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Abstract

A system including a client database for managing conversation threads generated from messages communicated in a client-server achitecture is disclosed. The client database efficiently manages messages and optimizes communication between the client and server. In a specific embodiment, the messages include email messages from a SMTP server and news messages from a NNTP server. The conversation threads are generated for use in a MAPI format-sensitive application. The client database maintains a central archive of message-related information to support conversation threading of current and future messages downloaded from the server to the client. The client database supports efficient management of conversations so that conversation roots and nested replies are presented sequentially. When a message refers to another, unreceived message, the system creates a placeholder for the unreceived message in the client database. Using a placeholder eliminates the need to rethread all conversations after every download. The database includes data fields corresponding to specific fields of a typical MAPI format. The database also includes data fields to assist in providing more efficient and timely operation of retrieving and threading conversations from a local message store, such as a MAPI store. News messages can also be converted from a news conversation threading structure to a MAPI format.

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First Claim