Question : Exchange 2007 and POP3 and IMAP4

Our email system is Exchange 2007.  Our users are increasingly asking for POP3 and IMAP4.  Can someone give me an overview of the pros and cons of each?

Answer : Exchange 2007 and POP3 and IMAP4

Hi,
please check http://technet.microsoft.com/en-us/library/aa996347.aspx