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:
Jan. 30, 2018

Filed:

Jun. 02, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Yohkichi Sasatani, Yokohama, JP;

Katsuya Shibutani, Yamato, JP;

Ichiro Takiguchi, Kawasaki, JP;

Yoshiki Yatsu, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/58 (2006.01); G06F 17/30 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 51/30 (2013.01); G06F 17/30371 (2013.01); H04L 51/04 (2013.01); H04L 63/126 (2013.01); H04L 63/1466 (2013.01); H04L 63/1483 (2013.01);
Abstract

Validation of e-mails is provided. An e-mail is received. A sender of the e-mail is determined. A message posting service account that is associated with the sender is identified. The message posting service is queried for a first hash value that corresponds to the e-mail based, at least in part, on the account. A response is received from the message posting service. Whether the account includes the first hash value is determined based, at least in part, on the response. The e-mail is or is not validated based, at least in part, on the response from the message posting service.


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