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List:       spamassassin-users
Subject:    Re: spamcop.net tactics
From:       Jeff Chan <jeffc () surbl ! org>
Date:       2005-11-21 23:55:50
Message-ID: 1944908651.20051121155550 () surbl ! org
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SpamCop simply notes what addresses appear to be emitting spam.
If your network is emitting spam and SpamCop users or traps
detect it, then yes your IPs can get blacklisted.  The best way
to solve that is to stop the emission of spam from your network.

As was already suggested, one good way to do that is to block
direct port 25 output from your network and instead direct users
to officially sanctioned outbound smtp servers.  This has become
a standard practice for many ISPs, wireless networks, companies,
hotels, wifi hotspots, etc., these days for the good reason that
it defeats most outbound spam from viruses/bots/zombies.

While SpamCop's trap addresses don't provide visible analyses of
headers IIRC, user reports do, so that you can see how the
headers were interpreted.  Usually they are interpreted correctly
these days.  There is a link in the reports that shows the
analyses.

You can also sign up for an account that gives periodic reports
for your networks.

As has already been noted, this is not an appropriate place to
b!tch about SpamCop.  Better to discuss it on the SpamCop
forums:

  http://forum.spamcop.net/forums

Jeff C.
-- 
Jeff Chan
mailto:jeffc@surbl.org
http://www.surbl.org/

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