1.Login to your cPanel Web Host manager at http://ipaddress:2086 as root.
2.Go to your List Accounts, in the Find option, type list and select List Accounts
3.From the middle pane, click on the cPanel logo next to the domain you wish to manage.
4.Under the Mail option, select Email Delivery Route option.
5.Input the email address in the Enter an email address to see the delivery path: and click Show Route to view the path