Use Javamail for accessing Microsoft Exchange mailboxes (IMAP, MS Exchange)

Question

I need to connect to a Microsoft Exchange Server through IMAPS JavaMail. First, I got the:

A1 NO AUTHENTICATE failed.
javax.mail.AuthenticationFailedExcepti         


        

Answer 1

You need to use a newer version of JavaMail that supports NTLM authentication. The latest version is 1.5.1.

Also, see this list of common mistakes.