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Exchange 2007 not sending message -- Diagnostic data

Here is what I get in the error log --

Diagnostic information for administrators:

Generating server: mailserver.DOMAIN.org

IMCEAMAILTO-Fname+2ELastname+40(address through dedicated tunnel)+2Ecom@INTERNALDOMAIN.org
#550 5.4.4 ROUTING.NoNextHop; unable to route ##

Original message headers:

Received: from mailserver.Domain.org ([MailServerIP]) by MailServer.Domain.org
 ([MailServerIP]) with mapi; Mon, 5 Apr 2010 14:59:37 -0500
Content-Type: application/ms-tnef; name="winmail.dat"

So what is this message saying?  I am sending mail with an attachment to a facility where we have a dedicated tunnel setup for traffic.  I can send other mail messages but this extension seems to have problems.

Thank You
Sean Meyer
Sean Meyer
1 Solution

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