Posted by
michael
on from the unplug-the-ethernet-for-best-results dept.
Dru writes "Here's an article talking about the details
of implementing a network level spam defense
with Qmail. It also talks a little about a new site called
Trustic
which uses a trust system (like Advogato) for
nominating spammer/hostile IP's."
and thereafter all packets from said IP's are market with the Evil Bit.