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Mail distributing apparatus, program and mail transmitting method capable of shortening average wait time for completing transmission of mails

  • US 7,660,858 B2
  • Filed: 05/26/2005
  • Issued: 02/09/2010
  • Est. Priority Date: 05/26/2004
  • Status: Active Grant
First Claim
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1. A computer program product having computer instructions, recorded on a computer readable storage medium, for enabling a computer executing the computer instructions to perform mail distributing operations comprising:

  • recording a date and time when a plurality of mails have been successfully transmitted previously per mailing address;

    selecting a first group of the mailing addresses to which the mails have been successfully transmitted previously on the date and time within a predetermined selecting period by making reference to said recording when a mail distributing apparatus is commanded to distribute mails to a plurality of addresses;

    transmitting mails to the first group of the mailing addresses selected by said selecting at first, and after that, transmitting mails to a second group of the addresses not selected by said selecting;

    recording reply times taken to receive fail messages for the each of the mails that have not been successfully transmitted to the first and second group of mailing addresses;

    measuring a fail rate which is a ratio of the number of received fail messages to the number of mails transmitted to the second group of addresses; and

    determining an average reply time based on said recorded reply times for the addresses in the second group of addresses,wherein said transmitting further comprises re-transmitting mails to the second group of addresses at periods determined by multiplying the fail rate by a value which is the average reply time divided by a predetermined acceptable number of fail messages to be received within the average reply time for the second group of mailing addresses.

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