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METHOD AND APPARATUS FOR IDENTIFYING CHANGED MAILBOXES IN AN INTERNET MESSAGE ACCESS PROTOCOL (IMAP) LIST

  • US 20160269335A1
  • Filed: 03/13/2015
  • Published: 09/15/2016
  • Est. Priority Date: 03/13/2015
  • Status: Abandoned Application
First Claim
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1. A method in a server of providing to a client device, a list of mailboxes that store messages for a user, the method comprising the steps of:

  • maintaining a current mailbox reference number for each mailbox accessible by the user, wherein maintaining includes;

    detecting a change of message content in any of the mailboxes; and

    for each mailbox with a change of message content, updating an assigned current mailbox reference number to a value that is higher than any other current mailbox reference number for the mailboxes accessible by the user;

    receiving from the client device, a request for the list of mailboxes, the request including a previous mailbox reference number obtained by the client device;

    generating the list of mailboxes by selecting for the list, only those mailboxes whose current mailbox reference number is greater than the received previous mailbox reference number; and

    sending the generated list of mailboxes to the client device, wherein the list includes only mailboxes having message content that has changed since the client device obtained the previous mailbox reference number.

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