Stop "Data Request Confirmed" Emails to the Admin
Stops WordPress emailing the site admin each time a user confirms a personal data export or erasure request; you can still see requests under Tools.
Snippet Library
Email snippets for WordPress
Snippets for the emails WordPress sends: change the sender name and address, add a Reply-To header, send HTML email and turn off notifications you do not need. For site owners who want their messages to arrive and look right.