spam

anti-spam filter, initially based on the work of Paul Graham.

Message Sniffer is a command-line anti-spam scanner.

Check for spam and viruses in e-mails, decrease incoming attachment siz.

This is a great windows Spam Tracking Tool

Use NetMail's anti-spam filtering functions

Delete SPAM messages and Viruses before you download them.

Anti-Spam software to get back at spammers.

eMail2Pop is an AOL Mail & POP3, SMTP, and Spam Filtering solution.

Personal anti-spam filter: free, smart, customizable, under your full control

NoSpamProxy is a spam protection system that sort your E-mail.