Date: Thu, 25 Sep 2003 13:36:16 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Kirk Strauser <kirk@strauser.com>, Drew Derbyshire <avatar@2003-09.plus.kew.com> Cc: freebsd-stable@freebsd.org Subject: Mail blocking (was: I've had enough. I'm starting a DNS blackhole list.) Message-ID: <20030925040616.GC32280@wantadilla.lemis.com> In-Reply-To: <004001c38302$c8589e50$84cba8c0@kendra> <8765jhg7eo.fsf@strauser.com> References: <8765jhg7eo.fsf@strauser.com> <004001c38302$c8589e50$84cba8c0@kendra> <8765jhg7eo.fsf@strauser.com>
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--nmemrqcdn5VTmUEE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wednesday, 24 September 2003 at 17:15:27 -0500, Kirk Strauser wrote: > Yep, I really am. From now on, any system that relays a virus-laden email > to my system is going into a DNS blackhole list serving all of the systems I > administer. In a fit of "had it up to here"-ness, I've written the > following programs today: > > ... On Wednesday, 24 September 2003 at 21:17:26 -0400, Drew Derbyshire wrote: >> [missing context] > > Seems like a lot of work with way too much room for false positives. > > Why aren't you running a content filter on executable attachments so they > get bounced and you never see them? One reason would be that the traffic is expensive. I'm on a 2 GB/month plan, after which I pay significantly higher charges. I'm currently getting 50 to 60 MB a day just of this mail crap. Yes, it all gets dropped (just dropping .exe attachments does it), but that doesn't stop the traffic. Greg -- See complete headers for address and phone numbers --nmemrqcdn5VTmUEE Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQE/cmm4IubykFB6QiMRAiz/AJ4p87dYQWfyjGZLk64x3M8BaTNxQACfRg68 L3OOxUIvqCgQYVJ5oo8zXmg= =J3du -----END PGP SIGNATURE----- --nmemrqcdn5VTmUEE--
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