Think of SharePoint document libraries as the replacement to your “shared network drive” on your office local area network. Document libraries are the heart of SharePoint document management. You can easily map a SharePoint document library as a Shared Network Place for drag and drop file management.
SharePointHosting.com allows users to assign “@emailsharepoint.com” e-mail addresses to document libraries which then accept e-mailed attachments from a site’s users.
Watch a Tutorial about Document Libraries
In this SharePoint screencast tutorial howto you will learn how to move a document between libraries automatically.