I'm tired of banging my head against the wall.
A users email (mailbox) will have forwarded only mails containing pdf,xml and tif to another email address. The other mail is an mail contact (outside organization)
2 Exchange 2013 in DAG
Smarthost as SMTP
Have tried using mail rules with criteria : Recipients containing given attachment, set CC to other mail contact (outside organization)
This works when using internal objects. For all external objects it seems to have some issues with relaying.
Looking through the logs at smarthost i see that the mail is recieved at smarthost and sent as it should. The mail arrives at Exchange and never returns to the smarthost.
So, Any suggestion for how to solve this issue ?