1. A method of managing messages for devices having a limited processing capacity, the method practiced on a message management system distinct from a user device, the message management system comprising a user configuration categorizing messages for a user by elements of said messages, a user message data store, and a user data store, comprising: receiving, by the message management system, the user configuration categorizing messages for a user by elements of said messages; accessing, by the message management system, the user message datastore upon receipt of at least one new message for the user to the user data store; comparing, by the message management system, said at least one new message to a set of user specific rules; rendering, by the message management system, a message summary of messages for a category as defined in the user configuration, the message summary including a sender and a textual summary of each of said at least one new message and at least one link accessible by the user device, wherein properties of the textual summary of each of said at least one new message are defined by the user and are stored in the message management system, wherein the at least one link enables action with respect to said at least one new message when selected by the user; and outputting, by the message management system, the message summary to the user device at times scheduled by the user.