Delta chat to protonmail user

[Simon]

@Sandra

This would solve interop with Proton users.

Proton could also start to support autocrypt

But I’m not really against WKD, sounds like a better solution than key servers provided that you trust your provider

Though as Holger already said in the WKD topic we need a real concept to integrate it seamlessly into deltachat, which is not trivial:

@hpk

For Delta Chat to integrate WKD lookups, we would need to integrate it with Autocrypt logic and also with our COUNTERMITM verified group protocols.