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 How do I use the message system? How do I see if the messages I send are being read? I was notified I received a message, but I can't see it How do I delete my received and sent messages? I'm receiving an error, where can I get more help?