Daily Digest of Comments Awaiting Moderation
Replaces the one-email-per-comment moderation notices with a single daily email listing every comment waiting for approval, with a link to the moderation screen.
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.
Send a Test Email From the Admin
Adds a Tools > Send Test Email screen where administrators can send a test message to any address and see right away whether WordPress could hand it off.