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System and method for evaluating a structured message store for message redundancy

  • US 7,035,876 B2
  • Filed: 10/13/2004
  • Issued: 04/25/2006
  • Est. Priority Date: 03/19/2001
  • Status: Expired due to Term
First Claim
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1. A computer-readable medium encoded with stored message records for redundancy processing, comprising:

  • hash codes that are each determined from at least part of a message header plus a message body for each of a plurality of electronic messages; and

    metadata to store the electronic messages with matching hash codes into groups and to identify one such electronic message within each group as unique;

    further hash codes that are each determined from one or more attachment of at least one such electronic message; and

    metadata to identify the electronic messages within each group with matching further hash codes as exact duplicates.

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