start and limit based on query params. Defaults to 0, 50
-func getStartLimit(req *http.Request) (start int, limit int) {
+func getStartLimit(req *http.Request) (start int, beforeTS int64, limit int) {
 	start = 0
 	limit = 50
+	beforeTS = 0 // timestamp
 
 	s := req.URL.Query().Get("start")
 	if n, err := strconv.Atoi(s); err == nil && n > 0 {
@@ -718,7 +737,17 @@ func getStartLimit(req *http.Request) (start int, limit int) {
 		limit = n
 	}
 
-	return start, limit
+	b := req.URL.Query().Get("before")
+	if b != "" {
+		t, err := dateparse.ParseLocal(b)
+		if err != nil {
+			logger.Log().Warnf("ignoring invalid before: date \"%s\"", b)
+		} else {
+			beforeTS = t.UnixMilli()
+		}
+	}
+
+	return start, beforeTS, limit
 }
 
 // GetOptions returns a blank response

server/apiv1/release.go

@@ -37,6 +37,11 @@ func ReleaseMessage(w http.ResponseWriter, r *http.Request) {
 	//		200: OKResponse
 	//		default: ErrorResponse
 
+	if config.DemoMode {
+		httpError(w, "this functionality has been disabled for demonstration purposes")
+		return
+	}
+
 	vars := mux.Vars(r)
 
 	id := vars["id"]
@@ -156,7 +161,7 @@ func ReleaseMessage(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if err := smtpd.Send(from, data.To, msg); err != nil {
+	if err := smtpd.Relay(from, data.To, msg); err != nil {
 		logger.Log().Errorf("[smtp] error sending message: %s", err.Error())
 		httpError(w, "SMTP error: "+err.Error())
 		return

server/apiv1/send.go

@@ -11,6 +11,7 @@ import (
 	"net/mail"
 	"strings"
 
+	"github.com/axllent/mailpit/config"
 	"github.com/axllent/mailpit/internal/tools"
 	"github.com/axllent/mailpit/server/smtpd"
 	"github.com/jhillyerd/enmime"
@@ -141,6 +142,11 @@ func SendMessageHandler(w http.ResponseWriter, r *http.Request) {
 	//		200: sendMessageResponse
 	//		default: jsonErrorResponse
 
+	if config.DemoMode {
+		httpJSONError(w, "this functionality has been disabled for demonstration purposes")
+		return
+	}
+
 	decoder := json.NewDecoder(r.Body)
 
 	data := SendRequest{}
@@ -271,5 +277,5 @@ func (d SendRequest) Send(remoteAddr string) (string, error) {
 		return "", fmt.Errorf("error building message: %s", err.Error())
 	}
 
-	return smtpd.Store(ipAddr, d.From.Email, addresses, buff.Bytes())
+	return smtpd.SaveToDatabase(ipAddr, d.From.Email, addresses, buff.Bytes())
 }

server/handlers/messages.go

@@ -19,13 +19,13 @@ func RedirectToLatestMessage(w http.ResponseWriter, r *http.Request) {
 
 	search := strings.TrimSpace(r.URL.Query().Get("query"))
 	if search != "" {
-		messages, _, err = storage.Search(search, "", 0, 1)
+		messages, _, err = storage.Search(search, "", 0, 0, 1)
 		if err != nil {
 			httpError(w, err.Error())
 			return
 		}
 	} else {
-		messages, err = storage.List(0, 1)
+		messages, err = storage.List(0, 0, 1)
 		if err != nil {
 			httpError(w, err.Error())
 			return

server/pop3/functions.go

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

server/server.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
+	"net"
 	"net/http"
 	"os"
 	"strings"
@@ -20,11 +21,13 @@ import (
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/stats"
 	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/tools"
 	"github.com/axllent/mailpit/server/apiv1"
 	"github.com/axllent/mailpit/server/handlers"
 	"github.com/axllent/mailpit/server/pop3"
 	"github.com/axllent/mailpit/server/websockets"
 	"github.com/gorilla/mux"
+	"github.com/lithammer/shortuuid/v4"
 )
 
 //go:embed ui
@@ -75,11 +78,11 @@ func Listen() {
 	}
 
 	// UI shortcut
-	r.HandleFunc(config.Webroot+"view/latest", handlers.RedirectToLatestMessage).Methods("GET")
+	r.HandleFunc(config.Webroot+"view/latest", middleWareFunc(handlers.RedirectToLatestMessage)).Methods("GET")
 
 	// frontend testing
-	r.HandleFunc(config.Webroot+"view/{id}.html", handlers.GetMessageHTML).Methods("GET")
-	r.HandleFunc(config.Webroot+"view/{id}.txt", handlers.GetMessageText).Methods("GET")
+	r.HandleFunc(config.Webroot+"view/{id}.html", middleWareFunc(handlers.GetMessageHTML)).Methods("GET")
+	r.HandleFunc(config.Webroot+"view/{id}.txt", middleWareFunc(handlers.GetMessageText)).Methods("GET")
 
 	// web UI via virtual index.html
 	r.PathPrefix(config.Webroot + "view/").Handler(middleWareFunc(index)).Methods("GET")
@@ -111,11 +114,42 @@ func Listen() {
 		}
 
 	} else {
-		logger.Log().Infof("[http] starting on %s", config.HTTPListen)
-		logger.Log().Infof("[http] accessible via http://%s%s", logger.CleanHTTPIP(config.HTTPListen), config.Webroot)
-		if err := server.ListenAndServe(); err != nil {
-			storage.Close()
-			logger.Log().Fatal(err)
+		socketAddr, perm, isSocket := tools.UnixSocket(config.HTTPListen)
+
+		if isSocket {
+			if err := tools.PrepareSocket(socketAddr); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+			// delete the Unix socket file on exit
+			storage.AddTempFile(socketAddr)
+
+			ln, err := net.Listen("unix", socketAddr)
+			if err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+			if err := os.Chmod(socketAddr, perm); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+			logger.Log().Infof("[http] starting on %s", config.HTTPListen)
+
+			if err := server.Serve(ln); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
+
+		} else {
+			logger.Log().Infof("[http] starting on %s", config.HTTPListen)
+			logger.Log().Infof("[http] accessible via http://%s%s", logger.CleanHTTPIP(config.HTTPListen), config.Webroot)
+			if err := server.ListenAndServe(); err != nil {
+				storage.Close()
+				logger.Log().Fatal(err)
+			}
 		}
 	}
 }
@@ -179,7 +213,21 @@ func (w gzipResponseWriter) Write(b []byte) (int, error) {
 func middleWareFunc(fn http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Referrer-Policy", "no-referrer")
-		w.Header().Set("Content-Security-Policy", config.ContentSecurityPolicy)
+
+		// generate a new random nonce on every request
+		randomNonce := shortuuid.New()
+		// header used to pass nonce through to function
+		r.Header.Set("mp-nonce", randomNonce)
+
+		// Prevent JavaScript XSS by adding a nonce for script-src
+		cspHeader := strings.Replace(
+			config.ContentSecurityPolicy,
+			"script-src 'self';",
+			fmt.Sprintf("script-src 'nonce-%s';", randomNonce),
+			1,
+		)
+
+		w.Header().Set("Content-Security-Policy", cspHeader)
 
 		if AccessControlAllowOrigin != "" && strings.HasPrefix(r.RequestURI, config.Webroot+"api/") {
 			w.Header().Set("Access-Control-Allow-Origin", AccessControlAllowOrigin)
@@ -205,6 +253,7 @@ func middleWareFunc(fn http.HandlerFunc) http.HandlerFunc {
 			fn(w, r)
 			return
 		}
+
 		w.Header().Set("Content-Encoding", "gzip")
 		gz := gzip.NewWriter(w)
 		defer gz.Close()
@@ -281,7 +330,7 @@ func swaggerBasePath(w http.ResponseWriter, _ *http.Request) {
 }
 
 // Just returns the default HTML template
-func index(w http.ResponseWriter, _ *http.Request) {
+func index(w http.ResponseWriter, r *http.Request) {
 
 	var h = `<!DOCTYPE html>
 <html lang="en" class="h-100">
@@ -298,10 +347,12 @@ func index(w http.ResponseWriter, _ *http.Request) {
 
 <body class="h-100">
 	<div class="container-fluid h-100 d-flex flex-column" id="app" data-webroot="{{ .Webroot }}" data-version="{{ .Version }}">
-		<noscript>You require JavaScript to use this app.</noscript>
+		<noscript class="alert alert-warning position-absolute top-50 start-50 translate-middle">
+			You need a browser with JavaScript support to use Mailpit
+		</noscript>
 	</div>
 
-	<script src="{{ .Webroot }}dist/app.js?{{ .Version }}"></script>
+	<script src="{{ .Webroot }}dist/app.js?{{ .Version }}" nonce="{{ .Nonce }}"></script>
 </body>
 
 </html>`
@@ -314,9 +365,11 @@ func index(w http.ResponseWriter, _ *http.Request) {
 	data := struct {
 		Webroot string
 		Version string
+		Nonce   string
 	}{
 		Webroot: config.Webroot,
 		Version: config.Version,
+		Nonce:   r.Header.Get("mp-nonce"),
 	}
 
 	buff := new(bytes.Buffer)

