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.

Patent No.:

US 11025572 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 01, 2021

Filed:

Aug. 10, 2016
Applicant:

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

Inventors:

Kentaro Kuramochi, Yachiyo, JP;

Shigeyuki Matsumoto, Yokohama, JP;

Masatsugu Ohtsuka, Kawasaki, JP;

Ichiro Takiguchi, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/58 (2006.01);
U.S. Cl.
CPC ...
H04L 51/12 (2013.01); H04L 51/14 (2013.01); H04L 51/18 (2013.01); H04L 51/24 (2013.01);
Abstract

A computer-implemented method includes receiving, by a first mail transfer agent having a first spool, an electronic mail. The computer-implemented method further includes issuing, by the first mail transfer agent, a first unique identifier to be associated with the electronic mail. The computer-implemented method further includes holding the electronic mail in the first spool for a first predetermined period of time. The computer-implemented method further includes transferring the electronic mail from the first spool to a second mail transfer agent having a second spool. The computer-implemented method further includes issuing, by the second mail transfer agent, a second unique identifier to be associated with the electronic mail. The computer-implemented method further includes holding the electronic mail in the second spool for a second predetermined period of time. The computer-implemented method further includes prohibiting a transfer of the electronic mail from the second mail transfer agent to a mail recipient agent.


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