diff --git a/conf/app.ini b/conf/app.ini
index 49a0264..8350deb 100644
--- a/conf/app.ini
+++ b/conf/app.ini
@@ -36,8 +36,9 @@ LFS_JWT_SECRET = __LFS_JWT_SECRET__
 
 [mailer]
 ENABLED = true
-SMTP_ADDR = 127.0.0.1
-SMTP_PORT = 25
+SMTP_ADDR = __DOMAIN__
+SMTP_PORT = 587
+PROTOCOL = smtps
 FROM = "Gitea" <__APP__-noreply@__DOMAIN__>
 USER = __APP__
 PASSWD = __MAIL_PWD__