server/smtpd/lib.go

@@ -0,0 +1,952 @@
+// Package smtpd implements a basic SMTP server.
+//
+// This is a modified version of https://github.com/mhale/smtpd to
+// add optional support for unix sockets.
+package smtpd
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"crypto/tls"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"io/fs"
+	"log"
+	"net"
+	"os"
+	"regexp"
+	"strconv"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+var (
+	// Debug `true` enables verbose logging.
+	Debug      = false
+	rcptToRE   = regexp.MustCompile(`[Tt][Oo]:\s?<(.+)>`)
+	mailFromRE = regexp.MustCompile(`[Ff][Rr][Oo][Mm]:\s?<(.*)>(\s(.*))?`) // Delivery Status Notifications are sent with "MAIL FROM:<>"
+	mailSizeRE = regexp.MustCompile(`[Ss][Ii][Zz][Ee]=(\d+)`)
+)
+
+// Handler function called upon successful receipt of an email.
+// Results in a "250 2.0.0 Ok: queued" response.
+type Handler func(remoteAddr net.Addr, from string, to []string, data []byte) error
+
+// MsgIDHandler function called upon successful receipt of an email. Returns a message ID.
+// Results in a "250 2.0.0 Ok: queued as <message-id>" response.
+type MsgIDHandler func(remoteAddr net.Addr, from string, to []string, data []byte) (string, error)
+
+// HandlerRcpt function called on RCPT. Return accept status.
+type HandlerRcpt func(remoteAddr net.Addr, from string, to string) bool
+
+// AuthHandler function called when a login attempt is performed. Returns true if credentials are correct.
+type AuthHandler func(remoteAddr net.Addr, mechanism string, username []byte, password []byte, shared []byte) (bool, error)
+
+// ErrServerClosed is the default message when a server closes a connection
+var ErrServerClosed = errors.New("Server has been closed")
+
+// ListenAndServe listens on the TCP network address addr
+// and then calls Serve with handler to handle requests
+// on incoming connections.
+func ListenAndServe(addr string, handler Handler, appName string, hostname string) error {
+	srv := &Server{Addr: addr, Handler: handler, AppName: appName, Hostname: hostname}
+	return srv.ListenAndServe()
+}
+
+// ListenAndServeTLS listens on the TCP network address addr
+// and then calls Serve with handler to handle requests
+// on incoming connections. Connections may be upgraded to TLS if the client requests it.
+func ListenAndServeTLS(addr string, certFile string, keyFile string, handler Handler, appName string, hostname string) error {
+	srv := &Server{Addr: addr, Handler: handler, AppName: appName, Hostname: hostname}
+	err := srv.ConfigureTLS(certFile, keyFile)
+	if err != nil {
+		return err
+	}
+	return srv.ListenAndServe()
+}
+
+type maxSizeExceededError struct {
+	limit int
+}
+
+func maxSizeExceeded(limit int) maxSizeExceededError {
+	return maxSizeExceededError{limit}
+}
+
+// Error uses the RFC 5321 response message in preference to RFC 1870.
+// RFC 3463 defines enhanced status code x.3.4 as "Message too big for system".
+func (err maxSizeExceededError) Error() string {
+	return fmt.Sprintf("552 5.3.4 Requested mail action aborted: exceeded storage allocation (%d)", err.limit)
+}
+
+// LogFunc is a function capable of logging the client-server communication.
+type LogFunc func(remoteIP, verb, line string)
+
+// Server is an SMTP server.
+type Server struct {
+	Addr              string // TCP address to listen on, defaults to ":25" (all addresses, port 25) if empty
+	AppName           string
+	AuthHandler       AuthHandler
+	AuthMechs         map[string]bool // Override list of allowed authentication mechanisms. Currently supported: LOGIN, PLAIN, CRAM-MD5. Enabling LOGIN and PLAIN will reduce RFC 4954 compliance.
+	AuthRequired      bool            // Require authentication for every command except AUTH, EHLO, HELO, NOOP, RSET or QUIT as per RFC 4954. Ignored if AuthHandler is not configured.
+	DisableReverseDNS bool            // Disable reverse DNS lookups, enforces "unknown" hostname
+	Handler           Handler
+	HandlerRcpt       HandlerRcpt
+	Hostname          string
+	LogRead           LogFunc
+	LogWrite          LogFunc
+	MaxSize           int // Maximum message size allowed, in bytes
+	MaxRecipients     int // Maximum number of recipients, defaults to 100.
+	MsgIDHandler      MsgIDHandler
+	Timeout           time.Duration
+	TLSConfig         *tls.Config
+	TLSListener       bool        // Listen for incoming TLS connections only (not recommended as it may reduce compatibility). Ignored if TLS is not configured.
+	TLSRequired       bool        // Require TLS for every command except NOOP, EHLO, STARTTLS, or QUIT as per RFC 3207. Ignored if TLS is not configured.
+	Protocol          string      // Default tcp, supports unix
+	SocketPerm        fs.FileMode // if using Unix socket, socket permissions
+
+	inShutdown   int32 // server was closed or shutdown
+	openSessions int32 // count of open sessions
+	mu           sync.Mutex
+	shutdownChan chan struct{} // let the sessions know we are shutting down
+
+	XClientAllowed []string // List of XCLIENT allowed IP addresses
+}
+
+// ConfigureTLS creates a TLS configuration from certificate and key files.
+func (srv *Server) ConfigureTLS(certFile string, keyFile string) error {
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return err
+	}
+	srv.TLSConfig = &tls.Config{Certificates: []tls.Certificate{cert}} // #nosec
+	return nil
+}
+
+// // ConfigureTLSWithPassphrase creates a TLS configuration from a certificate,
+// // an encrypted key file and the associated passphrase:
+// func (srv *Server) ConfigureTLSWithPassphrase(
+// 	certFile string,
+// 	keyFile string,
+// 	passphrase string,
+// ) error {
+// 	certPEMBlock, err := os.ReadFile(certFile)
+// 	if err != nil {
+// 		return err
+// 	}
+// 	keyPEMBlock, err := os.ReadFile(keyFile)
+// 	if err != nil {
+// 		return err
+// 	}
+// 	keyDERBlock, _ := pem.Decode(keyPEMBlock)
+// 	keyPEMDecrypted, err := x509.DecryptPEMBlock(keyDERBlock, []byte(passphrase))
+// 	if err != nil {
+// 		return err
+// 	}
+// 	var pemBlock pem.Block
+// 	pemBlock.Type = keyDERBlock.Type
+// 	pemBlock.Bytes = keyPEMDecrypted
+// 	keyPEMBlock = pem.EncodeToMemory(&pemBlock)
+// 	cert, err := tls.X509KeyPair(certPEMBlock, keyPEMBlock)
+// 	if err != nil {
+// 		return err
+// 	}
+// 	srv.TLSConfig = &tls.Config{Certificates: []tls.Certificate{cert}}
+// 	return nil
+// }
+
+// ListenAndServe listens on the either a TCP network address srv.Addr or
+// alternatively a Unix socket. and then calls Serve to handle requests on
+// incoming connections. If srv.Addr is blank, ":25" is used.
+func (srv *Server) ListenAndServe() error {
+	if atomic.LoadInt32(&srv.inShutdown) != 0 {
+		return ErrServerClosed
+	}
+
+	if srv.Addr == "" {
+		srv.Addr = ":25"
+	}
+	if srv.AppName == "" {
+		srv.AppName = "smtpd"
+	}
+	if srv.Hostname == "" {
+		srv.Hostname, _ = os.Hostname()
+	}
+	if srv.Timeout == 0 {
+		srv.Timeout = 5 * time.Minute
+	}
+	if srv.Protocol == "" {
+		srv.Protocol = "tcp"
+	}
+
+	var ln net.Listener
+	var err error
+
+	// If TLSListener is enabled, listen for TLS connections only.
+	if srv.TLSConfig != nil && srv.TLSListener {
+		ln, err = tls.Listen(srv.Protocol, srv.Addr, srv.TLSConfig)
+	} else {
+		ln, err = net.Listen(srv.Protocol, srv.Addr)
+	}
+
+	if err != nil {
+		return err
+	}
+
+	if srv.Protocol == "unix" {
+		// set permissions
+		if err := os.Chmod(srv.Addr, srv.SocketPerm); err != nil {
+			return err
+		}
+	}
+
+	return srv.Serve(ln)
+}
+
+// Serve creates a new SMTP session after a network connection is established.
+func (srv *Server) Serve(ln net.Listener) error {
+	if atomic.LoadInt32(&srv.inShutdown) != 0 {
+		return ErrServerClosed
+	}
+
+	defer ln.Close()
+
+	for {
+		// if we are shutting down, don't accept new connections
+		select {
+		case <-srv.getShutdownChan():
+			return ErrServerClosed
+		default:
+		}
+
+		conn, err := ln.Accept()
+		if err != nil {
+			if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
+				continue
+			}
+			return err
+		}
+
+		session := srv.newSession(conn)
+		atomic.AddInt32(&srv.openSessions, 1)
+		go session.serve()
+	}
+}
+
+type session struct {
+	srv           *Server
+	conn          net.Conn
+	br            *bufio.Reader
+	bw            *bufio.Writer
+	remoteIP      string // Remote IP address
+	remoteHost    string // Remote hostname according to reverse DNS lookup
+	remoteName    string // Remote hostname as supplied with EHLO
+	xClient       string // Information string as supplied with XCLIENT
+	xClientADDR   string // Information string as supplied with XCLIENT ADDR
+	xClientNAME   string // Information string as supplied with XCLIENT NAME
+	xClientTrust  bool   // Trust XCLIENT from current IP address
+	tls           bool
+	authenticated bool
+}
+
+// Create new session from connection.
+func (srv *Server) newSession(conn net.Conn) (s *session) {
+	s = &session{
+		srv:  srv,
+		conn: conn,
+		br:   bufio.NewReader(conn),
+		bw:   bufio.NewWriter(conn),
+	}
+
+	// Get remote end info for the Received header.
+	s.remoteIP, _, _ = net.SplitHostPort(s.conn.RemoteAddr().String())
+	if s.remoteIP == "" {
+		s.remoteIP = "127.0.0.1"
+	}
+	if !s.srv.DisableReverseDNS {
+		names, err := net.LookupAddr(s.remoteIP)
+		if err == nil && len(names) > 0 {
+			s.remoteHost = names[0]
+		} else {
+			s.remoteHost = "unknown"
+		}
+	} else {
+		s.remoteHost = "unknown"
+	}
+
+	// Set tls = true if TLS is already in use.
+	_, s.tls = s.conn.(*tls.Conn)
+
+	for _, checkIP := range srv.XClientAllowed {
+		if s.remoteIP == checkIP {
+			s.xClientTrust = true
+		}
+	}
+	return
+}
+
+func (srv *Server) getShutdownChan() <-chan struct{} {
+	srv.mu.Lock()
+	defer srv.mu.Unlock()
+	if srv.shutdownChan == nil {
+		srv.shutdownChan = make(chan struct{})
+	}
+
+	return srv.shutdownChan
+}
+
+func (srv *Server) closeShutdownChan() {
+	srv.mu.Lock()
+	defer srv.mu.Unlock()
+	if srv.shutdownChan == nil {
+		srv.shutdownChan = make(chan struct{})
+	}
+
+	select {
+	case <-srv.shutdownChan:
+	default:
+		close(srv.shutdownChan)
+	}
+}
+
+// Close - closes the connection without waiting
+func (srv *Server) Close() error {
+	atomic.StoreInt32(&srv.inShutdown, 1)
+	srv.closeShutdownChan()
+	return nil
+}
+
+// Shutdown - waits for current sessions to complete before closing
+func (srv *Server) Shutdown(ctx context.Context) error {
+	atomic.StoreInt32(&srv.inShutdown, 1)
+	srv.closeShutdownChan()
+
+	// wait for up to 30 seconds to allow the current sessions to
+	// end
+	timer := time.NewTimer(100 * time.Millisecond)
+	defer timer.Stop()
+
+	for i := 0; i < 300; i++ {
+		// wait for open sessions to close
+		if atomic.LoadInt32(&srv.openSessions) == 0 {
+			break
+		}
+
+		select {
+		case <-timer.C:
+			timer.Reset(100 * time.Millisecond)
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+		}
+	}
+
+	return nil
+}
+
+// Function called to handle connection requests.
+func (s *session) serve() {
+	defer atomic.AddInt32(&s.srv.openSessions, -1)
+	defer s.conn.Close()
+
+	var from string
+	var gotFrom bool
+	var to []string
+	var buffer bytes.Buffer
+
+	// Send banner.
+	s.writef("220 %s %s ESMTP Service ready", s.srv.Hostname, s.srv.AppName)
+
+loop:
+	for {
+		// Attempt to read a line from the socket.
+		// On timeout, send a timeout message and return from serve().
+		// On error, assume the client has gone away i.e. return from serve().
+		line, err := s.readLine()
+		if err != nil {
+			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+				s.writef("421 4.4.2 %s %s ESMTP Service closing transmission channel after timeout exceeded", s.srv.Hostname, s.srv.AppName)
+			}
+			break
+		}
+
+		verb, args := s.parseLine(line)
+
+		switch verb {
+		case "HELO":
+			s.remoteName = args
+			s.writef("250 %s greets %s", s.srv.Hostname, s.remoteName)
+
+			// RFC 2821 section 4.1.4 specifies that EHLO has the same effect as RSET, so reset for HELO too.
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "EHLO":
+			s.remoteName = args
+			s.writef(s.makeEHLOResponse())
+
+			// RFC 2821 section 4.1.4 specifies that EHLO has the same effect as RSET.
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "MAIL":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			if s.srv.AuthHandler != nil && s.srv.AuthRequired && !s.authenticated {
+				s.writef("530 5.7.0 Authentication required")
+				break
+			}
+
+			match := mailFromRE.FindStringSubmatch(args)
+			if match == nil {
+				s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid FROM parameter)")
+			} else {
+				// Validate the SIZE parameter if one was sent.
+				if len(match[2]) > 0 { // A parameter is present
+					sizeMatch := mailSizeRE.FindStringSubmatch(match[3])
+					if sizeMatch == nil {
+						s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid SIZE parameter)")
+					} else {
+						// Enforce the maximum message size if one is set.
+						size, err := strconv.Atoi(sizeMatch[1])
+						if err != nil { // Bad SIZE parameter
+							s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid SIZE parameter)")
+						} else if s.srv.MaxSize > 0 && size > s.srv.MaxSize { // SIZE above maximum size, if set
+							err = maxSizeExceeded(s.srv.MaxSize)
+							s.writef(err.Error())
+						} else { // SIZE ok
+							from = match[1]
+							gotFrom = true
+							s.writef("250 2.1.0 Ok")
+						}
+					}
+				} else { // No parameters after FROM
+					from = match[1]
+					gotFrom = true
+					s.writef("250 2.1.0 Ok")
+				}
+			}
+			to = nil
+			buffer.Reset()
+		case "RCPT":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			if s.srv.AuthHandler != nil && s.srv.AuthRequired && !s.authenticated {
+				s.writef("530 5.7.0 Authentication required")
+				break
+			}
+			if !gotFrom {
+				s.writef("503 5.5.1 Bad sequence of commands (MAIL required before RCPT)")
+				break
+			}
+
+			match := rcptToRE.FindStringSubmatch(args)
+			if match == nil {
+				s.writef("501 5.5.4 Syntax error in parameters or arguments (invalid TO parameter)")
+			} else {
+				// RFC 5321 specifies support for minimum of 100 recipients is required.
+				if s.srv.MaxRecipients == 0 {
+					s.srv.MaxRecipients = 100
+				}
+				if len(to) == s.srv.MaxRecipients {
+					s.writef("452 4.5.3 Too many recipients")
