Mail Forwarding not working :

Solution :

Mail Forwarding will forward all the incoming messages to the corresponding destination email address. If the mail forwarding is not working it my due to the below reasons

[1] You may be using the wrong email id to deliver the emails
[2] You may have not enabled the mail forwarding option for your email address in plesk control panel

To resolve this issue you have to check and enable the mail forwarding and make sure that you have entered the correct email address without mistakes.