Watchguard XTM 22 - Need to allow mail relay from specific IP address

Hi there,

Looking for some expertise on a Watchguard XTM product.  I have one in place that uses the SMTP Incoming Proxy.  I have an external company that I will be using for an online store application that requires the ability to send mail through my internal mail server (Exchange 2007 on an SBS 2008 server).  I've configured the Exchange server to allow the relay, but I seem to be getting hooked on at the Watchguard box.  What I have is the originating IP address of the external server that needs to be allowed to relay mail from my internal server.

Any ideas?
mphackettAsked:
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joelsplaceCommented:
I don't know about Watchguard but I called Barracuda last week about the same thing.  Barracuda does not support it.
If you have more than one public IP you could point the external company to a different IP and route it around your Watchguard.
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joelsplaceCommented:
Even with one IP you could just use a different port to get around the Watchguard.
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mphackettAuthor Commented:
Actually, I believe my situation has now changed - it's the Exchange server on the SBS 2008 box that is giving me the grief.  I had it setup and working for the relay, but it began to bounce other messages.

I'll close this question for now and re-post with my actual problem.

Sorry!
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