Management of transaction message flow utilizing a transaction message queue. The system and method are for use in financial transaction messaging systems. The system is designed to enable an administrator to monitor, distribute, control and receive alerts on the use and status of limited network and exchange resources. Users are grouped in a hierarchical manner, preferably including user level and group level, as well as possible additional levels such as account, tradable object, membership, and gateway levels. The message thresholds may be specified for each level to ensure that transmission of a given transaction does not exceed the number of messages permitted for the user, group, account, etc.