andy.mac at global-domination.org
Thu Jun 14 02:15:42 IST 2007
>spam zombies spewing stuff out of your network and getting you
blacklisted. >Most spam zombies will not authenticate - therefore, the
e-mail won't leave >your network. This, combined with a firewall policy
that only allows port >25 traffic on your own servers can mitigate a
spam zombie problem before it >begins.
How many spam zombies look for a usable relay so they can deliver their
wares? If the firewall is configured so that only the proper MTA(s) can
send out I can't see a problem or a need for SMTP auth on private /
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