+				} else {
+					accept := true
+					if s.srv.HandlerRcpt != nil {
+						accept = s.srv.HandlerRcpt(s.conn.RemoteAddr(), from, match[1])
+					}
+					if accept {
+						to = append(to, match[1])
+						s.writef("250 2.1.5 Ok")
+					} else {
+						s.writef("550 5.1.0 Requested action not taken: mailbox unavailable")
+					}
+				}
+			}
+		case "DATA":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			if s.srv.AuthHandler != nil && s.srv.AuthRequired && !s.authenticated {
+				s.writef("530 5.7.0 Authentication required")
+				break
+			}
+			if !gotFrom || len(to) == 0 {
+				s.writef("503 5.5.1 Bad sequence of commands (MAIL & RCPT required before DATA)")
+				break
+			}
+
+			s.writef("354 Start mail input; end with <CR><LF>.<CR><LF>")
+
+			// Attempt to read message body from the socket.
+			// On timeout, send a timeout message and return from serve().
+			// On net.Error, assume the client has gone away i.e. return from serve().
+			// On other errors, allow the client to try again.
+			data, err := s.readData()
+			if err != nil {
+				switch err.(type) {
+				case net.Error:
+					if err.(net.Error).Timeout() {
+						s.writef("421 4.4.2 %s %s ESMTP Service closing transmission channel after timeout exceeded", s.srv.Hostname, s.srv.AppName)
+					}
+					break loop
+				case maxSizeExceededError:
+					s.writef(err.Error())
+					continue
+				default:
+					s.writef("451 4.3.0 Requested action aborted: local error in processing")
+					continue
+				}
+			}
+
+			// Create Received header & write message body into buffer.
+			buffer.Reset()
+			buffer.Write(s.makeHeaders(to))
+			buffer.Write(data)
+
+			// Pass mail on to handler.
+			if s.srv.Handler != nil {
+				err := s.srv.Handler(s.conn.RemoteAddr(), from, to, buffer.Bytes())
+				if err != nil {
+					checkErrFormat := regexp.MustCompile(`^([2-5][0-9]{2})[\s\-](.+)$`)
+					if checkErrFormat.MatchString(err.Error()) {
+						s.writef(err.Error())
+					} else {
+						s.writef("451 4.3.5 Unable to process mail")
+					}
+					break
+				}
+				s.writef("250 2.0.0 Ok: queued")
+			} else if s.srv.MsgIDHandler != nil {
+				msgID, err := s.srv.MsgIDHandler(s.conn.RemoteAddr(), from, to, buffer.Bytes())
+				if err != nil {
+					checkErrFormat := regexp.MustCompile(`^([2-5][0-9]{2})[\s\-](.+)$`)
+					if checkErrFormat.MatchString(err.Error()) {
+						s.writef(err.Error())
+					} else {
+						s.writef("451 4.3.5 Unable to process mail")
+					}
+					break
+				}
+
+				if msgID != "" {
+					s.writef("250 2.0.0 Ok: queued as " + msgID)
+				} else {
+					s.writef("250 2.0.0 Ok: queued")
+				}
+			} else {
+				s.writef("250 2.0.0 Ok: queued")
+			}
+
+			// Reset for next mail.
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "QUIT":
+			s.writef("221 2.0.0 %s %s ESMTP Service closing transmission channel", s.srv.Hostname, s.srv.AppName)
+			break loop
+		case "RSET":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			s.writef("250 2.0.0 Ok")
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "NOOP":
+			s.writef("250 2.0.0 Ok")
+		case "XCLIENT":
+			s.xClient = args
+			if s.xClientTrust {
+				xCArgs := strings.Split(args, " ")
+				for _, xCArg := range xCArgs {
+					xCParse := strings.Split(strings.TrimSpace(xCArg), "=")
+					if strings.ToUpper(xCParse[0]) == "ADDR" && (net.ParseIP(xCParse[1]) != nil) {
+						s.xClientADDR = xCParse[1]
+					}
+					if strings.ToUpper(xCParse[0]) == "NAME" && len(xCParse[1]) > 0 {
+						if xCParse[1] != "[UNAVAILABLE]" {
+							s.xClientNAME = xCParse[1]
+						}
+					}
+				}
+				if len(s.xClientADDR) > 7 {
+					s.remoteIP = s.xClientADDR
+					if len(s.xClientNAME) > 4 {
+						s.remoteHost = s.xClientNAME
+					} else {
+						names, err := net.LookupAddr(s.remoteIP)
+						if err == nil && len(names) > 0 {
+							s.remoteHost = names[0]
+						} else {
+							s.remoteHost = "unknown"
+						}
+					}
+				}
+			}
+			s.writef("250 2.0.0 Ok")
+		case "HELP", "VRFY", "EXPN":
+			// See RFC 5321 section 4.2.4 for usage of 500 & 502 response codes.
+			s.writef("502 5.5.1 Command not implemented")
+		case "STARTTLS":
+			// Parameters are not allowed (RFC 3207 section 4).
+			if args != "" {
+				s.writef("501 5.5.2 Syntax error (no parameters allowed)")
+				break
+			}
+
+			// Handle case where TLS is requested but not configured (and therefore not listed as a service extension).
+			if s.srv.TLSConfig == nil {
+				s.writef("502 5.5.1 Command not implemented")
+				break
+			}
+
+			// Handle case where STARTTLS is received when TLS is already in use.
+			if s.tls {
+				s.writef("503 5.5.1 Bad sequence of commands (TLS already in use)")
+				break
+			}
+
+			s.writef("220 2.0.0 Ready to start TLS")
+
+			// Establish a TLS connection with the client.
+			tlsConn := tls.Server(s.conn, s.srv.TLSConfig)
+			err := tlsConn.Handshake()
+			if err != nil {
+				s.writef("403 4.7.0 TLS handshake failed")
+				break
+			}
+
+			// TLS handshake succeeded, switch to using the TLS connection.
+			s.conn = tlsConn
+			s.br = bufio.NewReader(s.conn)
+			s.bw = bufio.NewWriter(s.conn)
+			s.tls = true
+
+			// RFC 3207 specifies that the server must discard any prior knowledge obtained from the client.
+			s.remoteName = ""
+			from = ""
+			gotFrom = false
+			to = nil
+			buffer.Reset()
+		case "AUTH":
+			if s.srv.TLSConfig != nil && s.srv.TLSRequired && !s.tls {
+				s.writef("530 5.7.0 Must issue a STARTTLS command first")
+				break
+			}
+			// Handle case where AUTH is requested but not configured (and therefore not listed as a service extension).
+			if s.srv.AuthHandler == nil {
+				s.writef("502 5.5.1 Command not implemented")
+				break
+			}
+
+			// Handle case where AUTH is received when already authenticated.
+			if s.authenticated {
+				s.writef("503 5.5.1 Bad sequence of commands (already authenticated for this session)")
+				break
+			}
+
+			// RFC 4954 specifies that AUTH is not permitted during mail transactions.
+			if gotFrom || len(to) > 0 {
+				s.writef("503 5.5.1 Bad sequence of commands (AUTH not permitted during mail transaction)")
+				break
+			}
+
+			// RFC 4954 requires a mechanism parameter.
+			authType, authArgs := s.parseLine(args)
+			if authType == "" {
+				s.writef("501 5.5.4 Malformed AUTH input (argument required)")
+				break
+			}
+
+			// RFC 4954 requires rejecting unsupported authentication mechanisms with a 504 response.
+			allowedAuth := s.authMechs()
+			if allowed, found := allowedAuth[authType]; !found || !allowed {
+				s.writef("504 5.5.4 Unrecognized authentication type")
+				break
+			}
+
+			// RFC 4954 also specifies that ESMTP code 5.5.4 ("Invalid command arguments") should be returned
+			// when attempting to use an unsupported authentication type.
+			// Many servers return 5.7.4 ("Security features not supported") instead.
+			switch authType {
+			case "PLAIN":
+				s.authenticated, err = s.handleAuthPlain(authArgs)
+			case "LOGIN":
+				s.authenticated, err = s.handleAuthLogin(authArgs)
+			case "CRAM-MD5":
+				s.authenticated, err = s.handleAuthCramMD5()
+			}
+
+			if err != nil {
+				if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+					s.writef("421 4.4.2 %s %s ESMTP Service closing transmission channel after timeout exceeded", s.srv.Hostname, s.srv.AppName)
+					break loop
+				}
+
+				s.writef(err.Error())
+				break
+			}
+
+			if s.authenticated {
+				s.writef("235 2.7.0 Authentication successful")
+			} else {
+				s.writef("535 5.7.8 Authentication credentials invalid")
+			}
+		default:
+			// See RFC 5321 section 4.2.4 for usage of 500 & 502 response codes.
+			s.writef("500 5.5.2 Syntax error, command unrecognized")
+		}
+	}
+}
+
+// Wrapper function for writing a complete line to the socket.
+func (s *session) writef(format string, args ...interface{}) {
+	if s.srv.Timeout > 0 {
+		_ = s.conn.SetWriteDeadline(time.Now().Add(s.srv.Timeout))
+	}
+
+	line := fmt.Sprintf(format, args...)
+	fmt.Fprintf(s.bw, line+"\r\n")
+	_ = s.bw.Flush()
+
+	if Debug {
+		verb := "WROTE"
+		if s.srv.LogWrite != nil {
+			s.srv.LogWrite(s.remoteIP, verb, line)
+		} else {
+			log.Println(s.remoteIP, verb, line)
+		}
+	}
+}
+
+// Read a complete line from the socket.
+func (s *session) readLine() (string, error) {
+	if s.srv.Timeout > 0 {
+		_ = s.conn.SetReadDeadline(time.Now().Add(s.srv.Timeout))
+	}
+
+	line, err := s.br.ReadString('\n')
+	if err != nil {
+		return "", err
+	}
+	line = strings.TrimSpace(line) // Strip trailing \r\n
+
+	if Debug {
+		verb := "READ"
+		if s.srv.LogRead != nil {
+			s.srv.LogRead(s.remoteIP, verb, line)
+		} else {
+			log.Println(s.remoteIP, verb, line)
+		}
+	}
+
+	return line, err
+}
+
+// Parse a line read from the socket.
+func (s *session) parseLine(line string) (verb string, args string) {
+	if idx := strings.Index(line, " "); idx != -1 {
+		verb = strings.ToUpper(line[:idx])
+		args = strings.TrimSpace(line[idx+1:])
+	} else {
+		verb = strings.ToUpper(line)
+		args = ""
+	}
+	return verb, args
+}
+
+// Read the message data following a DATA command.
+func (s *session) readData() ([]byte, error) {
+	var data []byte
+	for {
+		if s.srv.Timeout > 0 {
+			_ = s.conn.SetReadDeadline(time.Now().Add(s.srv.Timeout))
+		}
+
+		line, err := s.br.ReadBytes('\n')
+		if err != nil {
+			return nil, err
+		}
+		// Handle end of data denoted by lone period (\r\n.\r\n)
+		if bytes.Equal(line, []byte(".\r\n")) {
+			break
+		}
+		// Remove leading period (RFC 5321 section 4.5.2)
+		if line[0] == '.' {
+			line = line[1:]
+		}
+
+		// Enforce the maximum message size limit.
+		if s.srv.MaxSize > 0 {
+			if len(data)+len(line) > s.srv.MaxSize {
+				_, _ = s.br.Discard(s.br.Buffered()) // Discard the buffer remnants.
+				return nil, maxSizeExceeded(s.srv.MaxSize)
+			}
+		}
+
+		data = append(data, line...)
+	}
+	return data, nil
+}
+
+// Create the Received header to comply with RFC 2821 section 3.8.2.
+// TODO: Work out what to do with multiple to addresses.
+func (s *session) makeHeaders(to []string) []byte {
+	var buffer bytes.Buffer
+	now := time.Now().Format("Mon, 2 Jan 2006 15:04:05 -0700 (MST)")
+	buffer.WriteString(fmt.Sprintf("Received: from %s (%s [%s])\r\n", s.remoteName, s.remoteHost, s.remoteIP))
+	buffer.WriteString(fmt.Sprintf("        by %s (%s) with SMTP\r\n", s.srv.Hostname, s.srv.AppName))
+	buffer.WriteString(fmt.Sprintf("        for <%s>; %s\r\n", to[0], now))
+	return buffer.Bytes()
+}
+
+// Determine allowed authentication mechanisms.
+// RFC 4954 specifies that plaintext authentication mechanisms such as LOGIN and PLAIN require a TLS connection.
+// This can be explicitly overridden e.g. setting s.srv.AuthMechs["LOGIN"] = true.
+func (s *session) authMechs() (mechs map[string]bool) {
+	mechs = map[string]bool{"LOGIN": s.tls, "PLAIN": s.tls, "CRAM-MD5": true}
+
+	for mech := range mechs {
+		allowed, found := s.srv.AuthMechs[mech]
+		if found {
+			mechs[mech] = allowed
+		}
+	}
+
+	return
+}
+
+// Create the greeting string sent in response to an EHLO command.
+func (s *session) makeEHLOResponse() (response string) {
+	response = fmt.Sprintf("250-%s greets %s\r\n", s.srv.Hostname, s.remoteName)
+
+	// RFC 1870 specifies that "SIZE 0" indicates no maximum size is in force.
+	response += fmt.Sprintf("250-SIZE %d\r\n", s.srv.MaxSize)
+
+	// Only list STARTTLS if TLS is configured, but not currently in use.
+	if s.srv.TLSConfig != nil && !s.tls {
+		response += "250-STARTTLS\r\n"
+	}
+
+	// Only list AUTH if an AuthHandler is configured and at least one mechanism is allowed.
+	if s.srv.AuthHandler != nil {
+		var mechs []string
+		for mech, allowed := range s.authMechs() {
+			if allowed {
+				mechs = append(mechs, mech)
+			}
+		}
+		if len(mechs) > 0 {
+			response += "250-AUTH " + strings.Join(mechs, " ") + "\r\n"
+		}
+	}
+
+	response += "250 ENHANCEDSTATUSCODES"
+	return
+}
+
+func (s *session) handleAuthLogin(arg string) (bool, error) {
+	var err error
+
+	if arg == "" {
+		s.writef("334 " + base64.StdEncoding.EncodeToString([]byte("Username:")))
+		arg, err = s.readLine()
+		if err != nil {
+			return false, err
+		}
+	}
+
+	username, err := base64.StdEncoding.DecodeString(arg)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	s.writef("334 " + base64.StdEncoding.EncodeToString([]byte("Password:")))
+	line, err := s.readLine()
+	if err != nil {
+		return false, err
+	}
+
+	password, err := base64.StdEncoding.DecodeString(line)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	// Validate credentials.
+	authenticated, err := s.srv.AuthHandler(s.conn.RemoteAddr(), "LOGIN", username, password, nil)
+
+	return authenticated, err
+}
+
+func (s *session) handleAuthPlain(arg string) (bool, error) {
+	var err error
+
+	// If fast mode (AUTH PLAIN [arg]) is not used, prompt for credentials.
+	if arg == "" {
+		s.writef("334 ")
+		arg, err = s.readLine()
+		if err != nil {
+			return false, err
+		}
+	}
+
+	data, err := base64.StdEncoding.DecodeString(arg)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	parts := bytes.Split(data, []byte{0})
+	if len(parts) != 3 {
+		return false, errors.New("501 5.5.2 Syntax error (unable to parse)")
+	}
+
+	// Validate credentials.
+	authenticated, err := s.srv.AuthHandler(s.conn.RemoteAddr(), "PLAIN", parts[1], parts[2], nil)
+
+	return authenticated, err
+}
+
+func (s *session) handleAuthCramMD5() (bool, error) {
+	shared := "<" + strconv.Itoa(os.Getpid()) + "." + strconv.Itoa(time.Now().Nanosecond()) + "@" + s.srv.Hostname + ">"
+
+	s.writef("334 " + base64.StdEncoding.EncodeToString([]byte(shared)))
+
+	data, err := s.readLine()
+	if err != nil {
+		return false, err
+	}
+
+	if data == "*" {
+		return false, errors.New("501 5.7.0 Authentication cancelled")
+	}
+
+	buf, err := base64.StdEncoding.DecodeString(data)
+	if err != nil {
+		return false, errors.New("501 5.5.2 Syntax error (unable to decode)")
+	}
+
+	fields := strings.Split(string(buf), " ")
+	if len(fields) < 2 {
+		return false, errors.New("501 5.5.2 Syntax error (unable to parse)")
+	}
+
+	// Validate credentials.
+	authenticated, err := s.srv.AuthHandler(s.conn.RemoteAddr(), "CRAM-MD5", []byte(fields[0]), []byte(fields[1]), []byte(shared))
+
+	return authenticated, err
+}

