I render annoying HTML to plan text from untrusted senders
I rip out attachments from untrusted senders
I strip out potentially dangerous content, check RBLs, filter against regular expression rules, and bayesian filtering of all email, and otherwise eviscerate spammers
drum roll .... with Disruptor OL
http://disruptor.de
=D
I have another spiffy program to strip away header hell (from aol dimwits and other ilk)
email ettiquette is important. when re-education fails blacklisting always works