Protonmail. Emails are end-to-end encrypted at rest so sysadmins and others can’t access them. Fastmail is also a good provider, but you won’t get the same peac

Protonmail. Emails are end-to-end encrypted at rest so sysadmins and others can’t access them. Fastmail is also a good provider, but you won’t get the same peace of mind as protonmail.