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Date:      Sat, 7 Feb 1998 08:34:59 +1100 (EST)
From:      "Daniel O'Callaghan" <danny@panda.hilink.com.au>
To:        "Darrin R. Woods" <dwoods@netgazer.com>
Cc:        David Babler <dbabler@Rigel.orionsys.com>, isp@FreeBSD.ORG
Subject:   Re: spammer problem - help!
Message-ID:  <Pine.BSF.3.91.980207083314.294k-100000@panda.hilink.com.au>
In-Reply-To: <3.0.32.19980206142216.00694dfc@netgazer.net>

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> But, I don't understand (1) why mail.t-1net.com is still getting my server
> to take its mail and (2) why/how t-1net is forging the email to come from
> my mailer-daemon to my users.  They are not using me as a relay as that

They send mail as MAIL FROM: <MAILER-DAEMON> which is expanded to 
<MAILER-DAEMON@your.site>

You can use Claus Assman's rules to block unqualified addresses from 
being received from remote relays.

Danny



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