Liking privacy doesn’t make you sketchy, but point taken 

WeAreAllSatoshi

You can use their someone@pm.me for your email which doesn't signal much.

Also, just like 99.99% of people have no clue that your USB drive is actually a bitcoin hardware wallet, I think most people don't give a damn about protonmail (unless you are in certain jurisdictions).

juanito

mudbloodvonfrei

bitcoin

Can anyone recommend an email service that allows bitcoin payments?

I know, but I feel like having a protonmail address might be a signal that says "I'm sketchy, take a closer look at me".