Mailing List Message #92110
From: Dave Pooser <>
Subject: Re: PDF Spam
Date: Thu, 09 Aug 2007 07:51:09 -0500
To: CommuniGate Pro Discussions <>
> Is there a way blocking these direct spammers? I cannot block the SMTP
> connections to the CGPro Server from outside, since our customers are
> sending mails to outside using e-mail clients through the CGPro
> Server.

If your customers use SMTP authentication you can blacklist the whole
Internet, then whitelist your gateway; your clients will be able to make
authenticated connections but the rest of the Internet will be forced to use
your gateway.
Dave Pooser
"...Life is not a journey to the grave with the intention of arriving
safely in one pretty and well-preserved piece, but to slide across the
finish line broadside, thoroughly used up, worn out, leaking oil, and
shouting GERONIMO!!!" -- Bill McKenna

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