Well if it's cheap you're looking for there is Purelymail: https://purelymail.com/ https://purelymail.com/ Since you're already with Namecheap, why not go with

Well if it's cheap you're looking for there is Purelymail: https://purelymail.com/ https://purelymail.com/ Since you're already with Namecheap, why not go with one of their email plans/addons? All you have to do is add an MX record in the DNS and you've email-ified the domain.