On this tab, you can see a list of subscriptions to receiving notifications about new board messages. You can create new subscriptions using the New subscription link. Displayed subscriptions can be filtered by E-mail address and User name. You can also Edit () or Delete () subscriptions in the list.
Detailed information about the Message boards module can be found in Developer's Guide -> Modules -> Message boards.
Page url: http://devnet.kentico.com/docs/5_5r2/contexthelp/index.html?board_edit_subscriptions.htm