The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 27, 2007

Filed:

Jan. 17, 2003
Applicants:

Yutaka Kobayashi, Kawasaki, JP;

Tomofumi Yokota, Kawasaki, JP;

Naoyasu Terao, Kawasaki, JP;

Inventors:

Yutaka Kobayashi, Kawasaki, JP;

Tomofumi Yokota, Kawasaki, JP;

Naoyasu Terao, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); G06F 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mailing list server and a mail re-sending method thereof with which, when a mail recipient has been unable to decrypt a mail, it is possible to re-send the mail compatibly encrypted in a form such that the recipient can decrypt it without fail. A mail re-send request from a member is made by HTTP, received by a web server, and processed by an application server. For example, re-send request information is sent to the web serverby a mailing list member, using an input form of a web pagefrom the web server. The application serverdetermines an encryption method on the basis of a user encryption method specification included in the mail re-send request. A sending partencrypts the mail by the determined method and sends it to the member's address.


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