You have a SharePoint Server 2010 server farm.
You need to ensure that users can send e-mail messages to document libraries.
What should you do?
A.
From Central Administration, configure the incoming e-mail settings.
B.
From Central Administration, configure the Web application outgoing e-mail settings.
C.
From Document Library Settings, modify the Custom Send To Destination value.
D.
From Site Settings, activate the E-mail Integration with Content Organizer feature.
Explanation:
How to Setup Mail Enabled Document Libraries in SharePoint 2010
http://blogs.technet.com/b/praveenh/archive/2010/12/22/how-to-setup-mail-enabled-document-libraries-in-sharepoint-2010.aspx