How to setup your Blackberry to logon to your Microsoft Outlook Web Access email address with the BlackBerry Internet Service.
To setup your Microsoft Outlook Web Access email address, complete the following steps:
Go to the wireless service provider’s BlackBerry Internet Service web site and log in to the BlackBerry Internet Service account. Click the Set Up Account [...]

How to setup your Blackberry to sync to your mail providers  POP or IMAP email account through your cellular providers Blackberry Internet Server (BIS).
NOTE: If you do not know the BIS website address for your carrier, you will need to contact your cell  provider for that address and information on logging into your account on it.
Complete the following [...]

You can setup your Exchange account using BIS on your BlackBerry device or through your cell providers BlackBerry Internet Service (BIS) web site. If needed, contact your cell providers Blackberry support to get their BIS website address and information on how to log into it.
NOTE: If you have a Microsoft Outlook Web Access (OWA) email [...]

So you got yourself a Blackberry PDA phone. Welcome to the wonderful world of anytime anywhere access to information. Blackberry has been putting a significant amount of effort into making these devices more feature rich over the past couple years and overall I am impressed with their progress as they have moved the devices from [...]