Hi,
We are using MS Exchange Server 2013 CU1 on MS Windows Server 2008 Standard R2.
In queue viewer, I am getting this error for few domains only "451 4.4.0 dns query failed. The error was: DNS Query failed with error ErrorRetry"
Any because of this, We are unable to send any email to these domains,
Can someone please help to fix this..?
Thanks in Advance..
Thanks, Manoj