amavis-perl -
11 (AMaViS-Perl - A Mail Virus Scanner)
exchange4linux -
2.3.1 (exchange4linux - exchange4linux is a production/stable server solution to store/exchange workgroup data on Linux in a style simular to Exchange. Main goal is to provide Outlook users a free and open server alternative on Linux.)
libspopc -
0.7 (a simple-to-use POP3 client library.)
messagewall -
1.0.8 (MessageWall - MessageWall is a free software SMTP proxy. It sits between the outside world and your mail server and keeps out viruses, spam and mail relaying.)
mulberry -
3.0.0_beta9 (Mulberry is a high-performance, scalable, and graphically groovy internet mail client. It uses the IMAP (IMAP4rev1, IMAP4, and IMAP2bis) protocol for accessing mail messages on a server, the standard SMTP protocol for sending messages, and does lots and lots of things with MIME parts for mixed text and "attachments" of many different types of files and data.)
retchmail -
0.3 (RetchMail is the world's most stupidly fast POP3 retriever)
mldonkey-cvs -
20030508 (mldonkey is a new client to access the eDonkey network. It is written in Objective-Caml, and comes with its own GTK GUI, an HTTP interface and a telnet interface.)