troubleshooting Question

Relaying denied error after installing second exchange server

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chronolith asked on
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I have a system with an exchange 2003 SP2 enterprise server.  It uses a SurfControl smarthost for inbound and outbound mail.  I added a second exchange server and moved a mailbox over to it.  I discovered that I could not receive internet or internal email on the account moved over to the second server, so I moved it back to the first server and that seemed to solve the problem of receiving internal mail.

Now for reasons unknown, we cannot receive any inbound internet email.  I have made exactly zero config changes to the main exchange server and I have not touched the SurfControl system either.  Inbound messages get rejected with the following error:

PERM_FAILURE: SMTP Error (state 13): 550 5.7.1 <user@email.com>... Relaying denied

The address has been changed obviously.

Any ideas?
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