| 摘要 |
PROBLEM TO BE SOLVED: To provide an update method of a mail address, detecting a change of an address group to reflect it on the corresponding address group. SOLUTION: By comparing the address group and address information of a received mail when receiving the mail, the change of the address group is detected. When the address group and the address information of the received mail are similar, a user is prompted whether to update the corresponding address group or not. COPYRIGHT: (C)2007,JPO&INPIT
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