Weekly Site Activity Summary by Email
Emails the site admin every Monday with last week's numbers: new posts, comments, pending items and new users, so you keep an eye on the site without logging in.
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.