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Date:      Fri, 06 Feb 2009 14:03:06 -0500
From:      Steve Bertrand <steve@ibctech.ca>
To:        Greg.Stark@sungard.com
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Sendmail to Relay different domains to different hosts
Message-ID:  <498C896A.6000000@ibctech.ca>
In-Reply-To: <EE14DD41CD710E48908C707C66E2B4BC03838F09@VOO-EXCHANGE05.internal.sungard.corp>
References:  <EE14DD41CD710E48908C707C66E2B4BC03838F09@VOO-EXCHANGE05.internal.sungard.corp>

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Greg.Stark@sungard.com wrote:
> I am using Sendmail on a FreeBSD7.0 server as a mail relay for some of
> our servers.  These servers relay messages to both internal recipients
> and external customers.  I need to be able to relay mail destined to our
> internal domain recipients to our corporate mail servers but relay
> everything else out to our usual smart host.   So basically, I am
> looking to relay emails destined for a certain domain to one host and
> the rest of the mail to another.  

> Does anyone know how I could configure
> sendmail to accomplish this?

Yes.

Take a look at the `mailertable.sample' file. Create an empty
'mailertable' file in /etc/mail, and add the domain-to-server maps to it:

corporate.com	smtp:relay.corporate.com
other.com	smtp:some.other.server.com

...and then IIRC:

# cd /etc/mail
# makemap hash mailertable < mailertable

Steve



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