HowtoForge: Enhance Your Mail Server With ASSP (Anti-Spam SMTP Proxy)
Nov 21, 2006, 11:30 (1 Talkback[s])
"In short ASSP is the most kickass solution that is both free
and works great. It reduced spam to an absurd minimum for me.
"The current solutions (Spamassassin,Razor,Pyzor,Dcc) were not
enough for my situation. This software works from the port 25 on a
system. and stop spam where it enters your system..."