If you are using Rackspace Email and are setting up your email software (e.g., Outlook, Mac Mail, Entourage), you must indicate how you want to receive email using an IMAP or POP connection IMAP is quickly becoming the preferred...
The following article will demonstrate how to transfer your current IMAP or POP Data into your new Rackspace Microsoft Exchange account. Let's take at look at the procedure below:
IMAP To Exchange
Pop To Exchange