This folder allows you to customize the Options for Your Mailbox and it's folders.

The Active Mailbox's section has a list of all your Mailbox folders, the number of messages in it, the size of the folders and the Option to Delete this folder.

The Create a new Mailbox allows you to add a new Mailbox folder.

The Email to Folder Sorting option allows you to set WebMail to automatically move incoming mail from your inbox to specific folders.