buy a domain. create icloud account. use their custom domain email setup (free btw) - https://support.apple.com/en-us/102540 https://support.apple.com/en-us/1

buy a domain. create icloud account. use their custom domain email setup (free btw) - https://support.apple.com/en-us/102540 https://support.apple.com/en-us/102540 Start replacing important account emails with your custom domain. Every time you get an important email in gmail, login and update. Bonus: icloud let's you create catch all emails, so you can create many burner emails such as hackernews@mydomain.com