anchor.diff:  === Email Notification Settings
   You can configure the following email notification settings in 
   `elasticsearch.yml`. For more information about sending notifications 
  -via email, see <<configuring-email, Configuring Email>>.
  +via email, see {xpack-ref}/actions-email.html#configuring-email-actions[Configuring Email].
   
   `xpack.notification.email.account`::
   Specifies account information for sending notifications via email. You 
  
positive.code: === Slack Notification Settings
  You can configure the following Slack notification settings in
  `elasticsearch.yml`. For more information about sending notifications
  via Slack, see  <<configuring-slack, Configuring Slack>>.
  
  `xpack.notification.slack` ::
  Specifies account information for sending notifications
  
negative.code: 
  `xpack.notification.email.html.sanitization.allow`::
  Specifies the HTML elements that are allowed in email notifications. For
  more information, see {xpack-ref}/actions-email.html#email-html-sanitization[Configuring HTML 
  Sanitization Options]. You can specify individual HTML elements
  and the following HTML feature groups:
  
  [[html-feature-groups]]
  