Localize Email Templates (#16200)

close #14822

13 files changed, 143 insertions, 71 deletions

diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 2fa70679d8..ded76272b6 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -317,19 +317,64 @@ password_pwned = The password you chose is on a <a target="_blank" rel="noopener
 password_pwned_err = Could not complete request to HaveIBeenPwned
 
 [mail]
+view_it_on = View it on %s
+link_not_working_do_paste = Not working? Try copying and pasting it to your browser.
+hi_user_x = Hi <b>%s</b>,
+
 activate_account = Please activate your account
+activate_account.title = %s, please activate your account
+activate_account.test_1 = Hi <b>%[1]s</b>, thanks for registering at %[2]s!
+activate_account.test_2 = Please click the following link to activate your account within <b>%s</b>:
+
 activate_email = Verify your email address
+activate_email.title = %s, please verify your e-mail address
+activate_email.text = Please click the following link to verify your email address within <b>%s</b>:
+
+register_notify = Welcome to Gitea
+register_notify.title = %[1]s, welcome to %[2]s
+register_notify.text_1 = this is your registration confirmation email for %s!
+register_notify.text_2 = You can now login via username: %s.
+register_notify.text_3 = If this account has been created for you, please <a href="%s">set your password</a> first.
+
 reset_password = Recover your account
+reset_password.title = %s, you have requested to recover your account
+reset_password.text = Please click the following link to recover your account within <b>%s</b>:
+
 register_success = Registration successful
-register_notify = Welcome to Gitea
+
+issue_assigned.pull = @%[1]s assigned you to the pull request %[2]s in repository %[3]s.
+issue_assigned.issue = @%[1]s assigned you to the issue %[2]s in repository %[3]s.
+
+issue.x_mentioned_you = <b>@%s</b> mentioned you:
+issue.action.force_push = <b>%[1]s</b> force-pushed the <b>%[2]s</b> from %[3]s to %[4]s.
+issue.action.push_1 = <b>@%[1]s</b> pushed 1 commit to %[2]s
+issue.action.push_n = <b>@%[1]s</b> pushed %[3]d commits to %s: %[2]s
+issue.action.close = <b>@%[1]s</b> closed #%[2]d.
+issue.action.reopen = <b>@%[1]s</b> reopened #%[2]d.
+issue.action.merge = <b>@%[1]s</b> merged #%[2]d into #%[3]s.
+issue.action.approve = <b>@%[1]s</b> approved this pull request.
+issue.action.reject = <b>@%[1]s</b> requested changes on this pull request.
+issue.action.review = <b>@%[1]s</b> commented on this pull request.
+issue.action.review_dismissed = <b>@%[1]s</b> dismissed last review from %[2]s for this pull request.
+issue.action.ready_for_review = <b>@%[1]s</b> marked this pull request ready for review.
+issue.action.new = Created #%[2]d.
+issue.in_tree_path = In %s:
 
 release.new.subject = %s in %s released
+release.new.text = <b>@%[1]s</b> released %[2]s in %[3]s
+release.title = Title: %s
+release.note = Note:
+release.downloads = Downloads:
+release.download.zip = Source Code (ZIP)
+release.download.targz = Source Code (TAR.GZ)
 
 repo.transfer.subject_to = %s would like to transfer "%s" to %s
 repo.transfer.subject_to_you = %s would like to transfer "%s" to you
 repo.transfer.to_you = you
+repo.transfer.body = To accept or reject it visit %s or just ignore it.
 
 repo.collaborator.added.subject = %s added you to %s
+repo.collaborator.added.text = You have been added as a collaborator of repository:
 
 [modal]
 yes = Yes
diff --git a/services/mailer/mail.go b/services/mailer/mail.go
index fdc070e4be..7494d04f2b 100644
--- a/services/mailer/mail.go
+++ b/services/mailer/mail.go
@@ -22,6 +22,7 @@ import (
 	"code.gitea.io/gitea/modules/markup"
 	"code.gitea.io/gitea/modules/markup/markdown"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/modules/timeutil"
 	"code.gitea.io/gitea/modules/translation"
 