server/smtpd/relay.go

@@ -1,6 +1,10 @@
 package smtpd
 
 import (
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net/smtp"
 	"strings"
 
 	"github.com/axllent/mailpit/config"
@@ -26,7 +30,7 @@ func autoRelayMessage(from string, to []string, data *[]byte) {
 	}
 
 	if config.SMTPRelayAll {
-		if err := Send(from, to, *data); err != nil {
+		if err := Relay(from, to, *data); err != nil {
 			logger.Log().Errorf("[smtp] error relaying message: %s", err.Error())
 		} else {
 			logger.Log().Debugf("[smtp] auto-relay message to %s from %s via %s:%d",
@@ -44,7 +48,7 @@ func autoRelayMessage(from string, to []string, data *[]byte) {
 			return
 		}
 
-		if err := Send(from, filtered, *data); err != nil {
+		if err := Relay(from, filtered, *data); err != nil {
 			logger.Log().Errorf("[smtp] error relaying message: %s", err.Error())
 		} else {
 			logger.Log().Debugf("[smtp] auto-relay message to %s from %s via %s:%d",
@@ -52,3 +56,107 @@ func autoRelayMessage(from string, to []string, data *[]byte) {
 		}
 	}
 }
+
+// Relay will connect to a pre-configured SMTP server and send a message to one or more recipients.
+func Relay(from string, to []string, msg []byte) error {
+	addr := fmt.Sprintf("%s:%d", config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
+
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		return fmt.Errorf("error connecting to %s: %s", addr, err.Error())
+	}
+
+	defer c.Close()
+
+	if config.SMTPRelayConfig.STARTTLS {
+		conf := &tls.Config{ServerName: config.SMTPRelayConfig.Host} // #nosec
+
+		conf.InsecureSkipVerify = config.SMTPRelayConfig.AllowInsecure
+
+		if err = c.StartTLS(conf); err != nil {
+			return fmt.Errorf("error creating StartTLS config: %s", err.Error())
+		}
+	}
+
+	auth := relayAuthFromConfig()
+
+	if auth != nil {
+		if err = c.Auth(auth); err != nil {
+			return fmt.Errorf("error response to AUTH command: %s", err.Error())
+		}
+	}
+
+	if err = c.Mail(from); err != nil {
+		return fmt.Errorf("error response to MAIL command: %s", err.Error())
+	}
+
+	for _, addr := range to {
+		if err = c.Rcpt(addr); err != nil {
+			logger.Log().Warnf("error response to RCPT command for %s: %s", addr, err.Error())
+		}
+	}
+
+	w, err := c.Data()
+	if err != nil {
+		return fmt.Errorf("error response to DATA command: %s", err.Error())
+	}
+
+	if _, err := w.Write(msg); err != nil {
+		return fmt.Errorf("error sending message: %s", err.Error())
+	}
+
+	if err := w.Close(); err != nil {
+		return fmt.Errorf("error closing connection: %s", err.Error())
+	}
+
+	return c.Quit()
+}
+
+// Return the SMTP relay authentication based on config
+func relayAuthFromConfig() smtp.Auth {
+	var a smtp.Auth
+
+	if config.SMTPRelayConfig.Auth == "plain" {
+		a = smtp.PlainAuth("", config.SMTPRelayConfig.Username, config.SMTPRelayConfig.Password, config.SMTPRelayConfig.Host)
+	}
+
+	if config.SMTPRelayConfig.Auth == "login" {
+		a = LoginAuth(config.SMTPRelayConfig.Username, config.SMTPRelayConfig.Password)
+	}
+
+	if config.SMTPRelayConfig.Auth == "cram-md5" {
+		a = smtp.CRAMMD5Auth(config.SMTPRelayConfig.Username, config.SMTPRelayConfig.Secret)
+	}
+
+	return a
+}
+
+// Custom implementation of LOGIN SMTP authentication
+// @see https://gist.github.com/andelf/5118732
+type loginAuth struct {
+	username, password string
+}
+
+// LoginAuth authentication
+func LoginAuth(username, password string) smtp.Auth {
+	return &loginAuth{username, password}
+}
+
+func (a *loginAuth) Start(_ *smtp.ServerInfo) (string, []byte, error) {
+	return "LOGIN", []byte{}, nil
+}
+
+func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
+	if more {
+		switch string(fromServer) {
+		case "Username:":
+			return []byte(a.username), nil
+		case "Password:":
+			return []byte(a.password), nil
+		default:
+			return nil, errors.New("Unknown fromServer")
+		}
+	}
+
+	return nil, nil
+}

server/smtpd/server.go

@@ -14,22 +14,26 @@ import (
 	"github.com/axllent/mailpit/internal/logger"
 	"github.com/axllent/mailpit/internal/stats"
 	"github.com/axllent/mailpit/internal/storage"
+	"github.com/axllent/mailpit/internal/tools"
+	"github.com/axllent/mailpit/server/websockets"
 	"github.com/lithammer/shortuuid/v4"
-	"github.com/mhale/smtpd"
 )
 
 var (
 	// DisableReverseDNS allows rDNS to be disabled
 	DisableReverseDNS bool
+
+	warningResponse = regexp.MustCompile(`^4\d\d `)
+	errorResponse   = regexp.MustCompile(`^5\d\d `)
 )
 
 // MailHandler handles the incoming message to store in the database
 func mailHandler(origin net.Addr, from string, to []string, data []byte) (string, error) {
-	return Store(origin, from, to, data)
+	return SaveToDatabase(origin, from, to, data)
 }
 
-// Store will attempt to save a message to the database
-func Store(origin net.Addr, from string, to []string, data []byte) (string, error) {
+// SaveToDatabase will attempt to save a message to the database
+func SaveToDatabase(origin net.Addr, from string, to []string, data []byte) (string, error) {
 	if !config.SMTPStrictRFCHeaders {
 		// replace all <CR><CR><LF> (\r\r\n) with <CR><LF> (\r\n)
 		// @see https://github.com/axllent/mailpit/issues/87 & https://github.com/axllent/mailpit/issues/153
@@ -38,7 +42,7 @@ func Store(origin net.Addr, from string, to []string, data []byte) (string, erro
 
 	msg, err := mail.ReadMessage(bytes.NewReader(data))
 	if err != nil {
-		logger.Log().Errorf("[smtpd] error parsing message: %s", err.Error())
+		logger.Log().Warnf("[smtpd] error parsing message: %s", err.Error())
 		stats.LogSMTPRejected()
 		return "", err
 	}
@@ -189,42 +193,51 @@ func Listen() error {
 		}
 	}
 
-	smtpType := "no encryption"
-
-	if config.SMTPTLSCert != "" {
-		if config.SMTPRequireSTARTTLS {
-			smtpType = "STARTTLS required"
-		} else if config.SMTPRequireTLS {
-			smtpType = "SSL/TLS required"
-		} else {
-			smtpType = "STARTTLS optional"
-			if !config.SMTPAuthAllowInsecure && auth.SMTPCredentials != nil {
-				smtpType = "STARTTLS required"
-			}
-		}
-
-	}
-
-	logger.Log().Infof("[smtpd] starting on %s (%s)", config.SMTPListen, smtpType)
-
 	return listenAndServe(config.SMTPListen, mailHandler, authHandler)
 }
 
-func listenAndServe(addr string, handler smtpd.MsgIDHandler, authHandler smtpd.AuthHandler) error {
-	srv := &smtpd.Server{
+// Translate the smtpd verb from READ/WRITE
+func verbLogTranslator(verb string) string {
+	if verb == "READ" {
+		return "received"
+	}
+
+	return "response"
+}
+
+func listenAndServe(addr string, handler MsgIDHandler, authHandler AuthHandler) error {
+
+	socketAddr, perm, isSocket := tools.UnixSocket(addr)
+
+	Debug = true // to enable Mailpit logging
+	srv := &Server{
 		Addr:              addr,
 		MsgIDHandler:      handler,
 		HandlerRcpt:       handlerRcpt,
-		Appname:           "Mailpit",
+		AppName:           "Mailpit",
 		Hostname:          "",
 		AuthHandler:       nil,
 		AuthRequired:      false,
 		MaxRecipients:     config.SMTPMaxRecipients,
 		DisableReverseDNS: DisableReverseDNS,
+		LogRead: func(remoteIP, verb, line string) {
+			logger.Log().Debugf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+		},
+		LogWrite: func(remoteIP, verb, line string) {
+			if warningResponse.MatchString(line) {
+				logger.Log().Warnf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+				websockets.BroadCastClientError("warning", "smtpd", remoteIP, line)
+			} else if errorResponse.MatchString(line) {
+				logger.Log().Errorf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+				websockets.BroadCastClientError("error", "smtpd", remoteIP, line)
+			} else {
+				logger.Log().Debugf("[smtpd] %s (%s) %s", verbLogTranslator(verb), remoteIP, line)
+			}
+		},
 	}
 
 	if config.Label != "" {
-		srv.Appname = fmt.Sprintf("Mailpit (%s)", config.Label)
+		srv.AppName = fmt.Sprintf("Mailpit (%s)", config.Label)
 	}
 
 	if config.SMTPAuthAllowInsecure {
@@ -248,6 +261,39 @@ func listenAndServe(addr string, handler smtpd.MsgIDHandler, authHandler smtpd.A
 		}
 	}
 
+	if isSocket {
+		srv.Addr = socketAddr
+		srv.Protocol = "unix"
+		srv.SocketPerm = perm
+
+		if err := tools.PrepareSocket(srv.Addr); err != nil {
+			storage.Close()
+			return err
+		}
+
+		// delete the Unix socket file on exit
+		storage.AddTempFile(srv.Addr)
+
+		logger.Log().Infof("[smtpd] starting on %s", config.SMTPListen)
+	} else {
+		smtpType := "no encryption"
+
+		if config.SMTPTLSCert != "" {
+			if config.SMTPRequireSTARTTLS {
+				smtpType = "STARTTLS required"
+			} else if config.SMTPRequireTLS {
+				smtpType = "SSL/TLS required"
+			} else {
+				smtpType = "STARTTLS optional"
+				if !config.SMTPAuthAllowInsecure && auth.SMTPCredentials != nil {
+					smtpType = "STARTTLS required"
+				}
+			}
+		}
+
+		logger.Log().Infof("[smtpd] starting on %s (%s)", config.SMTPListen, smtpType)
+	}
+
 	return srv.ListenAndServe()
 }
 

server/smtpd/smtp.go

@@ -1,115 +0,0 @@
-package smtpd
-
-import (
-	"crypto/tls"
-	"errors"
-	"fmt"
-	"net/smtp"
-
-	"github.com/axllent/mailpit/config"
-	"github.com/axllent/mailpit/internal/logger"
-)
-
-// Send will connect to a pre-configured SMTP server and send a message to one or more recipients.
-func Send(from string, to []string, msg []byte) error {
-	addr := fmt.Sprintf("%s:%d", config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
-
-	c, err := smtp.Dial(addr)
-	if err != nil {
-		return fmt.Errorf("error connecting to %s: %s", addr, err.Error())
-	}
-
-	defer c.Close()
-
-	if config.SMTPRelayConfig.STARTTLS {
-		conf := &tls.Config{ServerName: config.SMTPRelayConfig.Host} // #nosec
-
-		conf.InsecureSkipVerify = config.SMTPRelayConfig.AllowInsecure
-
-		if err = c.StartTLS(conf); err != nil {
-			return fmt.Errorf("error creating StartTLS config: %s", err.Error())
-		}
-	}
-
-	auth := relayAuthFromConfig()
-
-	if auth != nil {
-		if err = c.Auth(auth); err != nil {
-			return fmt.Errorf("error response to AUTH command: %s", err.Error())
-		}
-	}
-
-	if err = c.Mail(from); err != nil {
-		return fmt.Errorf("error response to MAIL command: %s", err.Error())
-	}
-
-	for _, addr := range to {
-		if err = c.Rcpt(addr); err != nil {
-			logger.Log().Warnf("error response to RCPT command for %s: %s", addr, err.Error())
-		}
-	}
-
-	w, err := c.Data()
-	if err != nil {
-		return fmt.Errorf("error response to DATA command: %s", err.Error())
-	}
-
-	if _, err := w.Write(msg); err != nil {
-		return fmt.Errorf("error sending message: %s", err.Error())
-	}
-
-	if err := w.Close(); err != nil {
-		return fmt.Errorf("error closing connection: %s", err.Error())
-	}
-
-	return c.Quit()
-}
-
-// Return the SMTP relay authentication based on config
-func relayAuthFromConfig() smtp.Auth {
-	var a smtp.Auth
-
-	if config.SMTPRelayConfig.Auth == "plain" {
-		a = smtp.PlainAuth("", config.SMTPRelayConfig.Username, config.SMTPRelayConfig.Password, config.SMTPRelayConfig.Host)
-	}
-
-	if config.SMTPRelayConfig.Auth == "login" {
-		a = LoginAuth(config.SMTPRelayConfig.Username, config.SMTPRelayConfig.Password)
-	}
-
-	if config.SMTPRelayConfig.Auth == "cram-md5" {
-		a = smtp.CRAMMD5Auth(config.SMTPRelayConfig.Username, config.SMTPRelayConfig.Secret)
-	}
-
-	return a
-}
-
-// Custom implementation of LOGIN SMTP authentication
-// @see https://gist.github.com/andelf/5118732
-type loginAuth struct {
-	username, password string
-}
-
-// LoginAuth authentication
-func LoginAuth(username, password string) smtp.Auth {
-	return &loginAuth{username, password}
-}
-
-func (a *loginAuth) Start(_ *smtp.ServerInfo) (string, []byte, error) {
-	return "LOGIN", []byte{}, nil
-}
-
-func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
-	if more {
-		switch string(fromServer) {
-		case "Username:":
-			return []byte(a.username), nil
-		case "Password:":
-			return []byte(a.password), nil
-		default:
-			return nil, errors.New("Unknown fromServer")
-		}
-	}
-
-	return nil, nil
-}

server/ui-src/app.js

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

server/ui-src/assets/styles.scss

@@ -91,44 +91,6 @@
 	}
 }
 
-.about-mailpit {
-	@include media-breakpoint-down(md) {
-		width: var(--bs-offcanvas-width);
-		margin-left: -1rem !important;
-	}
-}
-
-.message {
-	.subject {
-		color: $text-muted;
-
-		b {
-			color: $list-group-color;
-		}
-
-		small {
-			opacity: 0.5;
-		}
-	}
-
-	&.read {
-		color: $text-muted;
-
-		b {
-			opacity: 0.7;
-			font-weight: normal;
-			color: $list-group-color;
-		}
-
-		small {
-			opacity: 0.5;
-		}
-	}
-	&.selected {
-		background: var(--bs-primary-bg-subtle);
-	}
-}
-
 .text-spaces-nowrap {
 	white-space: pre;
 }
@@ -266,8 +228,35 @@
 	}
 }
 
