I resolved my own problem once I looked in the correct place. It was my configuration 
error but not on the SMTP connector. I had the SMTP virtual server to forward all 
messages with unresolved recipients back to my MailMarshal server. Thank goodness 
something was saving me from my well configured mail loop.

Dave Cook
Exchange Administrator
Kutak Rock, LLP
402-231-8352
[EMAIL PROTECTED]


-----Original Message-----
From: Cook, David A. 
Sent: Friday, March 01, 2002 4:23 PM
To: Exchange Discussions
Subject: Misconfigured SMTP Connector?


I need some help because I think I have setup something wrong but I'm not sure how to 
resolve it.

I am running Exchange 2000 SP1 with a MailMarshal gateway. All email inbound through 
MailMarshal which is configured to forward all mail to kutakrock.com on to the 
Exchange servers. In the Exchange organisation I have an SMTP connector configured to 
pass messages to the MailMarshal server using a smart host. My address space for this 
connector is *. I understood this to be the proper setup.

My problem is if I email [EMAIL PROTECTED] rather than [EMAIL PROTECTED] 
I get a loop between Exchange and MailMarshal. Rather than Exchange producing an NDR 
it passes the message back to MailMarshal which in turn forwards the message to 
Exchange and the loop begins. The good news is that it appears the loop fails because 
I see the message passed from MailMarshal to Exchange three times then I'm not sure 
where the email goes. I'm not getting any type of NDR and there is nothing in the 
event log. 

Any idea how to resolve this and get Exchange to send an NDR that the recipient 
address is incorrect?

Dave Cook
Exchange Administrator
Kutak Rock, LLP
402-231-8352
[EMAIL PROTECTED]

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delete the original and all copies of this transmission (including any
attachments) without reading or saving in any manner.  

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