AFAIK you bypass 2FA when you use IMAP. I don't see many advantages of using Proton (over any other independent e-mail provider) without 2FA.
The thing is, I connect all my accounts to a single mail application and handle everything from there, including their automated backups for ~15 years or so.
The thing is, I connect all my accounts to a single mail application and handle everything from there, including their automated backups for ~15 years or so.
The jury is still out for me, we'll see.