• Login to your NameCheap account and select  Manage Domains option.
• Click on Hosted Domains option and select the domain you wish to modify.
  
• Select  Email Forwarding Setup option  from the left menu.
• Fill in both the “User name” and “Forwarded to” fields with the corresponding information and click on the “Save changes” button.

You can also take a look at our video tutorial on how to change the host settings.