# 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-channel-view-general.md!} 1. Under **Stream permissions**, configure **Who can post to the stream**. {!save-changes.md!} {end_tabs} {!automated-notice-stream-event.md!}