Delta is also viable. I use it for IM and it is TOFU based PGP encryption. It works OK for general email too, though that's not the focus. See: https://delta.c

Delta is also viable. I use it for IM and it is TOFU based PGP encryption. It works OK for general email too, though that's not the focus. See: https://delta.chat/en/ https://delta.chat/en/