I have installed Active directory server 2012 with DNS and DHCP. Then I have installed Exchange server 2013 on the same server.
Now everything is working fine But i have issue with mailflow.
I can able to send and receive emails internal environment, and I can send an email internal to any external domain like gmail, yahoo etc.
My issue is that I can not able to receive emails from gmail, yahoo or any other domain from outside.
below is the detail of error message. Kindly suggest.
mx.kci-ster-dtc1.kci.net rejected your message to the following e-mail addresses:
mx.kci-ster-dtc1.kci.net gave this error:
< 2013Admin@contoso.com>: Recipient address rejected: User unknown in virtual mailbox table
The e-mail address you entered couldn't be found. Please check the recipient's e-mail address and try to resend the message. If the problem continues, please contact your helpdesk.
Diagnostic information for administrators:
Generating server: mail.yahoo.com
mx.kci-ster-dtc1.kci.net #550 5.1.1 <2013Admin@da.com>: Recipient address rejected: User unknown in virtual mailbox table ##
Original message headers:
Received: from mail.yahoo.com ([o0p9::0tf4:1m1j:r45t:45]) by
mail.yahoo.com([o0p9::0tf4:1m1j:r45t:45]) with mapi id
14.03.0174.001; Tue, 4 Mar 2014 04:34:19 -0600
From: abc <email@example.com>
To: 2013Admin <2013Admin@VER2.District.local>
Subject: RE: test 3.33
Thread-Topic: test 3.33
Date: Tue, 4 Mar 2014 10:34:18 +0000