|引进版本：||1.21.0 (Gerrit change 37515; )|
|其他设置： 按首字母排序 | 按功能排序|
For those parts of MediaWiki that have been updated to provide HTML email content, send both text and HTML parts as the body of the email.
As of MW 1.23, HTML email is not yet used by MediaWiki itself. However, it may be used by some extensions, such as 扩展:Echo.