@@ -67,13 +68,14 @@ func sendUserMail(language string, u *models.User, tpl base.TplName, code, subje
 		"ActiveCodeLives":   timeutil.MinutesToFriendly(setting.Service.ActiveCodeLives, language),
 		"ResetPwdCodeLives": timeutil.MinutesToFriendly(setting.Service.ResetPwdCodeLives, language),
 		"Code":              code,
-		"i18n":              locale,
 		"Language":          locale.Language(),
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
 	var content bytes.Buffer
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&content, string(tpl), data); err != nil {
 		log.Error("Template: %v", err)
 		return
@@ -104,13 +106,14 @@ func SendActivateEmailMail(u *models.User, email *models.EmailAddress) {
 		"ActiveCodeLives": timeutil.MinutesToFriendly(setting.Service.ActiveCodeLives, locale.Language()),
 		"Code":            u.GenerateEmailActivateCode(email.Email),
 		"Email":           email.Email,
-		"i18n":            locale,
 		"Language":        locale.Language(),
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
 	var content bytes.Buffer
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&content, string(mailAuthActivateEmail), data); err != nil {
 		log.Error("Template: %v", err)
 		return
@@ -129,13 +132,14 @@ func SendRegisterNotifyMail(u *models.User) {
 	data := map[string]interface{}{
 		"DisplayName": u.DisplayName(),
 		"Username":    u.Name,
-		"i18n":        locale,
 		"Language":    locale.Language(),
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
 	var content bytes.Buffer
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&content, string(mailAuthRegisterNotify), data); err != nil {
 		log.Error("Template: %v", err)
 		return
@@ -157,13 +161,14 @@ func SendCollaboratorMail(u, doer *models.User, repo *models.Repository) {
 		"Subject":  subject,
 		"RepoName": repoName,
 		"Link":     repo.HTMLURL(),
-		"i18n":     locale,
 		"Language": locale.Language(),
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
 	var content bytes.Buffer
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&content, string(mailNotifyCollaborator), data); err != nil {
 		log.Error("Template: %v", err)
 		return
@@ -239,12 +244,13 @@ func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipient
 		"ActionType":      actType,
 		"ActionName":      actName,
 		"ReviewComments":  reviewComments,
-		"i18n":            locale,
 		"Language":        locale.Language(),
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
 	var mailSubject bytes.Buffer
-	// TODO: i18n templates?
 	if err := subjectTemplates.ExecuteTemplate(&mailSubject, string(tplName), mailMeta); err == nil {
 		subject = sanitizeSubject(mailSubject.String())
 		if subject == "" {
@@ -260,7 +266,6 @@ func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipient
 
 	var mailBody bytes.Buffer
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&mailBody, string(tplName), mailMeta); err != nil {
 		log.Error("ExecuteTemplate [%s]: %v", string(tplName)+"/body", err)
 	}
diff --git a/services/mailer/mail_release.go b/services/mailer/mail_release.go
index 1e12fe13ac..ff008be1d8 100644
--- a/services/mailer/mail_release.go
+++ b/services/mailer/mail_release.go
@@ -13,6 +13,7 @@ import (
 	"code.gitea.io/gitea/modules/markup"
 	"code.gitea.io/gitea/modules/markup/markdown"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/modules/translation"
 )
 
@@ -63,13 +64,14 @@ func mailNewRelease(lang string, tos []string, rel *models.Release) {
 	mailMeta := map[string]interface{}{
 		"Release":  rel,
 		"Subject":  subject,
-		"i18n":     locale,
 		"Language": locale.Language(),
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
 	var mailBody bytes.Buffer
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&mailBody, string(tplNewReleaseMail), mailMeta); err != nil {
 		log.Error("ExecuteTemplate [%s]: %v", string(tplNewReleaseMail)+"/body", err)
 		return
diff --git a/services/mailer/mail_repo.go b/services/mailer/mail_repo.go
index c742101ee1..5ef67b7c65 100644
--- a/services/mailer/mail_repo.go
+++ b/services/mailer/mail_repo.go
@@ -9,6 +9,7 @@ import (
 	"fmt"
 
