I installed a new exchange 2007 domain and they can email outside their company but anyone on the inside they cannot send email to. The message just gets kiked back to them saying "This recipient e-mail address was not found in the recipient e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the recipient e-mail address and try resending this message, or provide the following diagnostic text to your system administrator"
Diagnostic information for administrators:
Generating server: ortho1.siortho.local
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
Original message headers:
Received: from ortho1.siortho.local ([10.22.1.15]) by ortho1.siortho.local
([10.22.1.15]) with mapi; Mon, 13 Aug 2007 11:15:14 -0600
Content-Type: application/ms-tnef; name="winmail.dat"
To: "', Dr. Rolandooo'"
Date: Mon, 13 Aug 2007 11:15:13 -0600
Subject: test 2
Thread-Topic: test 2