Hi,
i have exchange 2013 server, i am bale to send and receive to all domain except one. i am able to receive from this domain but i cannot send.
once the user send a test message, the user immediately get NDR mail with the following error
The recipient's email address isn't correct. Please check the email address and try to resend the message. If the problem continues, contact your helpdesk. The following organization rejected your message: Contoso.com
Diagnostic information for administrators:
Generating server: smtp.contoso.com
user1@contoso.com Remote Server returned '<ccontoso.com #5.1.2>'
I enabled the logging for send connector but i didn't get any information for the test message. it does not appear on the log file.
i checked the message header and i get the below
(returned mail:see transcript for details)