[ExchangeList] Re: Communication between exchange and non-exchange mail server

  • From: "Carl Houseman" <c.houseman@xxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 30 Jun 2006 14:39:54 -0400

http://www.msexchange.org
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If you're sure the IP address is being resolved incorrectly, why not just
fix the DNS problem?

Or, your proposed solution is possible with a separate SMTP connector.

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Jeffrey Robillard
Sent: Friday, June 30, 2006 8:54 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Communication between exchange and non-exchange mail
server

I have an IIS SMTP server setup on a machine as a listserv that can
email my exchange server perfectly.  However, I am unable from exchange
send any email back to the IIS SMTP Listserv.

I know the ListServ can receive mail.    

The issue, I am pretty sure, is that they are both behind a firewall
with NAT.  I believe the exchange server is resolving the ip address for
the listserv as the external ip instead of the internal ip.  

Is there a way within exchange 2k that you can tell it ... All mail
destined for domain @list.blah.com forward to internal ip 10.10.10.10?

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