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Title:
電子メール処理装置用プログラム
Document Type and Number:
Japanese Patent JP4434680
Kind Code:
B2
Abstract:

To provide an encryption technology of an electronic mail by which an electronic mail can be prevented from being eavesdropped or altered on a network path including a mail server without needing any special mail client program.

In this electronic mail encryption processor equipped with an electronic mail processing means for encrypting an electronic mail, this electronic mail processing means receives an electronic mail from an electronic mail transmitting/receiving means to be used for transmitting/receiving an electronic mail by an electronic mail user, and decides whether or not the transmission message of the electronic mail should be encrypted by referring to the destination address of the received electronic mail, and executes the encryption processing of the transmission message by using a public key corresponding to the destination address when it is decided that the transmission message should be encrypted, and transmits the encrypted transmission message to an electronic mail receiving/distributing means for executing the distribution of the electronic mail to an external network and the reception of the electronic mail from the external network.

COPYRIGHT: (C)2005,JPO&NCIPI


Inventors:
Kurata Fuyuhiko
Yasuhiko Hirono
Takayuki Amano
Application Number:
JP2003341240A
Publication Date:
March 17, 2010
Filing Date:
September 30, 2003
Export Citation:
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Assignee:
NTT Software Co., Ltd.
International Classes:
G06F13/00; H04L9/14
Domestic Patent References:
JP11272581A
JP2001237872A
JP2003152803A
JP2001144798A
JP1127311A
JP2002330173A
Foreign References:
WO2000065456A1
Attorney, Agent or Firm:
Tadahiko Ito