-.list-group-item.message:first-child {
-	border-top: 0;
+#message-page {
+	.list-group-item.message:first-child {
+		border-top: 0;
+	}
+
+	.message {
+		.subject {
+			color: $text-muted;
+
+			b {
+				color: $list-group-color;
+			}
+
+			small {
+				opacity: 0.5;
+			}
+		}
+
+		&.read {
+			color: $text-muted;
+
+			b {
+				color: $list-group-color;
+			}
+		}
+		&.selected {
+			background: var(--bs-primary-bg-subtle);
+		}
+	}
 }
 
 body.blur {
@@ -320,6 +309,18 @@ body.blur {
 	display: none;
 }
 
+.message {
+	&.read {
+		> div {
+			opacity: 0.7;
+		}
+
+		b {
+			font-weight: normal;
+		}
+	}
+}
+
 #message-view {
 	.form-control.dropdown {
 		padding: 0;

server/ui-src/components/AboutMailpit.vue

@@ -54,14 +54,13 @@ export default {
 
 <template>
 	<template v-if="!modals">
-		<div
-			class="position-fixed bg-body bottom-0 ms-n1 py-2 text-muted small col-xl-2 col-md-3 pe-3 z-3 about-mailpit">
-			<button class="text-muted btn btn-sm" v-on:click="loadInfo">
+		<div class="bg-body ms-sm-n1 me-sm-n1 py-2 text-muted small about-mailpit">
+			<button class="text-muted btn btn-sm ps-0" v-on:click="loadInfo()">
 				<i class="bi bi-info-circle-fill me-1"></i>
 				About
 			</button>
 
-			<button class="btn btn-sm btn-outline-secondary float-end me-2" data-bs-toggle="modal"
+			<button class="btn btn-sm btn-outline-secondary float-end" data-bs-toggle="modal"
 				data-bs-target="#SettingsModal" title="Mailpit UI settings">
 				<i class="bi bi-gear-fill"></i>
 			</button>
@@ -152,7 +151,7 @@ export default {
 									<div class="card-header h4">
 										Runtime statistics
 										<button class="btn btn-sm btn-outline-secondary float-end"
-											v-on:click="loadInfo">
+											v-on:click="loadInfo()">
 											Refresh
 										</button>
 									</div>
@@ -183,8 +182,8 @@ export default {
 														{{ formatNumber(mailbox.appInfo.RuntimeStats.SMTPAccepted) }}
 														<small class="text-secondary">
 															({{
-		getFileSize(mailbox.appInfo.RuntimeStats.SMTPAcceptedSize)
-	}})
+																getFileSize(mailbox.appInfo.RuntimeStats.SMTPAcceptedSize)
+															}})
 														</small>
 													</td>
 												</tr>

server/ui-src/components/ListMessages.vue

@@ -20,9 +20,12 @@ export default {
 		}
 	},
 
-	mounted() {
+	created() {
 		const relativeTime = require('dayjs/plugin/relativeTime')
 		dayjs.extend(relativeTime)
+	},
+
+	mounted() {
 		this.refreshUI()
 	},
 
@@ -122,7 +125,8 @@ export default {
 				:id="message.ID"
 				class="row gx-1 message d-flex small list-group-item list-group-item-action border-start-0 border-end-0"
 				:class="message.Read ? 'read' : '', isSelected(message.ID) ? 'selected' : ''"
-				v-on:click.ctrl="toggleSelected($event, message.ID)" v-on:click.shift="selectRange($event, message.ID)">
+				@click.meta="toggleSelected($event, message.ID)" @click.ctrl="toggleSelected($event, message.ID)"
+				@click.shift="selectRange($event, message.ID)">
 				<div class="col-lg-3">
 					<div class="d-lg-none float-end text-muted text-nowrap small">
 						<i class="bi bi-paperclip h6 me-1" v-if="message.Attachments"></i>
@@ -139,7 +143,7 @@ export default {
 						</b>
 					</div>
 					<div class="d-none d-lg-block text-truncate text-muted small privacy">
-						{{ getPrimaryEmailTo(message) }}
+						To: {{ getPrimaryEmailTo(message) }}
 						<span v-if="message.To && message.To.length > 1">
 							[+{{ message.To.length - 1 }}]
 						</span>

server/ui-src/components/NavMailbox.vue

@@ -65,9 +65,10 @@ export default {
 
 <template>
 	<template v-if="!modals">
-		<div class="text-center badge text-bg-primary py-2 mt-2 w-100 text-truncate fw-normal"
-			v-if="mailbox.uiConfig.Label">
-			{{ mailbox.uiConfig.Label }}
+		<div class="text-center badge text-bg-primary py-2 my-2 w-100" v-if="mailbox.uiConfig.Label">
+			<div class="text-truncate fw-normal">
+				{{ mailbox.uiConfig.Label }}
+			</div>
 		</div>
 
 		<div class="list-group my-2" :class="mailbox.uiConfig.Label ? 'mt-0' : ''">

server/ui-src/components/NavSearch.vue

@@ -52,9 +52,10 @@ export default {
 
 <template>
 	<template v-if="!modals">
-		<div class="text-center badge text-bg-primary py-2 mt-2 w-100 text-truncate fw-normal"
-			v-if="mailbox.uiConfig.Label">
-			{{ mailbox.uiConfig.Label }}
+		<div class="text-center badge text-bg-primary py-2 my-2 w-100" v-if="mailbox.uiConfig.Label">
+			<div class="text-truncate fw-normal">
+				{{ mailbox.uiConfig.Label }}
+			</div>
 		</div>
 
 		<div class="list-group my-2" :class="mailbox.uiConfig.Label ? 'mt-0' : ''">

server/ui-src/components/NavTags.vue

@@ -6,8 +6,6 @@ import { pagination } from '../stores/pagination'
 export default {
 	mixins: [CommonMixins],
 
-	emits: ['loadMessages'],
-
 	data() {
 		return {
 			mailbox,
@@ -24,7 +22,7 @@ export default {
 				return false
 			}
 
-			let re = new RegExp(`(^|\\s)tag:"?${tag}"?($|\\s)`, 'i')
+			let re = new RegExp(`(^|\\s)tag:("${tag}"|${tag}\\b)`, 'i')
 			return query.match(re)
 		},
 
@@ -82,7 +80,7 @@ export default {
 <template>
 	<template v-if="mailbox.tags && mailbox.tags.length">
 		<div class="mt-4 text-muted">
-			<button class="btn btn-sm dropdown-toggle ms-n1" data-bs-toggle="dropdown" aria-expanded="false">
+			<button class="btn btn-sm dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
 				Tags
 			</button>
 			<ul class="dropdown-menu dropdown-menu-end">
@@ -100,9 +98,9 @@ export default {
 				</li>
 			</ul>
 		</div>
-		<div class="list-group mt-1 mb-5 pb-3">
-			<RouterLink v-for="tag in mailbox.tags" :to="toTagUrl(tag)" @click="hideNav"
-				v-on:click="pagination.start = 0" v-on:click.ctrl="toggleTag($event, tag)"
+		<div class="list-group mt-1 mb-2">
+			<RouterLink v-for="tag in mailbox.tags" :to="toTagUrl(tag)" @click.exact="hideNav"
+				@click="pagination.start = 0" @click.meta="toggleTag($event, tag)" @click.ctrl="toggleTag($event, tag)"
 				:style="mailbox.showTagColors ? { borderLeftColor: colorHash(tag), borderLeftWidth: '4px' } : ''"
 				class="list-group-item list-group-item-action small px-2" :class="inSearch(tag) ? 'active' : ''">
 				<i class="bi bi-tag-fill" v-if="inSearch(tag)"></i>

server/ui-src/components/Notifications.vue

@@ -7,6 +7,9 @@ import { pagination } from '../stores/pagination'
 export default {
 	mixins: [CommonMixins],
 
+	// global event bus to handle message status changes
+	inject: ["eventBus"],
+
 	data() {
 		return {
 			pagination,
@@ -18,7 +21,7 @@ export default {
 			socketBreaks: 0, // to track sockets that continually connect & disconnect, reset every 15s
 			pauseNotifications: false, // prevent spamming
 			version: false,
-			paginationDelayed: false, // for delayed pagination URL changes
+			clientErrors: [], // errors received via websocket 
 		}
 	},
 
@@ -37,6 +40,8 @@ export default {
 		mailbox.notificationsSupported = window.isSecureContext
 			&& ("Notification" in window && Notification.permission !== "denied")
 		mailbox.notificationsEnabled = mailbox.notificationsSupported && Notification.permission == "granted"
+
+		this.errorNotificationCron()
 	},
 
 	methods: {
@@ -53,20 +58,7 @@ export default {
 
 				// new messages
 				if (response.Type == "new" && response.Data) {
-					if (!mailbox.searching) {
-						if (pagination.start < 1) {
-							// push results directly into first page
-							mailbox.messages.unshift(response.Data)
-							if (mailbox.messages.length > pagination.limit) {
-								mailbox.messages.pop()
-							}
-						} else {
-							// update pagination offset
-							pagination.start++
-							// prevent "Too many calls to Location or History APIs within a short timeframe"
-							this.delayedPaginationUpdate()
-						}
-					}
+					this.eventBus.emit("new", response.Data)
 
 					for (let i in response.Data.Tags) {
 						if (mailbox.tags.findIndex(e => { return e.toLowerCase() === response.Data.Tags[i].toLowerCase() }) < 0) {
@@ -91,6 +83,7 @@ export default {
 					window.scrollInPlace = true
 					mailbox.refresh = true // trigger refresh
 					window.setTimeout(() => { mailbox.refresh = false }, 500)
+					this.eventBus.emit("prune");
 				} else if (response.Type == "stats" && response.Data) {
 					// refresh mailbox stats
 					mailbox.total = response.Data.Total
@@ -100,6 +93,18 @@ export default {
 					if (this.version != response.Data.Version) {
 						location.reload()
 					}
+				} else if (response.Type == "delete" && response.Data) {
+					// broadcast for components
+					this.eventBus.emit("delete", response.Data)
+				} else if (response.Type == "update" && response.Data) {
+					// broadcast for components
+					this.eventBus.emit("update", response.Data)
+				} else if (response.Type == "truncate") {
+					// broadcast for components
+					this.eventBus.emit("truncate")
+				} else if (response.Type == "error") {
+					// broadcast for components
+					this.addClientError(response.Data)
 				}
 			}
 
@@ -158,39 +163,6 @@ export default {
 			}, 15000)
 		},
 
-		// This will only update the pagination offset at a maximum of 2x per second
-		// when viewing the inbox on > page 1, while receiving an influx of new messages.
-		delayedPaginationUpdate() {
-			if (this.paginationDelayed) {
-				return
-			}
-
-			this.paginationDelayed = true
-
-			window.setTimeout(() => {
-				const path = this.$route.path
-				const p = {
-					...this.$route.query
-				}
-				if (pagination.start > 0) {
-					p.start = pagination.start.toString()
-				} else {
-					delete p.start
-				}
-				if (pagination.limit != pagination.defaultLimit) {
-					p.limit = pagination.limit.toString()
-				} else {
-					delete p.limit
-				}
-
-				mailbox.autoPaginating = false // prevent reload of messages when URL changes
-				const params = new URLSearchParams(p)
-				this.$router.replace(path + '?' + params.toString())
-
-				this.paginationDelayed = false
-			}, 500)
-		},
-
 		browserNotify(title, message) {
 			if (!("Notification" in window)) {
 				return
@@ -229,12 +201,43 @@ export default {
 				Toast.getOrCreateInstance(el).hide()
 			}
 		},
+
+		addClientError(d) {
+			d.expire = Date.now() + 5000 // expire after 5s
+			this.clientErrors.push(d)
+		},
+
+		errorNotificationCron() {
+			window.setTimeout(() => {
+				this.clientErrors.forEach((err, idx) => {
+					if (err.expire < Date.now()) {
+						this.clientErrors.splice(idx, 1)
+					}
+				})
+				this.errorNotificationCron()
+			}, 1000)
+		}
 	},
 }
 </script>
 
