smtp

I have two smtp issues.  I have a program that sends an e-mail out to a group of people when an action is done.  It is not working so I am using telnet to see what the issue is.  My first issue is that about a year ago we switched from olddomain.com to newdomain.com.  so now when I telnet and do mail from:user@newdomain.com it comes back with authenticated user@olddomain.com  and when I try to send it says unable to relay.  I am pretty sure the issue is that it views me as olddomain.com how do I change that to help me relay to outside mail.  Inside mail works fine becuase I allow olddomain to work in my network.
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nelslarsonAsked:
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DMTechGrooupConnect With a Mentor Commented:
Grant the IP of the machine, and your test machine, access to allow relay.  I assume Exchange 2003 based on your zones.

http://technet.microsoft.com/en-us/library/dd277329.aspx
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asavenerCommented:
What version of Exchange are you running?
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nelslarsonAuthor Commented:
I had to allow my subnet in order to make this work.
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