 	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/modules/translation"
 )
 
@@ -57,12 +58,13 @@ func sendRepoTransferNotifyMailPerLang(lang string, newOwner, doer *models.User,
 		"Repo":        repo.FullName(),
 		"Link":        repo.HTMLURL(),
 		"Subject":     subject,
-		"i18n":        locale,
 		"Language":    locale.Language(),
 		"Destination": destination,
+		// helper
+		"i18n":     locale,
+		"Str2html": templates.Str2html,
 	}
 
-	// TODO: i18n templates?
 	if err := bodyTemplates.ExecuteTemplate(&content, string(mailRepoTransferNotify), data); err != nil {
 		return err
 	}
diff --git a/templates/mail/auth/activate.tmpl b/templates/mail/auth/activate.tmpl
index 37fdbd7c7c..1f02041578 100644
--- a/templates/mail/auth/activate.tmpl
+++ b/templates/mail/auth/activate.tmpl
@@ -2,14 +2,15 @@
 <html>
 <head>
 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-	<title>{{.DisplayName}}, please activate your account</title>
+	<title>{{.i18n.Tr "mail.activate_account.title" .DisplayName}}</title>
 </head>
 
+{{ $activate_url := printf "%suser/activate?code=%s" AppUrl .Code}}
 <body>
-	<p>Hi <b>{{.DisplayName}}</b>, thanks for registering at {{AppName}}!</p>
-	<p>Please click the following link to activate your account within <b>{{.ActiveCodeLives}}</b>:</p>
-	<p><a href="{{AppUrl}}user/activate?code={{.Code}}">{{AppUrl}}user/activate?code={{.Code}}</a></p>
-	<p>Not working? Try copying and pasting it to your browser.</p>
+	<p>{{.i18n.Tr "mail.activate_account.test_1" .DisplayName AppName | Str2html}}</p><br>
+	<p>{{.i18n.Tr "mail.activate_account.test_2" .ActiveCodeLives | Str2html}}</p><p><a href="{{$activate_url}}">{{$activate_url}}</a></p><br>
+	<p>{{.i18n.Tr "mail.link_not_working_do_paste" .DisplayName AppName | Str2html}}</p>
+
 	<p>© <a target="_blank" rel="noopener noreferrer" href="{{AppUrl}}">{{AppName}}</a></p>
 </body>
 </html>
diff --git a/templates/mail/auth/activate_email.tmpl b/templates/mail/auth/activate_email.tmpl
index ebcaa0ee79..27cff3ba4c 100644
--- a/templates/mail/auth/activate_email.tmpl
+++ b/templates/mail/auth/activate_email.tmpl
@@ -2,14 +2,15 @@
 <html>
 <head>
 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-	<title>{{.DisplayName}}, please verify your e-mail address</title>
+	<title>{{.i18n.Tr "mail.activate_email.title" .DisplayName}}</title>
 </head>
 
+{{ $activate_url := printf "%suser/activate_email?code=%s&email=%s" AppUrl .Code .Email}}
 <body>
-	<p>Hi <b>{{.DisplayName}}</b>,</p>
-	<p>Please click the following link to verify your email address within <b>{{.ActiveCodeLives}}</b>:</p>
-	<p><a href="{{AppUrl}}user/activate_email?code={{.Code}}&email={{.Email}}">{{AppUrl}}user/activate_email?code={{.Code}}&email={{.Email}}</a></p>
-	<p>Not working? Try copying and pasting it to your browser.</p>
+	<p>{{.i18n.Tr "mail.hi_user_x" .DisplayName | Str2html}}</p><br>
+	<p>{{.i18n.Tr "mail.activate_email.text" .ActiveCodeLives | Str2html}}</p><p><a href="{{$activate_url}}">{{$activate_url}}</a></p><br>
+	<p>{{.i18n.Tr "mail.link_not_working_do_paste" .DisplayName AppName | Str2html}}</p>
+
 	<p>© <a target="_blank" rel="noopener noreferrer" href="{{AppUrl}}">{{AppName}}</a></p>
 </body>
 </html>
diff --git a/templates/mail/auth/register_notify.tmpl b/templates/mail/auth/register_notify.tmpl
index ea1857030a..e1ab97b760 100644
--- a/templates/mail/auth/register_notify.tmpl
+++ b/templates/mail/auth/register_notify.tmpl
@@ -2,14 +2,16 @@
 <html>
 <head>
 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-	<title>{{.DisplayName}}, welcome to {{AppName}}</title>
+	<title>{{.i18n.Tr "mail.register_notify.title" .DisplayName AppName}}</title>
 </head>
 
