1. Open the Settings app on your iPhone.
  2. Tap the "Mail, Contacts, Calendars" tab.
  3. Tap "Add Account..."
  4. Choose the type of account you want to add. ...

To add email to a mobile device you will need to choose the type of email account as 'EXCHANGE'

Then enter your email address & password as supplied. The configuration will automatically be added. On some devices you will be prompted to accept the security settings/policy - you must accept this prompt