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by ocdtrekkie 1952 days ago
I used K-9 back in my Android days (5+ years ago). It's biggest weakness was, and to my knowledge, still is, inability to support modern OAuth authentication schemes that Google and Microsoft have largely switched to. Sometimes I get a notification from a comment on the GitHub issue still.

It used to be able to connect to Exchange servers, but hasn't been able to for nearly a decade.

1 comments

What exactly do you need this for? If it's for authenticating with their IMAP/SMTP, app passwords have worked for me with Gmail, even on 2FA-secured G Suite accounts. No idea about Microsoft though.
Exchange administrators usually disable IMAP. K-9 originally was one of the few apps that could still talk to Exchange servers. But it's failed to keep up with the times.

Currently you have to allow "less secure apps" on your Google account to use K-9.

You can't get them on _non_ 2fa gsuite for example .