+{{$set_pwd_url := printf "%[1]suser/forgot_password" AppUrl}}
 <body>
-	<p>Hi <b>{{.DisplayName}}</b>, this is your registration confirmation email for {{AppName}}!</p>
-	<p>You can now login via username: {{.Username}}.</p>
-	<p><a href="{{AppUrl}}user/login">{{AppUrl}}user/login</a></p>
-	<p>If this account has been created for you, please <a href="{{AppUrl}}user/forgot_password">set your password</a> first.</p>
+	<p>{{.i18n.Tr "mail.hi_user_x" .DisplayName | Str2html}}</p><br>
+	<p>{{.i18n.Tr "mail.register_notify.text_1" AppName}}</p><br>
+	<p>{{.i18n.Tr "mail.register_notify.text_2" .Username}}</p><p><a href="{{AppUrl}}user/login">{{AppUrl}}user/login</a></p><br>
+	<p>{{.i18n.Tr "mail.register_notify.text_3" $set_pwd_url | Str2html}}</p><br>
+
 	<p>© <a target="_blank" rel="noopener noreferrer" href="{{AppUrl}}">{{AppName}}</a></p>
 </body>
 </html>
diff --git a/templates/mail/auth/reset_passwd.tmpl b/templates/mail/auth/reset_passwd.tmpl
index e01d57cea2..2a85abc6c5 100644
--- a/templates/mail/auth/reset_passwd.tmpl
+++ b/templates/mail/auth/reset_passwd.tmpl
@@ -2,15 +2,15 @@
 <html>
 <head>
 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-	<title>{{.DisplayName}}, you have requested to recover your account</title>
+	<title>{{.i18n.Tr "mail.reset_password.title" .DisplayName}}</title>
 </head>
 
+{{ $recover_url := printf "%suser/recover_account?code=%s" AppUrl .Code}}
 <body>
-	<p>Hi <b>{{.DisplayName}}</b>,</p>
-	<p>Please click the following link to recover your account within <b>{{.ResetPwdCodeLives}}</b>:</p>
+	<p>{{.i18n.Tr "mail.hi_user_x" .DisplayName | Str2html}}</p><br>
+	<p>{{.i18n.Tr "mail.reset_password.text" .ResetPwdCodeLives | Str2html}}</p><p><a href="{{$recover_url}}">{{$recover_url}}</a></p><br>
+	<p>{{.i18n.Tr "mail.link_not_working_do_paste" .DisplayName AppName | Str2html}}</p>
 
-	<p><a href="{{AppUrl}}user/recover_account?code={{.Code}}">{{AppUrl}}user/recover_account?code={{.Code}}</a></p>
-	<p>Not working? Try copying and pasting it to your browser.</p>
 	<p>© <a target="_blank" rel="noopener noreferrer" href="{{AppUrl}}">{{AppName}}</a></p>
 </body>
 </html>
diff --git a/templates/mail/issue/assigned.tmpl b/templates/mail/issue/assigned.tmpl
index 5b0d2526f1..61e4a44f02 100644
--- a/templates/mail/issue/assigned.tmpl
+++ b/templates/mail/issue/assigned.tmpl
@@ -8,13 +8,21 @@
 	<title>{{.Subject}}</title>
 </head>
 
