well, i guess this is on topic: a mail firewall.

i've been using and deploying a sendmail screen using procmail as a
filtering agent with great success. basically some mods to this:

http://www.impsec.org/email-tools/procmail-security.html

works like a champ. stops these situations dead in their tracks.

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jose nazario                                                 [EMAIL PROTECTED]
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                                       PGP key ID 0xFD37F4E5 (pgp.mit.edu)

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