Active Messenger filters email messages according to dynamic rules, and automatically routes messages to a variety of wired and wireless delivery channels. It observes traffic from a user by knowing which devices have been used to originate or to respond to messages, recent log-ins, and caller ID when checking voice or email over the phone. Its goal is to make sure that desired messages always reach the subscriber, while paring messages down when the user is less reachable. Active Messenger also acts as a proxy, hiding the identity of the multiple device addresses at which the subscriber may be found. More than just a router, Active Messenger is a dynamic process which monitors a message's progress through various channels over time.