receive encrypted emails from the company

In 2015, as part of the wave of encrypting all the things on the internet, encouraged by the Edward Snowden revelations, Facebook announced that it would allow users to receive encrypted emails from the company.

Even at the time, this was a feature for the paranoid users.

By turning on the feature, all emails sent from Facebook — mostly notifications of ‘likes’ and private messages — to the users who opted-in would be encrypted with the decades-old technology called Pretty Good Privacy, or PGP.