I'm divided between whether
A. it's essential for the fediverse to include a dedicated network of encrypted email server "instances" so I can be down with things like #deltachat gaining popularity
B. MIME is a severe mess and we need a #gemini style simplified protocol for email
whether i'm actually divided is mostly a joke
i think the second one would be much more doable given an "email fediverse" because with standard Free Software and rules the email instances could just query each other to see if they support the simpler protocol and send in that if they do, and silently fall back to MIME if the other one doesn't
@Valenoern showing html e-mails in plain text reveals all the tracking garbage they include, no need for it raspberry pi foundation use mail chimp which employs that, so in effect they are tracking minors probably (anyone under 18)