# Stream posting policy {!admin-only.md!} By default, anyone who belongs to a stream can also send messages to the stream. However, sometimes it's useful to have a stream (often a [default stream](/help/set-default-streams-for-new-users)) where only certain users can send messages. {start_tabs} {relative|stream|all} 1. Select a stream. {!select-stream-view-general.md!} 1. Click the **pencil** () to the right of **Stream permissions**. 1. Under **Who can post to the stream?**, select the option you prefer. {!save-changes.md!} {end_tabs} {!update-stream-auto-notification.md!}