View Single Post
Old 05-18-2018, 10:24 AM   #4
ISPsystem team
 
Join Date: Jul 2014
Posts: 443
ksenya is on a distinguished road
Default

It seems that your email is in infinite loop because in our standard Exim configuration it first checks its MX-record and sends the email to any place. And the client uses external static IP as the MX record, so he always sends the email only to himself. dummy_domains informs Exim that emails should not be sent that way to the specified domain names.
ksenya is offline   Reply With Quote