Iirc, all the emails are stored locally so I guess if proton goes down, you can still access the emails on your phone. Same with cakendar, contacts in proton, and hopefully notes
Edit: nevermind, the emails are only stored if you accessed them before.
I think proton bridge is open source as well. I have all my emails locally on thunderbird
https://github.com/ProtonMail/proton-bridge
Removed by mod
Iirc, all the emails are stored locally so I guess if proton goes down, you can still access the emails on your phone. Same with cakendar, contacts in proton, and hopefully notes
Edit: nevermind, the emails are only stored if you accessed them before.
Removed by mod