In this tutorial we will show you how to set a return to sender failure message for unrouted emails in cPanel.
This demo assumes you've already logged in to cPanel using the cPanel style paper_lantern, and starting on the home screen.
Click the Default Address icon.
If you have more than one domain, make sure you select the domain you want to set the failure message for. Click the option Discard the email while your server processes it by SMTP time with an error message, then enter the error message you want to send. When finished, click Change.
That's it! The return to sender failure message has been configured.
This is the end of the tutorial. You now how to setup a return to sender failure message for unrouted emails, in cPanel.
You can find below the video version of this tutorial.