They all suck

https://therecord.media/lockbit-ransomware-takedown-mega-tutanota-protonmail

https://arstechnica.com/information-technology/2021/09/privacy-focused-protonmail-provided-a-users-ip-address-to-authorities/

https://proton.me/mail/privacy-policy#:~:text=Account%20Activity%3A%20Due%20to%20limitations,message%20sent%20and%20received%20times.