Many others? I only know of ProtonMail. Then there's mailbox.org and Posteo, but both are required to provide access to the government [1]. Their only option is

Many others? I only know of ProtonMail. Then there's mailbox.org and Posteo, but both are required to provide access to the government [1]. Their only option is to provide end-to-end encryption, like ProtonMail does. I wouldn't trust any other email provider than one of those three, if I would need to have truly secure emailing via a 3rd party. But none are in a different position that Google, maybe with exception of ProtonMail. Which ones would you list? [1] https://en.wikipedia.org/wiki/Gesetz_zur_Beschr%C3%A4nkung_des_Brief-,_Post-_und_Fernmeldegeheimnisses https://en.wikipedia.org/wiki/Gesetz_zur_Beschr%C3%A4nkung_d...