pkg/mailer: support custom mail subject prefix (#4524)

conf/app.ini

@@ -226,8 +226,8 @@ PAGING_NUM = 10
 ENABLED = false
 ; Buffer length of channel, keep it as it is if you don't know what it is.
 SEND_BUFFER_LEN = 100
-; Name displayed in mail title
-SUBJECT = %(APP_NAME)s
+; Prefix prepended to the subject line
+SUBJECT_PREFIX = `[%(APP_NAME)s] `
 ; Mail server
 ; Gmail: smtp.gmail.com:587
 ; QQ: smtp.qq.com:465

conf/locale/locale_en-US.ini

@@ -1211,7 +1211,7 @@ config.skip_tls_verify = Skip TLS Verify
 config.mailer_config = Mailer Configuration
 config.mailer_enabled = Enabled
 config.mailer_disable_helo = Disable HELO
-config.mailer_name = Name
+config.mailer_subject_prefix = Subject Prefix
 config.mailer_host = Host
 config.mailer_user = User
 config.send_test_mail = Send Test Email

gogs.go

@@ -16,7 +16,7 @@ import (
 	"github.com/gogits/gogs/pkg/setting"
 )
 
-const APP_VER = "0.11.42.0330"
+const APP_VER = "0.11.43.0330"
 
 func init() {
 	setting.AppVer = APP_VER

pkg/mailer/mailer.go

@@ -34,7 +34,7 @@ func NewMessageFrom(to []string, from, subject, htmlBody string) *Message {
 	msg := gomail.NewMessage()
 	msg.SetHeader("From", from)
 	msg.SetHeader("To", to...)
-	msg.SetHeader("Subject", subject)
+	msg.SetHeader("Subject", setting.MailService.SubjectPrefix+subject)
 	msg.SetDateHeader("Date", time.Now())
 
 	contentType := "text/html"

pkg/setting/setting.go

@@ -821,7 +821,7 @@ func newSessionService() {
 // Mailer represents mail service.
 type Mailer struct {
 	QueueLength       int
-	Subject           string
+	SubjectPrefix     string
 	Host              string
 	From              string
 	FromEmail         string
@@ -848,7 +848,7 @@ func newMailService() {
 
 	MailService = &Mailer{
 		QueueLength:    sec.Key("SEND_BUFFER_LEN").MustInt(100),
-		Subject:        sec.Key("SUBJECT").MustString(AppName),
+		SubjectPrefix:  sec.Key("SUBJECT_PREFIX").MustString("[" + AppName + "] "),
 		Host:           sec.Key("HOST").String(),
 		User:           sec.Key("USER").String(),
 		Passwd:         sec.Key("PASSWD").String(),

templates/.VERSION

@@ -1 +1 @@
-0.11.42.0330
+0.11.43.0330

templates/admin/config.tmpl

@@ -190,8 +190,8 @@
 						<dt>{{.i18n.Tr "admin.config.mailer_enabled"}}</dt>
 						<dd><i class="fa fa{{if .MailerEnabled}}-check{{end}}-square-o"></i></dd>
 						{{if .MailerEnabled}}
-							<dt>{{.i18n.Tr "admin.config.mailer_name"}}</dt>
-							<dd>{{.Mailer.Subject}}</dd>
+							<dt>{{.i18n.Tr "admin.config.mailer_subject_prefix"}}</dt>
+							<dd><code>{{.Mailer.SubjectPrefix}}</code></dd>
 							<dt>{{.i18n.Tr "admin.config.mailer_disable_helo"}}</dt>
 							<dd><i class="fa fa{{if .Mailer.DisableHelo}}-check{{end}}-square-o"></i></dd>
 							<dt>{{.i18n.Tr "admin.config.mailer_host"}}</dt>