If you haven't configure your Android device, the first time you tap on the Mail application you will be presented with the setup screen. If you cannot get to the setup using the mail application, use the settings feature on your phone to configure mail. consult your user manual if you need direction finding the settings application.
In the email configuration settings screen,
Step 1) Enter you UNT email address and password. The UNT email address is in the form of firstname.lastname@unt.edu. If you have a top level alias such as jdoe@unt.edu, or Johnd@unt.edu, do not use that alias. Use the primary SMTP address for your UNT email account (ex. john.doe@unt.edu)
Step 2) Tap "Manual Setup"
Step 3) Choose the "Exchange" account type.
Step 4) Fill in the settings for your account, and tap next. These settings are:
Note: After tapping next, you will see the phone start to confirm your settings in Exchange.
Step 5) Setup your mail options and tap next.
Step 6) Name your account and finish. This can be anything you want. You can change this settings in the application settings if you change your mind.