You have a server that runs Windows Server 2008. The server has the Windows SharePoint Services （WSS） server role installed. The server is configured to accept incoming e-mail. You create a new document library.  You need to ensure that any user can send e-mail to the document library. What should you do？（）

• A、Modify the RSS setting for the document library.
• B、Modify the permissions for the document library.
• C、Modify the incoming e-mail settings for the document library.
• D、Enable anonymous authentication for the Web application.