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Follow below article to get the better understanding of relaying in Exchange 2007/2010.<br />
<a href="http://blog.onlinehelpboard.com/2011/03/23/configure-exchange-2007-or-2010-to-relay-for-an-additional-domain/" rel="ugc">http://blog.onlinehelpboard.com/2011/03/23/configure-exchange-2007-or-2010-to-relay-for-an-additional-domain/</a>
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Follow below article to get the better understanding of relaying in Exchange 2007/2010.
http://blog.onlinehelpboard.com/2011/03/23/configure-exchange-2007-or-2010-to-relay-for-an-additional-domain/ [http://blog.onlinehelpboard.com/2011/03/23/configure-exchange-2007-or-2010-to-relay-for-an-additional-domain/]

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Running Exchange 2007 and have a voice mail system using a different domain name. &nbsp;The VM system is not part of our AD in any way. &nbsp;I need to be able to relay SMTP messages to vtext.com for text notification through Exchange.<br />
<br />
I've added the domain for the VM system as an accepted domain (External Relay) and have created a send connector with the appropriate rights (works for other relaying). &nbsp;The only difference seems to be that the other application servers send as an address using the authoritative domin.<br />
<br />
Any suggestions?
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Running Exchange 2007 and have a voice mail system using a different domain name.  The VM system is not part of our AD in any way.  I need to be able to relay SMTP messages to vtext.com for text notification through Exchange.

I've added the domain for the VM system as an accepted domain (External Relay) and have created a send connector with the appropriate rights (works for other relaying).  The only difference seems to be that the other application servers send as an address using the authoritative domin.

Any suggestions?

Exchange 2007 Relay

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.