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Spamato is an extendable spam filter system written in Java. Various spam filters are included; additional filters can easily be plugged into the syst...

Clam AntiVirus (ClamAV), is a free open source antivirus software toolkit for Windows and Unix-like operating systems. One of its main uses is with ma...

The Courier mail server is a mail transfer agent (MTA) server that provides ESMTP, IMAP, POP3, webmail, and mailing list services with individual comp...

getmail is intended as a simple, secure, and reliable replacement for fetchmail. It retrieves email (either all messages, or only unread messages) fro...

ripMIME extracts attachment files out of a MIME-encoded email pack.

MailArchiva is a powerful, full featured email archiving solution for Microsoft Exchange. It stores all incoming, outgoing and internal emails for lon...

Heirloom mailx (formerly known as "nail") is derived from Berkeley Mail and provides the functionality of the System V and POSIX mai...

Enigmail is an extension for the mail client of Mozilla, Netscape 7.x, and Mozilla Thunderbird that allows users to access the authentication and encr...

MHonArc is a Perl program for converting mail or news messages into HTML archives. It can also be used to convert individual messages into HTML docume...

With Tiger Envelopes you can stop snoops from reading your email. Same email client. No extra steps. One click to install on Windows, Mac, & Linux...