From the Home Page tap the Settings  Icon

Scroll down to Mail, Contacts, Calendars and tap

Tap Add Account

Tap Microsoft Exchange

On the screen below we enter your Email Account Configuration information.

Enter your email address in the Email field
Enter ICEMAIL  (all capital letters) in the Domain field
Enter in your user name (the first part of your email address username@domain.com) in the Username field
Enter in your email password in the Password Field
Enter IceMAIL for the Description
Tap Next

Enter    mail.icemail.com    in the Server field
Everything else should be automatically filled in for you already.
The Use SSL field if present should be set to ON
Tap  Next

This next screen will ask which items you want to synchronize, please choose which items you would like to synchronize

Push save.

After everything has been saved and you are back on the settings screen, push the center button to get back to the Home screen

Push the Mail Icon.  Your iPhone is now communicating with our Hosted Exchange Servers.  It may take up to 10 minutes to complete the full synchronization depending on the strength of your connection and how much mail you have.

Congratulations!  You should now be set up for Exchange Email on your iPhone.