Send Fatal Error Emails to Your Developers
Sends WordPress's "your site is experiencing a technical issue" recovery emails to your developers instead of (or as well as) the site owner, so the right people can fix it.
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.