I avoid ProtonMail, and encourage others to do the same, because of the reasons you stated. They have all the keys. It's security theater, just like pre-2013 La

I avoid ProtonMail, and encourage others to do the same, because of the reasons you stated. They have all the keys. It's security theater, just like pre-2013 Lavabit used to be. Unlike pre-2013 Lavabit, the fact that they have the keys doesn't even result in usability benefits like, you know, being able to use plain old IMAP with my favorite email client. ProtonMail has been dragging their feet for so long in the interoperability department, it almost feels like they're aiming for vendor lock-in. If they truly were serious about interoperability, they've had plenty of time to create an open standard around their protocol (like FastMail and post-2017 Lavabit has done), or release patches to make their protocol available in widely used open-source email clients like Thunderbird. Instead they've got that mediocre IMAP bridge you mentioned. No thanks. When I choose an email service I want to retain the ability to export all my data and leave on short notice, without having to depend on non-standard tools.