How to create a catchall email account in Plesk This demo assumes youve already logged in to Plesk. Now lets learn how to create a catchall email account. Click the Mail tab. Then click the Mail Settings tab. Select the domain for which you want to create a catchall email account, then click Mail for Non-Existent Users. Click the Forward to address option, then enter the address you want all these emails to go to. Then click OK. This is the end of the tutorial. You now know how to create a catchall email account in Plesk. Thats it! Now when someone sends email to an address in this domain you havent setup, that email will go to [email protected].