When you send an encrypted email to a non-Proton user, you click on the lock icon to encrypt the email and assign it a password, which you need to get to your user. The recipient then receives an email with a link. They click on the link, enter the password and and can then view your email, which to my understanding is decrypted client-side.
@ExLisper
I think there are defendable grounds for saying someone posting about privacy on YouTube is and is not ironic. How surprising or unexpected it is depends on many factors like the poster’s goals, threat models, and degree of altruism, user expectations regarding the poster, and congruence or incongruence with all of the above.
@FarLine99
@xad