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Date:      Fri, 30 Nov 2001 14:21:25 +1100
From:      Rob B <rbyrnes@ozemail.com.au>
To:        volax@uh.ru
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Sendmail relaying question
Message-ID:  <5.1.0.14.2.20011130142014.01dc3ba0@pop.ozemail.com.au>
In-Reply-To: <200111291513.fATFDSP49134@ns.uh.ru>

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At 02:13 30/11/2001, Alexander S. Volchenkov sent this up the stick:
>Hi All!
>
>How can I setup sendmail for relaying mail from users with FROM address:
>
>user@good-host.com
>
>and deny relaying for anyone else?


You should NEVER relay based on sender address, this is way too easy to 
spoof.  Try restricting via IP address or using pop-before-smtp or 
SMTP-auth for something a little more secure.

Rob


--
Age is a very high price to pay for maturity.

[15200.8 km (8207.8 mi), 262.8 deg](Apparent) Rennerian
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