Leave it on Auto Account Setup – and put in your Name, Email address, and Password – click Next
When prompted say YES to allow auto-configuration, and check the box to NOT ask again
If a CERTIFICATE warning pops up, click ALLOW (and don’t ask again)
When you get prompted for your password, click Use Another Account, and in the Username box type mail\username and enter your password (Click Remember Password if you do not want to be prompted every time)