Exchange relaying problem...maybe...

[Niavlys]

Hi,
I'm a bit desperate... to be honest, I am really desperate. My problem is maybe simple for some of you but it's been 3 days now and still not been able to find a solution.

I have an application that use our Exchange 2003 server to relay mail.

If I send an e-mail with 99 recipients or less, no problem but if I add 1 name, the message gets stuck in the queue forever and prevents email from sending. I removed all limits options but still not working.

Can someone give me some clues

Thank you
Sylvain

 

[PScottC]

What happens if you point application to send mail to stand alone IIS server running SMTP.

I've found that the Exchange SMTP server can act a little funky sometimes. (Even though its IIS under the hood, Exchange changes some of the behavior)

I have a stand alone IIS server that sits between my Exchange server and the internet. All of my internal application servers point to it instead of Exchange. I simply defined my domain as a remote domain for IIS and pointed it at my exchange server (be sure to use square brackets [] if you use the ip instead of FQDN)

PSC

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