Name Description
Sendmail powerful, efficient, and scalable Mail Transport Agent (metapackage)
cGmail email checker and notifier applet for the gnome desktop
Spicebird e-mail, calendaring and instant messaging app
qmail a secure, reliable, efficient, simple message transfer agent
Gordano Messaging Suite email, calendaring and collaboration messaging suite
KCheckGMail A Gmail notifier-like notifier for KDE
Telaen Webmail interface
Mixmaster Anonymous remailer client and server
Dovecot secure IMAP server that supports mbox, maildir, dbox and mdbox mailboxes
Balsa e-mail client for GNOME
Nullmailer simple relay-only mail transport agent
listadmin command line mailman moderator queue manipulation
CheckGmail alternative Gmail Notifier for Linux via Atom feeds
Korn KDE mail checker
Mozilla Mail and News Iceape Mail & Newsgroups and Address Book