You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.What actions must you take to allow employees to change their passwords by utilizing Microsoft Windows but not Outlook Web App？（）

• A、You must up an IP Block list.
• B、You must use an Outlook Web App Mailbox policy.
• C、You must set up the Segmentation tab settings.
• D、You must set up recipient filtering.