Proton Mail is one of the best alternatives to Gmail, Outlook, and Apple Mail out there, with end-to-end encryption, tracker ...

If you don't want to go through the process of setting up an email relay service, you can use email subaddressing instead. This process doesn't truly hide your Gmail address like an alias does ...

you can use the option to hide settings you may never use. For example, you could hide the "Access work or school" page if this is your personal computer you use at home or the "Device usage" page ...