Hi Team,
We are running Exchange server 2013 without Edge server only CAS and Mailbox and third party email gateway.
Whenever external senders send email to wrong recipient the NDR gives the full information about the internal host name and IP address of exchange server.
I followed the below link.
the article is for a scenario where Edge transport servers is used, how do i configure this when there is no edge transport server ?
TechGUy,System Administrator.