I didn’t want to advice/promote DeltaChat/ArcaneChat, they are not the only possible way of using email securely, just came here with the meme as a way of leaving out a rant because I have seen a lot of people talking like that and it is by now an urban legend people just repeat like parrots and pointing to articles that basically are misleading. Had a recent discussion about that in the Privacy Guides forum and just came here with the meme to shake the frustration away ;-)

it is all about the sassy retro style and base64 MIME body

more seriously: Signal is centralized and based on phone numbers, and as said by Signal themselves: “Privacy is Priceless, but Signal is Expensive” https://signal.org/blog/signal-is-expensive/ while email infra is WAY more economic and decentralized

SimpleX maybe but I it is not powerful/flexible nor as solid/mature as email server infra