My favorite is emclient, but the pro version isn't cheap. Postbox is a Thunderbird fork and inexpensive and quite good, although when I last checked, calendar support wasn't as good as em client's. Thunderbird, I'm guessing, is a known entity.
My favorite is emclient, but the pro version isn't cheap. Postbox is a Thunderbird fork and inexpensive and quite good, although when I last checked, calendar support wasn't as good as em client's. Thunderbird, I'm guessing, is a known entity.