Your messages status will initially default to "Draft" mode unless you "Set Live" the message. To enable the message, click "Set Live" in the top right corner of your View Message page.

When your message is enabled, the status will change to "Live."

Click "Pause" if you wish to disable your message at any point after it has been enabled. This will change the message status to "Paused." Once paused, you can always click "Set Live" to reenable your message.