How many messages can I send per day? All members may hold up to 500 message conversations per day. This is calculated over a 24 hour period from the time the first message is sent. Related articles I was notified I received a message, but I can't see it How do I report suspect or offensive messages? How do I keep my password secure? How do I add to, view, or delete my Favorites? How do I stop an offensive user in the Instant Messenger?