+{{$repo_url := printf "<a href='%s'>%s</a>" .Release.Repo.HTMLURL .Release.Repo.FullName}}
+{{$link := printf "<a href='%s'>#%d</a>" .Link .Issue.Index}}
 <body>
-	<p>@{{.Doer.Name}} assigned you to the {{if .IsPull}}pull request{{else}}issue{{end}} <a href="{{.Link}}">#{{.Issue.Index}}</a> in repository {{.Repo}}.</p>
+	<p>
+		{{if .IsPull}}
+			{{.i18n.Tr "mail.issue_assigned.pull" .Doer.Name $link $repo_url | Str2html}}
+		{{else}}
+			{{.i18n.Tr "mail.issue_assigned.issue" .Doer.Name $link $repo_url | Str2html}}
+		{{end}}
+	</p>
 	<div class="footer">
 		<p>
 			---
 			<br>
-			<a href="{{.Link}}">View it on {{AppName}}</a>.
+			<a href="{{.Link}}">{{.i18n.Tr "mail.view_it_on" AppName}}</a>.
 		</p>
 	</div>
 </body>
diff --git a/templates/mail/issue/default.tmpl b/templates/mail/issue/default.tmpl
index 02832c7e4d..61fe02037c 100644
--- a/templates/mail/issue/default.tmpl
+++ b/templates/mail/issue/default.tmpl
@@ -16,55 +16,57 @@
 </head>
 
 <body>
-	{{if .IsMention}}<p><b>@{{.Doer.Name}}</b> mentioned you:</p>{{end}}
+	{{if .IsMention}}<p>{{.i18n.Tr "mail.issue.x_mentioned_you" .Doer.Name | Str2html}}</p>{{end}}
 	{{if eq .ActionName "push"}}
 		<p>
-			<b>{{.Doer.Name}}</b>
 			{{if .Comment.IsForcePush}}
-				{{ $oldCommitLink:= printf "%s%s/%s/commit/%s" AppUrl  .Comment.Issue.PullRequest.BaseRepo.OwnerName .Comment.Issue.PullRequest.BaseRepo.Name .Comment.OldCommit}}
-				{{ $newCommitLink:= printf "%s%s/%s/commit/%s" AppUrl  .Comment.Issue.PullRequest.BaseRepo.OwnerName .Comment.Issue.PullRequest.BaseRepo.Name .Comment.NewCommit}}
-				force-pushed the <b>{{.Comment.Issue.PullRequest.HeadBranch}}</b> from
-				<a href="{{$oldCommitLink}}"><b>{{ShortSha .Comment.OldCommit}}</b></a>
-				to
-				<a href="{{$newCommitLink}}"><b>{{ShortSha .Comment.NewCommit}}</b></a>.
+				{{$oldCommitUrl := printf "%s%s/%s/commit/%s" AppUrl  .Comment.Issue.PullRequest.BaseRepo.OwnerName .Comment.Issue.PullRequest.BaseRepo.Name .Comment.OldCommit}}
+				{{$oldShortSha := ShortSha .Comment.OldCommit}}
+				{{$oldCommitLink := printf "<a href='%[1]s'><b>%[2]s</b></a>" $oldCommitUrl $oldShortSha}}
+
+				{{$newCommitUrl := printf "%s%s/%s/commit/%s" AppUrl  .Comment.Issue.PullRequest.BaseRepo.OwnerName .Comment.Issue.PullRequest.BaseRepo.Name .Comment.NewCommit}}
+				{{$newShortSha := ShortSha .Comment.NewCommit}}
+				{{$newCommitLink := printf "<a href='%[1]s'><b>%[2]s</b></a>" $newCommitUrl $newShortSha}}
+
+				{{.i18n.Tr "mail.issue.action.force_push" .Doer.Name .Comment.Issue.PullRequest.HeadBranch $oldCommitLink $newCommitLink | Str2html}}
 			{{else}}
 				{{if eq .Comment.Commits.Len 1}}
-					{{printf "pushed 1 commit to %s:" .Comment.Issue.PullRequest.HeadBranch}}
+					{{.i18n.Tr "mail.issue.action.push_1" .Doer.Name .Comment.Issue.PullRequest.HeadBranch | Str2html}}
 				{{else}}
-					{{printf "pushed %d commits to %s:" .Comment.Commits.Len .Comment.Issue.PullRequest.HeadBranch}}
+					{{.i18n.Tr "mail.issue.action.push_1" .Doer.Name .Comment.Issue.PullRequest.HeadBranch .Comment.Commits.Len | Str2html}}
 				{{end}}
 			{{end}}
 		</p>
 	{{end}}
 	<p>
 		{{if eq .ActionName "close"}}
-			Closed #{{.Issue.Index}}.
+			{{.i18n.Tr "mail.issue.action.close" .Doer.Name .Issue.Index | Str2html}}
 		{{else if eq .ActionName "reopen"}}
-			Reopened #{{.Issue.Index}}.
+			{{.i18n.Tr "mail.issue.action.reopen" .Doer.Name .Issue.Index | Str2html}}
 		{{else if eq .ActionName "merge"}}
-			Merged #{{.Issue.Index}} into {{.Issue.PullRequest.BaseBranch}}.
+			{{.i18n.Tr "mail.issue.action.merge" .Doer.Name .Issue.Index .Issue.PullRequest.BaseBranch | Str2html}}
 		{{else if eq .ActionName "approve"}}
-			<b>@{{.Doer.Name}}</b> approved this pull request.
+			{{.i18n.Tr "mail.issue.action.approve" .Doer.Name | Str2html}}
 		{{else if eq .ActionName "reject"}}
-			<b>@{{.Doer.Name}}</b> requested changes on this pull request.
+			{{.i18n.Tr "mail.issue.action.reject" .Doer.Name | Str2html}}
 		{{else if eq .ActionName "review"}}
-			<b>@{{.Doer.Name}}</b> commented on this pull request.
+			{{.i18n.Tr "mail.issue.action.review" .Doer.Name | Str2html}}
 		{{else if eq .ActionName "review_dismissed"}}
-			<b>@{{.Doer.Name}}</b> dismissed last review from {{.Comment.Review.Reviewer.Name}} for this pull request.
+			{{.i18n.Tr "mail.issue.action.review_dismissed" .Doer.Name .Comment.Review.Reviewer.Name | Str2html}}
 		{{else if eq .ActionName "ready_for_review"}}
-			<b>@{{.Doer.Name}}</b> marked this pull request ready for review.
+			{{.i18n.Tr "mail.issue.action.ready_for_review" .Doer.Name | Str2html}}
 		{{end}}
 
