I've been using ProtonMail and ProtonVPN for over a year, paid subscription. Both web and mobile client is ok, not great. On desktop I use Outlook (Windows) and

I've been using ProtonMail and ProtonVPN for over a year, paid subscription. Both web and mobile client is ok, not great. On desktop I use Outlook (Windows) and Thunderbird (Linux). I like the domain @pm.me. Overall happy with the service. Customer support has answered questions competently.