Protonmail alternative with E2AA

Hello,


I'm thinking of switching from [mailbox.org](https://mailbox.org) to a more secure email service (not that [mailbox.org](https://mailbox.org) is not sure but since I can, why not). Pricing is not an issue.


Was thinking of going with protonmail but while trying their app, found out that its not possible to select all message and mark them as read (what is this, 2000?).


Another one I was thinking of trying was skiff but it seems they are using react-native for their app or …

app hello mark message performance privacy protonmail react react-native select skiff thinking what is