@delta
> The K-9 main developer @cketti is indeed working with Mozilla for two years now, together with a colleague, and they are building Thunderbird-Android -- we talk from time to time with @thunderbird folks but there are no joint dev plans.
The more I think about this, the more I find it mystifying. Why aren't all email apps adding a version of AutoCrypt and a cross-signing QR code so they can auto-E2EE messages between them and Delta Chat?