Update smtp.md

doc/settings/smtp.md

@@ -380,6 +380,7 @@ gitlab_rails['gitlab_email_reply_to'] = 'username@domain.com'
 ```
 ### Aruba (aruba.it)
+
 ```ruby
 gitlab_rails['smtp_enable'] = true
 gitlab_rails['smtp_address'] = "smtps.aruba.it"
@@ -391,6 +392,19 @@ gitlab_rails['smtp_authentication'] = "login"
 gitlab_rails['smtp_ssl'] = true
 ```
+### Aliyun Direct Mail(阿里云邮件推送)
+
+```ruby
+gitlab_rails['gitlab_email_from'] = 'username@your domain'
+gitlab_rails['smtp_enable'] = true
+gitlab_rails['smtp_address'] = "smtpdm.aliyun.com"
+gitlab_rails['smtp_port'] = 80
+gitlab_rails['smtp_user_name'] = "username@your domain"
+gitlab_rails['smtp_password'] = "password"
+gitlab_rails['smtp_domain'] = "your domain"
+gitlab_rails['smtp_authentication'] = "login"
+```
+
 ### More examples are welcome
 If you have figured out an example configuration yourself please send a Merge