Here you can find something about mail and also news related addons for Emacs.

Mail clients for Emacsen are listed in CategoryMail.

Cite Tools:

Signature Tools:

Biff Tools (notification of new mail):

Address Books and Tools:

Mail/News Modes:

Improvements for the Mail/News Modes:

Other Useful Modes:

MIME for Emacs:

Encryption for Mails:

Viewing & Composing HTML Mails:

Spam Fighting Utils:

X-Face and Face utils:


Other Stuff:

Other modes which are useful but not mail related: