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Exchange 2007 smtp not sending to internal users

Posted on 2011-05-05
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Last Modified: 2012-05-11
Using Exchange 2007 SP2.

Have a web server that is sending email through the exchange server through it's SMTP, not EWS or anything. All emails destined for external addresses are routing fine. All emails from the Web Server to any internal users on the Exchange server are lost. They don't appear in the Exchange logs as even being received and the user never gets them. Nothing is in the Exchange queue.

Any ideas? I'm kind of stuck here.
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Question by:dacIT
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by:serchlop
ID: 35702774
Try to send a email to your server from the web server with telnet
Here is how
http://exchange.mvps.org/smtp_frames.htm

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serchlop earned 2000 total points
ID: 35702785
Maybe is a relay issue, if so, try the configuration to allow relay in next page.
http://exchangepedia.com/2007/01/exchange-server-2007-how-to-allow-relaying.html
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by:dacIT
ID: 35702929
I've done telnet and got "queued for delivery"

I finally saw it as received in exchange logs but it hasn't gone for delivery.
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by:serchlop
ID: 35702994
Do you have a error, can you use the Message Tracking tool in Exchange Management Console - Tools to check if an error is generated or verify the reason to don't deliver the email
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by:dacIT
ID: 35725230
I haven't seen any errors. It's like the messages disappear. The only one that even got as far as the Exchange tracker was the one I sent via command line.
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Author Closing Comment

by:dacIT
ID: 35725406
Thanks. I'm still not sure what the original problem was, but I created a specific connector for this web server on the exchange server and limited it to this one's IP and it started working. I did put it on an alternate port, so maybe that had something to do with it. Thanks again.
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