Says it can not connect to the server. And when you sync, and the introduction of the mailbox data. 2.0.0-beta 4. And yet - on Windows it would be nice to make the letters marked to bounce, would automatically entered in the blacklist. Good luck to you.
And more frustrating in MW Windows, that when scrolling the window disappears lower panel, which contains buttons mark emails as good or spam. Correct, please.