Protonmail is an ad-free independent encrypted email provider. You can follow their official account at:
...they also have an account for their VPN service:
...and their calendar service:
The official site is at https://protonmail.com
This is a brand new server run by the main developers of the project as a spin-off of mastodon.social It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!