SpamAssassin
SpamAssassin News: Jeremy Zawodney has set up a news site for the spam filtering program. [via Matt Croydon]
This is very cool. Okay, I'm going to very clear on my opinions about this. Blunt, actually. If you have control over your *nix mail server and you're NOT using Spam Assasin, then you're a fucking moron. 'nuff said.
-Russ