Exim – Route email to remote server WHM

To route email for a specific domain to a remote server on WHM using Exim:

 

Go to Exim Advanced Config Editor and add the following under the PREROUTERS section

 

special:
driver = manualroute
transport = remote_smtp
route_list = domain1.com somesmtp.com; domain2.com somesmtp2.com

 

Where domain1.com is your domain and somesmtp.com is the address of the server to route mail for that domain to