Patent ID: 7899868
Filing Date: 2011-03-01
Classification: H04L

Abstract:
1. A method for creating an extender catalog for use with at least one computer system that manages a plurality of email messages, wherein at least some of the plurality of email messages are archived email messages, the method comprising: (A) creating the extender catalog to provide an index into a plurality of archived email messages, the extender catalog comprising a plurality of identifiers that each identifies an entity and at least some of the plurality of identifiers having corresponding email addresses, wherein creating the extender catalog includes, for at least a first one of the plurality of identifiers that identifies a first entity, information defining a temporal interval during which at least one email address corresponds to the first entity, and wherein the extender catalog includes at least some information that is different than information in a global address catalog (GAC) having information and providing an index into the plurality of email messages managed by the at least one computer system.