1) Go to Settings

2) Click on Mail, Contacts, Calendars

3) Click Add Account...

4) Choose Microsoft Exchange

5) Enter the following:
Email: yourusername@bethpage.ws (ex. helpdesk@bethpage.ws)
Domain: bethpage.ws
Username: yourusername (ex. helpdesk)
Password: yourpassword
Description: Bethpage Email
Click Next

6) If the system prompts you for a Server, enter mail.bethpage.ws and click Next

7) You can turn on Mail, Contacts, and Calendars to sync to your device and then click Save.