PHP Email address validator
Fast Bayesian spam filter along lines suggested by Paul Graham
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
HotelSoft1.2Acs is a free open source software for the Hotel actvity
Strong Email & Apache Log Analysis with Active Security Features
NaSMail is a standards-based webmail package written in PHP
Zimbra Domain Admin for Zimbra Open Source Edition
Easily import email into TntConnect
Short perl script mail delivery agent
Multi-protocol server written in Java
An easy-to-use anti-spam email gateway
imap cleanup & command line tool
Conversion from *.mht files to *.htm files.
cab
Ciphermail email encryption gateway (S/MIME, OpenPGP, PDF encryption)