A non-delivery report with a status code of 5.3.0 was generated for recipient rfc822;email@example.com.
tw (Message-ID <96493585.EL067@hotmail.co
Causes: Exchange mistakenly attempted mail delivery to an incorrect MTA route.
For more information, click http://www.microsoft.com/contentredirect.asp
Solution: Check your route and topology; use the winroute tool to ensure the routes are properly replicated between servers and routing groups.
The server was running fine for more than half a year now, and all of a sudden.... we are experiencing this.. i have seen accepted answers for this exact problem but the resources are no longer on this site....
Thanks for any help i get...