Exchange is not email server. It is groupware server. Thunderbird will not support all features of Exchange, ever, as it requires much more than e-mail (and eve

Exchange is not email server. It is groupware server. Thunderbird will not support all features of Exchange, ever, as it requires much more than e-mail (and even calendar) support. And, yes, Exchange supports IMAP for people who want to use it as bad and feature-limited email server ;-) I want Thunderbird to be best e-mail client, not mediocre groupware client.