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Subject: Re: spammit.com (formerly ban based on MX)
From: Harry Palmer (hpalmerjerky.net)
Date: Fri Oct 06 2000 - 12:38:00 CDT

The guy who runs spammit.com runs a variety of other domains. In all
situations the MX is a machine with IP address 255.255.255.255. Anyone
who runs alarge domain can tell you that this guy is a class A asshole.
Having thousands (tens of thousands) of these emails hanging in
deferred queue for a week is a major pain in the ass. The solution I
use at the moment is to ban all access from these phony domains with an
access list on my inbound mail servers. This prevents my users from
getting the junk mail, and prevents my server from dealing with the
bounces that go no where but my deferred queue.