 <template>
 	<div class="toast-container position-fixed bottom-0 end-0 p-3">
+		<div v-for="error in clientErrors" class="toast show" role="alert" aria-live="assertive" aria-atomic="true">
+			<div class="toast-header">
+				<svg class="bd-placeholder-img rounded me-2" width="20" height="20" xmlns="http://www.w3.org/2000/svg"
+					aria-hidden="true" preserveAspectRatio="xMidYMid slice" focusable="false">
+					<rect width="100%" height="100%" :fill="error.Level == 'warning' ? '#ffc107' : '#dc3545'"></rect>
+				</svg>
+				<strong class="me-auto">{{ error.Type }}</strong>
+				<small class="text-body-secondary">{{ error.IP }}</small>
+				<button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
+			</div>
+			<div class="toast-body">
+				{{ error.Message }}
+			</div>
+		</div>
+
 		<div id="messageToast" class="toast" role="alert" aria-live="assertive" aria-atomic="true">
 			<div class="toast-header" v-if="toastMessage">
 				<i class="bi bi-envelope-exclamation-fill me-2"></i>

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

@@ -1,5 +1,5 @@
 <script>
-import Donut from 'vue-css-donut-chart/src/components/Donut.vue'
+import { VcDonut } from 'vue-css-donut-chart'
 import axios from 'axios'
 import commonMixins from '../../mixins/CommonMixins'
 import { Tooltip } from 'bootstrap'
@@ -10,7 +10,7 @@ export default {
 	},
 
 	components: {
-		Donut,
+		VcDonut,
 	},
 
 	emits: ["setHtmlScore", "setBadgeStyle"],
@@ -299,7 +299,7 @@ export default {
 		<div class="mt-5 mb-3">
 			<div class="row w-100">
 				<div class="col-md-8">
-					<Donut :sections="graphSections" background="var(--bs-body-bg)" :size="180" unit="px"
+					<vc-donut :sections="graphSections" background="var(--bs-body-bg)" :size="180" unit="px"
 						:thickness="20" has-legend legend-placement="bottom" :total="100" :start-angle="0"
 						:auto-adjust-text-size="true" @section-click="scrollToWarnings">
 						<h2 class="m-0" :class="scoreColor" @click="scrollToWarnings">
@@ -327,7 +327,7 @@ export default {
 								calculated from {{ formatNumber(check.Total.Tests) }} tests
 							</p>
 						</template>
-					</Donut>
+					</vc-donut>
 
 					<div class="input-group justify-content-center mb-3">
 						<button class="btn btn-outline-secondary" data-bs-toggle="modal"

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

@@ -9,6 +9,7 @@ import Tags from 'bootstrap5-tags'
 import { Tooltip } from 'bootstrap'
 import commonMixins from '../../mixins/CommonMixins'
 import { mailbox } from '../../stores/mailbox'
+import DOMPurify from 'dompurify'
 
 export default {
 	props: {
@@ -73,6 +74,57 @@ export default {
 			return (mailbox.showHTMLCheck && this.message.HTML)
 				|| mailbox.showLinkCheck
 				|| (mailbox.showSpamCheck && mailbox.uiConfig.SpamAssassin)
+		},
+
+		// remove bad HTML, JavaScript, iframes etc
+		sanitizedHTML() {
+			DOMPurify.addHook('afterSanitizeAttributes', (node) => {
+				if (node.hasAttribute('href') && node.getAttribute('href').substring(0, 1) == '#') {
+					return
+				}
+				if ('target' in node) {
+					node.setAttribute('target', '_blank');
+					node.setAttribute('rel', 'noopener noreferrer');
+				}
+				if (!node.hasAttribute('target') && (node.hasAttribute('xlink:href') || node.hasAttribute('href'))) {
+					node.setAttribute('xlink:show', '_blank');
+				}
+			});
+
+			const clean = DOMPurify.sanitize(
+				this.message.HTML,
+				{
+					WHOLE_DOCUMENT: true,
+					SANITIZE_DOM: false,
+					ADD_TAGS: [
+						'link',
+						'meta',
+						'o:p',
+						'style',
+					],
+					ADD_ATTR: [
+						'bordercolor',
+						'charset',
+						'content',
+						'hspace',
+						'http-equiv',
+						'itemprop',
+						'itemscope',
+						'itemtype',
+						'link',
+						'vertical-align',
+						'vlink',
+						'vspace',
+						'xml:lang'
+					],
+					FORBID_ATTR: ['script'],
+				}
+			)
+
+			// for debugging
+			// this.debugDOMPurify(DOMPurify.removed)
+
+			return clean
 		}
 	},
 
@@ -130,23 +182,25 @@ 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
+			// delay 0.5s until vue has rendered the iframe content
 			window.setTimeout(() => {
 				let p = document.getElementById('preview-html')
-				if (p) {
-					// make links open in new window
-					let anchorEls = p.contentWindow.document.body.querySelectorAll('a')
-					for (var i = 0; i < anchorEls.length; i++) {
-						let anchorEl = anchorEls[i]
-						let href = anchorEl.getAttribute('href')
+				if (p && typeof p.contentWindow.document.body == 'object') {
+					try {
+						// make links open in new window
+						let anchorEls = p.contentWindow.document.body.querySelectorAll('a')
+						for (var i = 0; i < anchorEls.length; i++) {
+							let anchorEl = anchorEls[i]
+							let href = anchorEl.getAttribute('href')
 
-						if (href && href.match(/^http/)) {
-							anchorEl.setAttribute('target', '_blank')
+							if (href && href.match(/^https?:\/\//i)) {
+								anchorEl.setAttribute('target', '_blank')
+							}
 						}
-					}
+					} catch (error) { }
 					this.resizeIFrames()
 				}
-			}, 200)
+			}, 500)
 
 			// html highlighting
 			window.Prism = window.Prism || {}
@@ -156,7 +210,9 @@ export default {
 
 		resizeIframe(el) {
 			let i = el.target
-			i.style.height = i.contentWindow.document.body.scrollHeight + 50 + 'px'
+			if (typeof i.contentWindow.document.body.scrollHeight == 'number') {
+				i.style.height = i.contentWindow.document.body.scrollHeight + 50 + 'px'
+			}
 		},
 
 		resizeIFrames() {
@@ -165,7 +221,9 @@ export default {
 			}
 			let h = document.getElementById('preview-html')
 			if (h) {
-				h.style.height = h.contentWindow.document.body.scrollHeight + 50 + 'px'
+				if (typeof h.contentWindow.document.body.scrollHeight == 'number') {
+					h.style.height = h.contentWindow.document.body.scrollHeight + 50 + 'px'
+				}
 			}
 
 		},
@@ -185,9 +243,31 @@ export default {
 			this.resizeIframe(el)
 		},
 
-		sanitizeHTML(h) {
-			// remove <base/> tag if set
-			return h.replace(/<base .*>/mi, '')
+		// this function is unused but kept here to use for debugging
+		debugDOMPurify(removed) {
+			if (!removed.length) {
+				return
+			}
+
+			const ignoreNodes = ['target', 'base', 'script', 'v:shapes']
+
+			let d = removed.filter((r) => {
+				if (typeof r.attribute != 'undefined' &&
+					(ignoreNodes.includes(r.attribute.nodeName) || r.attribute.nodeName.startsWith('xmlns:'))
+				) {
+					return false
+				}
+				// inline comments
+				if (typeof r.element != 'undefined' && (r.element.nodeType == 8 || r.element.tagName == 'SCRIPT')) {
+					return false
+				}
+
+				return true
+			})
+
+			if (d.length) {
+				console.log(d)
+			}
 		},
 
 		saveTags() {
@@ -232,7 +312,7 @@ export default {
 </script>
 
 <template>
-	<div v-if="message" id="message-view" class="px-2 px-md-0 mh-100" style="overflow-y: scroll;">
+	<div v-if="message" id="message-view" class="px-2 px-md-0 mh-100">
 		<div class="row w-100">
 			<div class="col-md">
 				<table class="messageHeaders">
@@ -292,7 +372,7 @@ 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>
 									<span class="text-spaces">{{ t.Name }}</span>
 									&lt;<a :href="searchURI(t.Address)" class="text-body">
@@ -329,11 +409,13 @@ export default {
 								<small class="text-body-secondary" v-else>[ no subject ]</small>
 							</td>
 						</tr>
-						<tr class="d-md-none small">
+						<tr class="small">
 							<th class="small">Date</th>
-							<td>{{ messageDate(message.Date) }}</td>
+							<td>
+								{{ messageDate(message.Date) }}
+								<small class="ms-2">({{ getFileSize(message.Size) }})</small>
+							</td>
 						</tr>
-
 						<tr class="small">
 							<th>Tags</th>
 							<td>
@@ -510,9 +592,8 @@ export default {
 			<div v-if="message.HTML != ''" class="tab-pane fade show" id="nav-html" role="tabpanel"
 				aria-labelledby="nav-html-tab" tabindex="0">
 				<div id="responsive-view" :class="scaleHTMLPreview" :style="responsiveSizes[scaleHTMLPreview]">
-					<iframe target-blank="" class="tab-pane d-block" id="preview-html"
-						:srcdoc="sanitizeHTML(message.HTML)" v-on:load="resizeIframe" frameborder="0"
-						style="width: 100%; height: 100%; background: #fff;">
+					<iframe target-blank="" class="tab-pane d-block" id="preview-html" :srcdoc="sanitizedHTML"
+						v-on:load="resizeIframe" frameborder="0" style="width: 100%; height: 100%; background: #fff;">
 					</iframe>
 				</div>
 				<Attachments v-if="allAttachments(message).length" :message="message"

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

@@ -1,5 +1,5 @@
 <script>
-import Donut from 'vue-css-donut-chart/src/components/Donut.vue'
+import { VcDonut } from 'vue-css-donut-chart'
 import axios from 'axios'
 import commonMixins from '../../mixins/CommonMixins'
 
@@ -9,7 +9,7 @@ export default {
 	},
 
 	components: {
-		Donut,
+		VcDonut,
 	},
 
 	emits: ["setSpamScore", "setBadgeStyle"],
@@ -156,7 +156,7 @@ export default {
 	<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"
+				<vc-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
@@ -165,7 +165,7 @@ export default {
 						<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>
+				</vc-donut>
 			</div>
 			<div class="col-xl-7">
 				<div class="row w-100 py-2 border-bottom">

server/ui-src/mixins/CommonMixins.js

@@ -115,8 +115,10 @@ export default {
 		 * @params function callback function
 		 * @params function error callback function
 		 */
-		get(url, values, callback, errorCallback) {
-			this.loading++
+		get(url, values, callback, errorCallback, hideLoader) {
+			if (!hideLoader) {
+				this.loading++
+			}
 			axios.get(url, { params: values })
 				.then(callback)
 				.catch((err) => {
@@ -128,7 +130,7 @@ export default {
 				})
 				.then(() => {
 					// always executed
-					if (this.loading > 0) {
+					if (!hideLoader && this.loading > 0) {
 						this.loading--
 					}
 				})

server/ui-src/views/MailboxView.vue

@@ -14,6 +14,9 @@ import { pagination } from "../stores/pagination";
 export default {
 	mixins: [CommonMixins, MessagesMixins],
 
+	// global event bus to handle message status changes
+	inject: ["eventBus"],
+
 	components: {
 		AboutMailpit,
 		AjaxLoader,
@@ -27,6 +30,8 @@ export default {
 	data() {
 		return {
 			mailbox,
+			delayedRefresh: false,
+			paginationDelayed: false, // for delayed pagination URL changes
 		}
 	},
 