 		{{- if eq .Body ""}}
 			{{if eq .ActionName "new"}}
-				Created #{{.Issue.Index}}.
+				{{.i18n.Tr "mail.issue.action.new" .Doer.Name .Issue.Index | Str2html}}
 			{{end}}
 		{{else}}
 			{{.Body | Str2html}}
 		{{end -}}
 		{{- range .ReviewComments}}
 			<hr>
-			In {{.TreePath}}:
+			{{.i18n.Tr "mail.issue.in_tree_path" .TreePath}}
 			<div class="review">
 				<pre>{{.Patch}}</pre>
 				<div>{{.RenderedContent | Safe}}</div>
@@ -87,7 +89,7 @@
 	<p>
 		---
 		<br>
-		<a href="{{.Link}}">View it on {{AppName}}</a>.
+		<a href="{{.Link}}">{{.i18n.Tr "mail.view_it_on" AppName}}</a>.
 	</p>
 	</div>
 </body>
diff --git a/templates/mail/notify/collaborator.tmpl b/templates/mail/notify/collaborator.tmpl
index 19a2431023..baa46bafda 100644
--- a/templates/mail/notify/collaborator.tmpl
+++ b/templates/mail/notify/collaborator.tmpl
@@ -9,12 +9,12 @@
 </head>
 
 <body>
-	<p>You have been added as a collaborator of repository: <code>{{.RepoName}}</code></p>
+	<p>{{.i18n.Tr "mail.repo.collaborator.added.text"}} <code>{{.RepoName}}</code></p>
 	<div class="footer">
 		<p>
 			---
 			<br>
-			<a href="{{.Link}}">View it on {{AppName}}</a>.
+			<a href="{{.Link}}">{{.i18n.Tr "mail.view_it_on" AppName}}</a>.
 		</p>
 	</div>
 </body>
diff --git a/templates/mail/notify/repo_transfer.tmpl b/templates/mail/notify/repo_transfer.tmpl
index e0dca8869d..4dea947401 100644
--- a/templates/mail/notify/repo_transfer.tmpl
+++ b/templates/mail/notify/repo_transfer.tmpl
@@ -5,13 +5,14 @@
 	<title>{{.Subject}}</title>
 </head>
 
