No, I haven’t tried Tutanota because I can’t use a client I want. I decided PGP encryption is something I can do client side anyway on the rare case I want it.

Four times??? We’re almost diving by zero here. Sanders is basically infinity times more sane.

IMO Gmail -> Thunderbird is a bit flawed since you’d still need a service provider. It could be Thunderbird + Posteo / others (please no ProtonMail).