Mail Outgoing blocked. Reason :Daily Mail Bounce Count Exceeds Limit [ Bounce count=10

Mail Outgoing blocked. Reason :Daily Mail Bounce Count Exceeds Limit [ Bounce count=10

Please unblock my account.
I have to send some invitation and I've received the message :" Mail Outgoing blocked. Reason :Daily Mail Bounce Count Exceeds Limit [ Bounce count=10  "
Thank you for support !