A point-to-multipoint messaging processing system and method having a message processing system communicatively coupled to a message origination system for receiving message requests from a plurality of message originating agents, each message request including a message agent identification identifying the message originating, a geographically defined transmission target area for the message, a message type identifier uniquely identifying a message type, and a message, the message processing system verifying each received message request to provide a verified message, the verifying being a function of the message originating agent identification, and the message type identifier and then for each verified message request determining a point-to-multipoint message transmission system serving at least a portion of the transmission target area of the message request for message type of the message type identifier, and transmitting the message, and the message type identifier, and the transmission target area to the determined point-to-multipoint message transmission system.