Has anyone seen this behavior? I have an IMAP account (on Exchange) and I successfully use mail.app without problems. Now, I have transferred my mail settings from mail.app to my iphone via iTunes sync. I can now recieve mail, but I cannot send mail. I get authentication errors for my smtp server. Very frustrating as I have checked and doublechecked my settings ie, username/password are fine, server addy is fine (including port appended to the smtp address: smpt.example.company.com:587) any ideas??