@@ -40,6 +45,20 @@ export default {
 		mailbox.searching = false
 		this.apiURI = this.resolve(`/api/v1/messages`)
 		this.loadMailbox()
+
+		// subscribe to events
+		this.eventBus.on("new", this.handleWSNew)
+		this.eventBus.on("update", this.handleWSUpdate)
+		this.eventBus.on("delete", this.handleWSDelete)
+		this.eventBus.on("truncate", this.handleWSTruncate)
+	},
+
+	unmounted() {
+		// unsubscribe from events
+		this.eventBus.off("new", this.handleWSNew)
+		this.eventBus.off("update", this.handleWSUpdate)
+		this.eventBus.off("delete", this.handleWSDelete)
+		this.eventBus.off("truncate", this.handleWSTruncate)
 	},
 
 	methods: {
@@ -55,7 +74,100 @@ export default {
 			}
 
 			this.loadMessages()
-		}
+		},
+
+		// This will only update the pagination offset at a maximum of 2x per second
+		// when viewing the inbox on > page 1, while receiving an influx of new messages.
+		delayedPaginationUpdate() {
+			if (this.paginationDelayed) {
+				return
+			}
+
+			this.paginationDelayed = true
+
+			window.setTimeout(() => {
+				const path = this.$route.path
+				const p = {
+					...this.$route.query
+				}
+				if (pagination.start > 0) {
+					p.start = pagination.start.toString()
+				} else {
+					delete p.start
+				}
+				if (pagination.limit != pagination.defaultLimit) {
+					p.limit = pagination.limit.toString()
+				} else {
+					delete p.limit
+				}
+
+				mailbox.autoPaginating = false // prevent reload of messages when URL changes
+				const params = new URLSearchParams(p)
+				this.$router.replace(path + '?' + params.toString())
+
+				this.paginationDelayed = false
+			}, 500)
+		},
+
+		// handler for websocket new messages
+		handleWSNew(data) {
+			if (pagination.start < 1) {
+				// push results directly into first page
+				mailbox.messages.unshift(data)
+				if (mailbox.messages.length > pagination.limit) {
+					mailbox.messages.pop()
+				}
+			} else {
+				// update pagination offset
+				pagination.start++
+				// prevent "Too many calls to Location or History APIs within a short time frame"
+				this.delayedPaginationUpdate()
+			}
+		},
+
+		// handler for websocket message updates
+		handleWSUpdate(data) {
+			for (let x = 0; x < this.mailbox.messages.length; x++) {
+				if (this.mailbox.messages[x].ID == data.ID) {
+					// update message
+					this.mailbox.messages[x] = { ...this.mailbox.messages[x], ...data }
+					return
+				}
+			}
+		},
+
+		// handler for websocket message deletion
+		handleWSDelete(data) {
+			let removed = 0;
+			for (let x = 0; x < this.mailbox.messages.length; x++) {
+				if (this.mailbox.messages[x].ID == data.ID) {
+					// remove message from the list
+					this.mailbox.messages.splice(x, 1)
+					removed++
+					continue
+				}
+			}
+
+			if (!removed || this.delayedRefresh) {
+				// nothing changed on this screen, or a refresh is queued,
+				// don't refresh
+				return
+			}
+
+			// delayedRefresh prevents unnecessary reloads when multiple messages are deleted
+			this.delayedRefresh = true
+
+			window.setTimeout(() => {
+				this.delayedRefresh = false
+				this.loadMessages()
+			}, 500)
+		},
+
+		// handler for websocket message truncation
+		handleWSTruncate() {
+			// all messages gone, reload
+			this.loadMessages()
+		},
 	}
 }
 </script>
@@ -89,18 +201,24 @@ export default {
 			<button type="button" class="btn-close" data-bs-dismiss="offcanvas" data-bs-target="#offcanvas"
 				aria-label="Close"></button>
 		</div>
-		<div class="offcanvas-body">
-			<NavMailbox @loadMessages="loadMessages" />
-			<NavTags />
-			<AboutMailpit />
+		<div class="offcanvas-body pb-0">
+			<div class="d-flex flex-column h-100">
+				<div class="flex-grow-1 overflow-y-auto">
+
+					<NavMailbox @loadMessages="loadMessages" />
+					<NavTags />
+				</div>
+				<AboutMailpit />
+			</div>
 		</div>
 	</div>
 
 	<div class="row flex-fill" style="min-height:0">
-		<div class="d-none d-md-block col-xl-2 col-md-3 mh-100 position-relative"
-			style="overflow-y: auto; overflow-x: hidden;">
-			<NavMailbox @loadMessages="loadMessages" />
-			<NavTags />
+		<div class="d-none d-md-flex h-100 col-xl-2 col-md-3 flex-column">
+			<div class="flex-grow-1 overflow-y-auto">
+				<NavMailbox @loadMessages="loadMessages" />
+				<NavTags />
+			</div>
 			<AboutMailpit />
 		</div>
 

server/ui-src/views/MessageView.vue

@@ -7,10 +7,14 @@ import Release from '../components/message/Release.vue'
 import Screenshot from '../components/message/Screenshot.vue'
 import { mailbox } from '../stores/mailbox'
 import { pagination } from '../stores/pagination'
+import dayjs from 'dayjs'
 
 export default {
 	mixins: [CommonMixins],
 
+	// global event bus to handle message status changes
+	inject: ["eventBus"],
+
 	components: {
 		AboutMailpit,
 		AjaxLoader,
@@ -24,20 +28,108 @@ export default {
 			mailbox,
 			pagination,
 			message: false,
-			prevLink: false,
-			nextLink: false,
 			errorMessage: false,
+			apiSideNavURI: false,
+			apiSideNavParams: URLSearchParams,
+			apiIsMore: true,
+			messagesList: [],
+			liveLoaded: 0, // the number new messages prepended tp messageList
+			scrollLoading: false,
+			canLoadMore: true,
 		}
 	},
 
 	watch: {
 		$route(to, from) {
 			this.loadMessage()
-		}
+		},
+	},
+
+	created() {
+		const relativeTime = require('dayjs/plugin/relativeTime')
+		dayjs.extend(relativeTime)
+
+		this.initLoadMoreAPIParams()
 	},
 
 	mounted() {
 		this.loadMessage()
+
+		this.messagesList = JSON.parse(JSON.stringify(this.mailbox.messages))
+		if (!this.messagesList.length) {
+			this.loadMore()
+		}
+
+		this.refreshUI()
+
+		// subscribe to events
+		this.eventBus.on("new", this.handleWSNew)
+		this.eventBus.on("update", this.handleWSUpdate)
+		this.eventBus.on("delete", this.handleWSDelete)
+		this.eventBus.on("truncate", this.handleWSTruncate)
+	},
+
+	unmounted() {
+		// unsubscribe from events
+		this.eventBus.off("new", this.handleWSNew)
+		this.eventBus.off("update", this.handleWSUpdate)
+		this.eventBus.off("delete", this.handleWSDelete)
+		this.eventBus.off("truncate", this.handleWSTruncate)
+	},
+
+	computed: {
+		// get current message read status
+		isRead() {
+			const l = this.messagesList.length
+			if (!this.message || !l) {
+				return true
+			}
+
+			let id = false
+			for (x = 0; x < l; x++) {
+				if (this.messagesList[x].ID == this.message.ID) {
+					return this.messagesList[x].Read
+				}
+			}
+
+			return true
+		},
+
+		// get the previous message ID
+		previousID() {
+			const l = this.messagesList.length
+			if (!this.message || !l) {
+				return false
+			}
+
+			let id = false
+			for (x = 0; x < l; x++) {
+				if (this.messagesList[x].ID == this.message.ID) {
+					return id
+				}
+				id = this.messagesList[x].ID
+			}
+
+			return false
+		},
+
+		// get the next message ID
+		nextID() {
+			const l = this.messagesList.length
+			if (!this.message || !l) {
+				return false
+			}
+
+			let id = false
+			for (x = l - 1; x > 0; x--) {
+				if (this.messagesList[x].ID == this.message.ID) {
+					return id
+				}
+				id = this.messagesList[x].ID
+			}
+
+			return id
+		}
 	},
 
 	methods: {
@@ -48,9 +140,8 @@ export default {
 				this.errorMessage = false
 				const d = response.data
 
-				if (this.wasUnread(d.ID)) {
-					mailbox.unread--
-				}
+				// update read status in case websockets is not working
+				this.handleWSUpdate({ 'ID': d.ID, Read: true })
 
 				// replace inline images embedded as inline attachments
 				if (d.HTML && d.Inline) {
@@ -94,7 +185,9 @@ export default {
 
 				this.message = d
 
-				this.detectPrevNext()
+				this.$nextTick(() => {
+					this.scrollSidebarToCurrent()
+				})
 			},
 				(error) => {
 					this.errorMessage = true
@@ -114,37 +207,156 @@ export default {
 				})
 		},
 
-		// try detect whether this message was unread based on messages listing
-		wasUnread(id) {
-			for (let m in mailbox.messages) {
-				if (mailbox.messages[m].ID == id) {
-					if (!mailbox.messages[m].Read) {
-						mailbox.messages[m].Read = true
-						return true
-					}
-					return false
+		// UI refresh ticker to adjust relative times
+		refreshUI() {
+			window.setTimeout(() => {
+				this.$forceUpdate()
+				this.refreshUI()
+			}, 30000)
+		},
+
+		// handler for websocket new messages
+		handleWSNew(data) {
+			// do not add when searching or >= 100 new messages have been received
+			if (this.mailbox.searching || this.liveLoaded >= 100) {
+				return
+			}
+
+			this.liveLoaded++
+			this.messagesList.unshift(data)
+		},
+
+		// handler for websocket message updates
+		handleWSUpdate(data) {
+			for (let x = 0; x < this.messagesList.length; x++) {
+				if (this.messagesList[x].ID == data.ID) {
+					// update message
+					this.messagesList[x] = { ...this.messagesList[x], ...data }
+					return
 				}
 			}
 		},
 
-		detectPrevNext() {
-			// generate the prev/next links based on current message list
-			this.prevLink = false
-			this.nextLink = false
-			let found = false
-
-			for (let m in mailbox.messages) {
-				if (mailbox.messages[m].ID == this.message.ID) {
-					found = true
-				} else if (found && !this.nextLink) {
-					this.nextLink = mailbox.messages[m].ID
-					break
-				} else {
-					this.prevLink = mailbox.messages[m].ID
+		// handler for websocket message deletion
+		handleWSDelete(data) {
+			for (let x = 0; x < this.messagesList.length; x++) {
+				if (this.messagesList[x].ID == data.ID) {
+					// remove message from the list
+					this.messagesList.splice(x, 1)
+					return
 				}
 			}
 		},
 
+		// handler for websocket message truncation
+		handleWSTruncate() {
+			// all messages gone, go to inbox
+			this.$router.push('/')
+		},
+
+		// return whether the sidebar is visible
+		sidebarVisible() {
+			return this.$refs.MessageList.offsetParent != null
+		},
+
+		// scroll sidenav to current message if found
+		scrollSidebarToCurrent() {
+			const cont = document.getElementById('MessageList')
+			if (!cont) {
+				return
+			}
+			const c = cont.querySelector('.router-link-active')
+			if (c) {
+				const outer = cont.getBoundingClientRect()
+				const li = c.getBoundingClientRect()
+				if (outer.top > li.top || outer.bottom < li.bottom) {
+					c.scrollIntoView({ behavior: "smooth", block: "center", inline: "nearest" })
+				}
+			}
+		},
+
+		scrollHandler(e) {
+			if (!this.canLoadMore || this.scrollLoading) {
+				return
+			}
+
+			const { scrollTop, offsetHeight, scrollHeight } = e.target
+			if ((scrollTop + offsetHeight + 150) >= scrollHeight) {
+				this.loadMore()
+			}
+		},
+
+		loadMore() {
+			if (this.messagesList.length) {
+				// get last created timestamp
+				const oldest = this.messagesList[this.messagesList.length - 1].Created
+				// if set append `before=<ts>` 
+				this.apiSideNavParams.set('before', oldest)
+			}
+
+			this.scrollLoading = true
+
+			this.get(this.apiSideNavURI, this.apiSideNavParams, (response) => {
+				if (response.data.messages.length) {
+					this.messagesList.push(...response.data.messages)
+				} else {
+					this.canLoadMore = false
+				}
+				this.$nextTick(() => {
+					this.scrollLoading = false
+				})
+			}, null, true)
+		},
+
+		initLoadMoreAPIParams() {
+			let apiURI = this.resolve(`/api/v1/messages`)
+			let p = {}
+
+			if (mailbox.searching) {
+				apiURI = this.resolve(`/api/v1/search`)
+				p.query = mailbox.searching
+			}
+
+			if (pagination.limit != pagination.defaultLimit) {
+				p.limit = pagination.limit.toString()
+			}
+
+			this.apiSideNavURI = apiURI
+
+			this.apiSideNavParams = new URLSearchParams(p)
+		},
+
+		getRelativeCreated(message) {
+			const d = new Date(message.Created)
+			return dayjs(d).fromNow()
+		},
+
+		getPrimaryEmailTo(message) {
+			for (let i in message.To) {
+				return message.To[i].Address
+			}
+
+			return '[ Undisclosed recipients ]'
+		},
+
+		isActive(id) {
+			return this.message.ID == id
+		},
+
+		toTagUrl(t) {
+			if (t.match(/ /)) {
+				t = `"${t}"`
+			}
+			const p = {
+				q: 'tag:' + t
+			}
+			if (pagination.limit != pagination.defaultLimit) {
+				p.limit = pagination.limit.toString()
+			}
+			const params = new URLSearchParams(p)
+			return '/search?' + params.toString()
+		},
+
 		downloadMessageBody(str, ext) {
 			const dl = document.createElement('a')
 			dl.href = "data:text/plain," + encodeURIComponent(str)
@@ -157,25 +369,44 @@ export default {
 			this.$refs.ScreenshotRef.initScreenshot()
 		},
 
-		// mark current message as read
-		markUnread() {
+		// toggle current message read status
+		toggleRead() {
 			if (!this.message) {
 				return false
 			}
+			const read = !this.isRead
+
+			const ids = [this.message.ID]
 			const uri = this.resolve('/api/v1/messages')
-			this.put(uri, { 'read': false, 'ids': [this.message.ID] }, (response) => {
-				this.goBack()
+			this.put(uri, { 'Read': read, 'IDs': ids }, () => {
+				if (!this.sidebarVisible()) {
+					return this.goBack()
+				}
+
+				// manually update read status in case websockets is not working
+				this.handleWSUpdate({ 'ID': this.message.ID, Read: read })
 			})
 		},
 
 		deleteMessage() {
 			const ids = [this.message.ID]
 			const uri = this.resolve('/api/v1/messages')
-			this.delete(uri, { 'ids': ids }, () => {
-				this.goBack()
+			// calculate next ID before deletion to prevent WS race
+			const goToID = this.nextID ? this.nextID : this.previousID
+
+			this.delete(uri, { 'IDs': ids }, () => {
+				if (!this.sidebarVisible()) {
+					return this.goBack()
+				}
+				if (goToID) {
+					return this.$router.push('/view/' + goToID)
+				}
+
+				return this.goBack()
 			})
 		},
 
+		// return to mailbox or search based on origin
 		goBack() {
 			mailbox.lastMessage = this.$route.params.id
 
