FairEmail is really great, almost as fully featured as Thunderbird with the best support for multiple accounts/identities that I've seen on Android so far. The

FairEmail is really great, almost as fully featured as Thunderbird with the best support for multiple accounts/identities that I've seen on Android so far. The developer asks for a small donation to unlock a few advanced features,* which I recommend doing. * https://email.faircode.eu/donate/ https://email.faircode.eu/donate/