Re: Second SMTP Virtual Server
- From: "Ben Winzenz [Exchange MVP]" <ben_winzenz@nospamdotmessageonedotcom>
- Date: Tue, 15 Aug 2006 10:44:49 -0500
Get rid of the internal DNS A record for mms.abc.com (why do you need
this?), or configure the SMTP Connector to route to a Smart Host instead of
DNS.
If it is set to use DNS, then it is going to query your internal DNS servers
for that domain, and it is going to see that there is a record. I'd suspect
(Message Tracking should confirm this) that messages to that domain are
simply being routed right back to that second SMTP Virtual Server.
--
Ben Winzenz
Exchange MVP
MessageOne
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"GWhitt" <MyBoysAtHome@xxxxxxxxxxxxx> wrote in message
news:ADADE699-C289-45A0-958B-65ED4523A5F0@xxxxxxxxxxxxxxxx
We currently have one Exchange 2003 Server handling our domain mail (call
us
abc.com). Listening and sending on default port 25, everything working
fine.
To facilitate GSM communications, we need to set up mail routing between a
vendor (call them xyz.com) so that we are still listening on port 25 but
sending on port 1050 (to this vendor only). To prepare for this we have
completed the following steps:
1) Added a second IP address to our existing mail server NIC.
2) Added this new IP address to our internal DNS A records as mms.abc.com
(resolves properly)
3) Added the NAT'd address for external communications to our external DNS
as mms.abc.com (Internal rules to our vendor prohibit them routing to our
internal addresses; thus the external NAT.) This also resolves properly
per
an outside connection.
4) Created a second SMTP virtual server listening on port 25 and sending
on
port 1050. This server is using the new IP address.
5) Created a new Connector that uses DNS to route. The new SMTP server is
the bridgehead. The address space added is the domain address provided by
the
vendor. The connector scope is Entire organization and Allow messages to
be
relayed to these domains is checked.
When we attempt to send mail to "subscriber@xxxxxxxxxxx" we get "A
configuration error in the e-mail system caused the message to bounce
between
two servers or to be forwarded between two recipients. #5.3.5" Can anyone
help fill in what we're missing. Thanks in advance.
.
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