@@ -189,8 +420,7 @@ export default {
 				if (pagination.limit != pagination.defaultLimit) {
 					p.limit = pagination.limit.toString()
 				}
-				const params = new URLSearchParams(p)
-				this.$router.push('/search?' + params.toString())
+				this.$router.push('/search?' + new URLSearchParams(p).toString())
 			} else {
 				const p = {}
 				if (pagination.start > 0) {
@@ -199,11 +429,14 @@ export default {
 				if (pagination.limit != pagination.defaultLimit) {
 					p.limit = pagination.limit.toString()
 				}
-				const params = new URLSearchParams(p)
-				this.$router.push('/?' + params.toString())
+				this.$router.push('/?' + new URLSearchParams(p).toString())
 			}
 		},
 
+		reloadWindow() {
+			location.reload()
+		},
+
 		initReleaseModal() {
 			this.modal('ReleaseModal').show()
 			window.setTimeout(() => {
@@ -218,25 +451,27 @@ export default {
 
 <template>
 	<div class="navbar navbar-expand-lg navbar-dark row flex-shrink-0 bg-primary text-white">
-		<div class="d-none d-md-block col-xl-2 col-md-3 col-auto pe-0">
+		<div class="d-none d-xl-block col-xl-3 col-auto pe-0">
 			<RouterLink to="/" class="navbar-brand text-white me-0" @click="pagination.start = 0">
 				<img :src="resolve('/mailpit.svg')" alt="Mailpit">
 				<span class="ms-2 d-none d-sm-inline">Mailpit</span>
 			</RouterLink>
 		</div>
-		<div class="col col-md-4k col-lg-5 col-xl-6" v-if="!errorMessage">
-			<button @click="goBack()" class="btn btn-outline-light me-3 me-sm-4 d-md-none" title="Return to messages">
+		<div class="col col-xl-5" v-if="!errorMessage">
+			<button @click="goBack()" class="btn btn-outline-light me-3 d-xl-none" title="Return to messages">
 				<i class="bi bi-arrow-return-left"></i>
+				<span class="ms-2 d-none d-lg-inline">Back</span>
 			</button>
-			<button class="btn btn-outline-light me-1 me-sm-2" title="Mark unread" v-on:click="markUnread">
-				<i class="bi bi-eye-slash"></i> <span class="d-none d-md-inline">Mark unread</span>
+			<button class="btn btn-outline-light me-1 me-sm-2" title="Mark unread" v-on:click="toggleRead()">
+				<i class="bi bi-eye-slash me-md-2" :class="isRead ? 'bi-eye-slash' : 'bi-eye'"></i>
+				<span class="d-none d-md-inline">Mark <template v-if="isRead">un</template>read</span>
 			</button>
 			<button class="btn btn-outline-light me-1 me-sm-2" title="Release message"
 				v-if="mailbox.uiConfig.MessageRelay && mailbox.uiConfig.MessageRelay.Enabled"
-				v-on:click="initReleaseModal">
+				v-on:click="initReleaseModal()">
 				<i class="bi bi-send"></i> <span class="d-none d-md-inline">Release</span>
 			</button>
-			<button class="btn btn-outline-light me-1 me-sm-2" title="Delete message" v-on:click="deleteMessage">
+			<button class="btn btn-outline-light me-1 me-sm-2" title="Delete message" v-on:click="deleteMessage()">
 				<i class="bi bi-trash-fill"></i> <span class="d-none d-md-inline">Delete</span>
 			</button>
 		</div>
@@ -297,28 +532,32 @@ export default {
 				</ul>
 			</div>
 
-			<RouterLink :to="'/view/' + prevLink" class="btn btn-outline-light ms-1 ms-sm-2 me-1"
-				:class="prevLink ? '' : 'disabled'" title="View previous message">
+			<RouterLink :to="'/view/' + previousID" class="btn btn-outline-light ms-1 ms-sm-2 me-1"
+				:class="previousID ? '' : 'disabled'" title="View previous message">
 				<i class="bi bi-caret-left-fill"></i>
 			</RouterLink>
-			<RouterLink :to="'/view/' + nextLink" class="btn btn-outline-light" :class="nextLink ? '' : 'disabled'">
+			<RouterLink :to="'/view/' + nextID" class="btn btn-outline-light" :class="nextID ? '' : 'disabled'">
 				<i class="bi bi-caret-right-fill" title="View next message"></i>
 			</RouterLink>
 		</div>
 	</div>
 
 	<div class="row flex-fill" style="min-height:0">
-		<div class="d-none d-md-block col-xl-2 col-md-3 mh-100 position-relative"
-			style="overflow-y: auto; overflow-x: hidden;">
-			<div class="text-center badge text-bg-primary py-2 mt-2 w-100 text-truncate fw-normal"
-				v-if="mailbox.uiConfig.Label">
-				{{ mailbox.uiConfig.Label }}
+		<div class="d-none d-xl-flex col-xl-3 h-100 flex-column">
+			<div class="text-center badge text-bg-primary py-2 my-2 w-100" v-if="mailbox.uiConfig.Label">
+				<div class="text-truncate fw-normal">
+					{{ mailbox.uiConfig.Label }}
+				</div>
 			</div>
 
 			<div class="list-group my-2" :class="mailbox.uiConfig.Label ? 'mt-0' : ''">
 				<button @click="goBack()" class="list-group-item list-group-item-action">
 					<i class="bi bi-arrow-return-left me-1"></i>
-					<span class="ms-1">Return</span>
+					<span class="ms-1">
+						Return to
+						<template v-if="mailbox.searching">search</template>
+						<template v-else>inbox</template>
+					</span>
 					<span class="badge rounded-pill ms-1 float-end text-bg-secondary" title="Unread messages"
 						v-if="mailbox.unread && !errorMessage">
 						{{ formatNumber(mailbox.unread) }}
@@ -326,24 +565,49 @@ export default {
 				</button>
 			</div>
 
-			<div class="card mt-4" v-if="!errorMessage">
-				<div class="card-body text-body-secondary small">
-					<p class="card-text">
-						<b>Message date:</b><br>
-						<small>{{ messageDate(message.Date) }}</small>
-					</p>
-					<p class="card-text">
-						<b>Size:</b> {{ getFileSize(message.Size) }}
-					</p>
-					<p class="card-text" v-if="allAttachments(message).length">
-						<b>Attachments:</b> {{ allAttachments(message).length }}
-					</p>
-				</div>
+			<div class="flex-grow-1 overflow-y-auto px-1 me-n1" id="MessageList" ref="MessageList"
+				@scroll="scrollHandler">
+				<button v-if="liveLoaded >= 100" class="w-100 alert alert-warning small" @click="reloadWindow()">
+					Reload to see newer messages
+				</button>
+				<template v-if="messagesList && messagesList.length">
+					<div class="list-group">
+						<RouterLink v-for="message in messagesList" :to="'/view/' + message.ID" :key="message.ID"
+							:id="message.ID"
+							class="row gx-1 message d-flex small list-group-item list-group-item-action"
+							:class="message.Read ? 'read' : '', isActive(message.ID) ? 'active' : ''">
+							<div class="col-12 overflow-x-hidden">
+								<b>{{ message.Subject != "" ? message.Subject : "[ no subject ]" }}</b>
+							</div>
+							<div class="col overflow-x-hidden">
+								<div class="text-truncate privacy small">
+									To: {{ getPrimaryEmailTo(message) }}
+									<span v-if="message.To && message.To.length > 1">
+										[+{{ message.To.length - 1 }}]
+									</span>
+								</div>
+							</div>
+							<div class="col-auto small">
+								<i class="bi bi-paperclip h6" v-if="message.Attachments"></i>
+								{{ getRelativeCreated(message) }}
+							</div>
+							<div v-if="message.Tags.length" class="col-12">
+								<RouterLink class="badge me-1" v-for="t in message.Tags" :to="toTagUrl(t)"
+									v-on:click="pagination.start = 0"
+									:style="mailbox.showTagColors ? { backgroundColor: colorHash(t) } : { backgroundColor: '#6c757d' }"
+									:title="'Filter messages tagged with ' + t">
+									{{ t }}
+								</RouterLink>
+							</div>
+						</RouterLink>
+					</div>
+				</template>
 			</div>
+
 			<AboutMailpit />
 		</div>
 
-		<div class="col-xl-10 col-md-9 mh-100 ps-0 ps-md-2 pe-0">
+		<div class="col-xl-9 mh-100 ps-0 ps-md-2 pe-0">
 			<div class="mh-100" style="overflow-y: auto;" id="message-page">
 				<template v-if="errorMessage">
 					<h3 class="text-center my-3">

server/ui-src/views/SearchView.vue

@@ -14,6 +14,9 @@ import { pagination } from '../stores/pagination'
 export default {
 	mixins: [CommonMixins, MessagesMixins],
 
+	// global event bus to handle message status changes
+	inject: ["eventBus"],
+
 	components: {
 		AboutMailpit,
 		AjaxLoader,
@@ -28,6 +31,7 @@ export default {
 		return {
 			mailbox,
 			pagination,
+			delayedRefresh: false,
 		}
 	},
 
@@ -40,6 +44,18 @@ export default {
 	mounted() {
 		mailbox.searching = this.getSearch()
 		this.doSearch()
+
+		// subscribe to events
+		this.eventBus.on("update", this.handleWSUpdate)
+		this.eventBus.on("delete", this.handleWSDelete)
+		this.eventBus.on("truncate", this.handleWSTruncate)
+	},
+
+	unmounted() {
+		// unsubscribe from events
+		this.eventBus.off("update", this.handleWSUpdate)
+		this.eventBus.off("delete", this.handleWSDelete)
+		this.eventBus.off("truncate", this.handleWSTruncate)
 	},
 
 	methods: {
@@ -59,7 +75,50 @@ export default {
 				this.apiURI += '&tz=' + encodeURIComponent(mailbox.timeZone)
 			}
 			this.loadMessages()
-		}
+		},
+
+		// handler for websocket message updates
+		handleWSUpdate(data) {
+			for (let x = 0; x < this.mailbox.messages.length; x++) {
+				if (this.mailbox.messages[x].ID == data.ID) {
+					// update message
+					this.mailbox.messages[x] = { ...this.mailbox.messages[x], ...data }
+					return
+				}
+			}
+		},
+
+		// handler for websocket message deletion
+		handleWSDelete(data) {
+			let removed = 0;
+			for (let x = 0; x < this.mailbox.messages.length; x++) {
+				if (this.mailbox.messages[x].ID == data.ID) {
+					// remove message from the list
+					this.mailbox.messages.splice(x, 1)
+					removed++
+					continue
+				}
+			}
+
+			if (!removed || this.delayedRefresh) {
+				// nothing changed on this screen, or a refresh is queued, don't refresh
+				return
+			}
+
+			// delayedRefresh prevents unnecessary reloads when multiple messages are deleted
+			this.delayedRefresh = true
+
+			window.setTimeout(() => {
+				this.delayedRefresh = false
+				this.loadMessages()
+			}, 500)
+		},
+
+		// handler for websocket message truncation
+		handleWSTruncate() {
+			// all messages deleted, go back to inbox
+			this.$router.push('/')
+		},
 	}
 }
 </script>
@@ -93,18 +152,23 @@ export default {
 			<button type="button" class="btn-close" data-bs-dismiss="offcanvas" data-bs-target="#offcanvas"
 				aria-label="Close"></button>
 		</div>
-		<div class="offcanvas-body">
-			<NavSearch @loadMessages="loadMessages" />
-			<NavTags @loadMessages="loadMessages" />
-			<AboutMailpit />
+		<div class="offcanvas-body pb-0">
+			<div class="d-flex flex-column h-100">
+				<div class="flex-grow-1 overflow-y-auto">
+					<NavSearch @loadMessages="loadMessages" />
+					<NavTags />
+				</div>
+				<AboutMailpit />
+			</div>
 		</div>
 	</div>
 
 	<div class="row flex-fill" style="min-height:0">
-		<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 @loadMessages="loadMessages" />
+		<div class="d-none d-md-flex h-100 col-xl-2 col-md-3 flex-column">
+			<div class="flex-grow-1 overflow-y-auto">
+				<NavSearch @loadMessages="loadMessages" />
+				<NavTags />
+			</div>
 			<AboutMailpit />
 		</div>
 

server/ui/api/v1/index.html

@@ -13,6 +13,7 @@
 
 <body>
 	<rapi-doc id="thedoc" spec-url="swagger.json" theme="light" layout="column" render-style="read" load-fonts="false"
+		allow-authentication="false"
 		regular-font="system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', 'Liberation Sans', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'"
 		mono-font="Courier New, Courier, System, fixed-width" font-size="large" allow-spec-url-load="false"
 		allow-spec-file-load="false" allow-server-selection="false" allow-search="false" allow-advanced-search="false"

server/websockets/hub.go

@@ -3,6 +3,7 @@ package websockets
 
 import (
 	"encoding/json"
+	"time"
 
 	"github.com/axllent/mailpit/internal/logger"
 )
@@ -83,5 +84,26 @@ func Broadcast(t string, msg interface{}) {
 		return
 	}
 
+	// add a very small delay to prevent broadcasts from being interpreted
+	// as a multi-line messages (eg: storage.DeleteMessages() which can send a very quick series)
+	time.Sleep(time.Millisecond)
+
 	go func() { MessageHub.Broadcast <- b }()
 }
+
+// BroadCastClientError is a wrapper to broadcast client errors to the web UI
+func BroadCastClientError(severity, errorType, ip, message string) {
+	msg := struct {
+		Level   string
+		Type    string
+		IP      string
+		Message string
+	}{
+		severity,
+		errorType,
+		ip,
+		message,
+	}
+
+	Broadcast("error", msg)
+}