Re: Spammers die!
From: Lanwench [MVP - Exchange] (lanwench_at_heybuddy.donotsendme.unsolicitedmail.atyahoo.com)
Date: 05/29/04
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Date: Fri, 28 May 2004 23:20:45 -0400
If you left authenticated relay enabled, someone may be exploiting it.
Disable it if you don't need it.
See http://www.vamsoft.com/orf/authattack.asp
Jason McClellan wrote:
> I seem to be having a rather perplexing problem here.. starting this
> morning, some spammers seem to be using my exchange 2003 server for
> open relay.. fortunately the quantity is rather small, but still..
>
> However, I have checked all the settings many times, everything seems
> to be set right to prevent open relay, and the server passes open
> relay testing from such places as abuse.net!
>
> I can't figure out how these dirtbags are relaying. Everything looks
> set right, and I pass all the relay tests. I have followed
> suggestions from Q324958 and it does not appear to be an
> authenticated relay going on either.
>
> I would REALLY appreciate ANY suggestions!
>
> Thanks
> Jason
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