Email Locked ,Daily Mail Bounce Count Exceeds Limit

Email Locked ,Daily Mail Bounce Count Exceeds Limit

Hi, out email address was blocked because our server was sending error messages to an invalid email address causing too many bounce backs. below is the email

User : administration@etherealdesign.ca
Details :Mail Outgoing blocked. Reason :Daily Mail Bounce Count Exceeds Limit [ Bounce count=20 ]