I gave up on ProtonMail. The lack of a calendar means you often need to go back to using Google Calendar or Outlook.com Calendar, kind of negating the privacy benefits if you're a heavy calendar user. Secondly, its been years and you still can't store more than a single email address for a contact. This is so incredibly ridiculous that I have an extremely hard time understanding how they get away with charging what t…
I'm optimistic about ProtonMail in the long run, but won't use it until it gets out of my browser and onto a native app on my desktop. If UI problems bother you, and you need a calendar, you can use mailbox.org which (1) can encrypt incoming emails w/ your GPG key, (2) offers SMTP so you can use Thunderbird, (3) comes with a calendar you can use on thunderbird/your phone via network. They're also based in Germany, wh…
They're based in Switzerland which is no longer a safe haven, although ProtonMail seems to still trade on the idea that it is.
See:
https://www.theguardian.com/world/2016/sep/25/switzerland-vo...