发明名称 User authentication system and user authentication method
摘要 In a mail delivery system 10, a mail-incoming rejection system is configured so that: transmission destination mail address information 130 of electronic mail 120 includes transmission destination mail addresses 131a to 13na, and destination names 131b to 13nb including a keyword 125 specific to the transmission destination mail address; and with regard to the electronic mail 120 received in a mail delivery center 300, which corresponds to the transmission destination mail address, via a network 500, its receiving section 320 collates the keyword from the destination name to be included in the transmission destination mail address information, and delivers only the electronic mail, for which the collation of the keyword was able to be made, to the above transmission destination mail address.
申请公布号 US2004107364(A1) 申请公布日期 2004.06.03
申请号 US20030614800 申请日期 2003.07.09
申请人 NEC CORPORATION 发明人 SHIN AKIHIRO
分类号 G06F21/20;H04L12/28;H04L12/46;H04L12/66;H04L29/06;H04L29/12;(IPC1-7):H04L9/32 主分类号 G06F21/20
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