(2nd Request) Disable scanning for a client that connects via SMTP-AUTH

Brent Addis brent.addis at spit.gen.nz
Thu May 21 06:25:04 IST 2009

Why don't you use SPF on your domains?

-----Original Message-----
From: Gary Faith <gafaith at asdm.net>
Reply-to: MailScanner discussion <mailscanner at lists.mailscanner.info>
To: mailscanner at lists.mailscanner.info
Subject: (2nd Request) Disable scanning for a client that connects via
Date: Wed, 20 May 2009 21:50:33 -0400

I am running MailScanner 4.75 on x86_64 and Sendmail 8.13.  I have a
situation where I am relaying e-mail for a trusted mail server with a
dynamic IP who connects to my mail scanner via SMTP Auth.  I don't have
a need for scanning the outbound e-mail from this server but I do need
to have the inbound mail scanned.  So I figured I would add the domain
to scan.messages.rules.  
From:    domain.com   no
This had the effect of stopping scanning of the mail which was
desired  but now spam is coming in with the From addresss the same as
the To address like: xyz at domain.com to xyz at domain.com.  These
messages are not being scanned and getting passed through due to the
rule above.  Obviously, I didn't think this through correctly and I need
a better solution.
What is required:
1.  Outbound mail from the server with a dynamic IP which authenticates
to the mail scanner via SMTP Auth = Not Scanned.  I wouldn't care if it
just goes from sendmail-in to sendmail-out and not even go through
mailscanner but I don't know if that is possible.
2.  All other mail scanned (like normal).
I know I can't base a rule on the IP address since it is dynamic but I
am unsure of any other way to accomplish this.  Any thoughts on how I
can accomplish this?

Gary Faith
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