@glyph right, and ActivityPub has similar protections built in for forged from fields and the like. The core insecurity of "Google can hand your plaintext email to the cops" is analogous to "admins can read your DMs" that people on here are always bringing up
@darius @glyph how is all of this that you’ve described not jus Matrix. Yes, it’s not activity pub. But it’s mostly what you mean, and it’s federated.