+{{$url := printf "<a href='%[1]s'>%[2]s</a>" .Link .Repo}}
 <body>
 	<p>{{.Subject}}.
-		To accept or reject it visit <a href="{{.Link}}">{{.Repo}}</a> or just ignore it.
+		{{.i18n.Tr "mail.repo.transfer.body" $url | Str2html}}
 	<p>
 		---
 		<br>
-		<a href="{{.Link}}">View it on {{AppName}}</a>.
+		<a href="{{.Link}}">{{.i18n.Tr "mail.view_it_on" AppName}}</a>.
 	</p>
 </body>
 </html>
diff --git a/templates/mail/release.tmpl b/templates/mail/release.tmpl
index 7829bce243..fabe4999e3 100644
--- a/templates/mail/release.tmpl
+++ b/templates/mail/release.tmpl
@@ -11,14 +11,15 @@
 
 </head>
 
+{{$release_url := printf "<a href='%s'>%s</a>" .Release.HTMLURL .Release.TagName}}
+{{$repo_url := printf "<a href='%s'>%s</a>" .Release.Repo.HTMLURL .Release.Repo.FullName}}
 <body>
 	<p>
-		<b>@{{.Release.Publisher.Name}}</b> released <a href="{{.Release.HTMLURL}}">{{.Release.TagName}}</a>
-		in <a href="{{AppUrl}}{{.Release.Repo.OwnerName}}/{{.Release.Repo.Name}}">{{.Release.Repo.FullName}}</a>
+		{{.i18n.Tr "mail.release.new.text" .Release.Publisher.Name $release_url $repo_url | Str2html}}
 	</p>
-	<h4>Title: {{.Release.Title}}</h4>
+	<h4>{{.i18n.Tr "mail.release.title" .Release.Title}}</h4>
 	<p>
-		Note: <br>
+		{{.i18n.Tr "mail.release.note"}}<br>
 		{{- if eq .Release.RenderedNote ""}}
 		{{else}}
 			{{.Release.RenderedNote | Str2html}}
@@ -28,13 +29,15 @@
 	<p>
 		---
 		<br>
-		Downloads:
+		{{.i18n.Tr "mail.release.downloads"}}
 		<ul>
+			{{$tagname := .Release.TagName | EscapePound}}
+			{{$archive_url := printf "%s%s/%s/archive" AppUrl .Release.Repo.OwnerName .Release.Repo.Name}}
 			<li>
-				<a href="{{AppUrl}}{{.Release.Repo.OwnerName}}/{{.Release.Repo.Name}}/archive/{{.Release.TagName | EscapePound}}.zip" rel="nofollow"><strong> Source Code (ZIP)</strong></a>
+				<a href="{{$archive_url}}/{{$tagname}}.zip" rel="nofollow"><strong>{{.i18n.Tr "mail.release.download.zip"}}</strong></a>
 			</li>
 			<li>
-				<a href="{{AppUrl}}{{.Release.Repo.OwnerName}}/{{.Release.Repo.Name}}/archive/{{.Release.TagName | EscapePound}}.tar.gz"><strong> Source Code (TAR.GZ)</strong></a>
+				<a href="{{$archive_url}}/{{$tagname}}.tar.gz" rel="nofollow"><strong>{{.i18n.Tr "mail.release.download.targz"}}</strong></a>
 			</li>
 			{{if .Release.Attachments}}
 				{{range .Release.Attachments}}
@@ -51,7 +54,7 @@
 	<p>
 		---
 		<br>
-		<a href="{{.Release.HTMLURL}}">View it on {{AppName}}</a>.
+		<a href="{{.Link}}">{{.i18n.Tr "mail.view_it_on" AppName}}</a>.
 	</p>
 	</div>
 </body>