Hey there, under no circumstances can our encryption be bypassed, meaning emails, attachments, calendars, files, etc. cannot be compromised by legal orders.
We also provide an official onion site for Proton Mail for use with the Tor network.
Itβs also important to differentiate that VPN is not classified as a communication tool in Switzerland β Proton VPN does not log IPs and there are no existing Swiss laws that can compel us to do so.
Check out our latest audit here: 

Proton VPN
Proton VPN annual no-logs third-party audits | Proton VPN
Each year, independent security experts verify that Proton VPN doesn't keep logs or engage in practices that might compromise your privacy.