System and Method for Pushing Information from a Host System to a Mobile Data Communication Device

摘要

A scheme for mobile message delivery operable with a wireless mobile data device. In one embodiment, a method comprises one or more of the following: determining that a message received over a wireless network is from a messaging system for a user associated with the wireless mobile data device; determining that a redirection flag associated with the message is set; removing an outer envelope of the message and for presenting the message to the user; and transmitting a reply message to the messaging system, wherein the reply message is in response to the received message and contains only a difference between the received message and any additional material generated by the user.