A system and method for intelligent electronic message routing. An Informant server transmits an electronic message to be routed to a destination and stores a plurality of stylesheets containing routing information for the electronic message. The electronic message includes a reference to the plurality of stylesheets, and a service provider server receives the electronic message from the Informant server, processes the reference to the plurality of stylesheets included in the electronic message, and routes the electronic message to the destination based on the routing information contained in the plurality of stylesheets. A communications device, which defines the destination of the electronic message, receives the routed electronic message from the service provider server.