Electronic mail filtering by electronic stamp

Details Electronic mail filtering by electronic stamp Electronic mail filtering by electronic stamp

1997-08-17

1999-12-07

Dinh, Dung C.

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

705 14, 705 39, G06F 1700

Patent

active

059999675

ABSTRACT:
An improved method and apparatus for filtering electronic mail. The method and apparatus allows the receiver of electronic mail to make a decision to accept, reject, prioritize, or expedite delivery of a piece of electronic mail based on the value of an attached electronic stamp. The apparatus consists of two complimentary parts: a sender side part with responsibility for attaching the electronic stamp; and a receiver side part with responsibility for removing the electronic stamp and filtering the electronic mail based on the value of the electronic stamp. The method and apparatus are used in a system for reducing or eliminating the amount of junk electronic mail in the electronic mail system.

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"Intellipost hopes to lure e-mail users with BonusMail incentives", Electronic Advertising & Marketplace report, v11 p. 3(1) Mar. 18, 1997.
MF Wyle "A Rule-based Electronic Mail Filter" 1989, May Proceedings of EARN 89.
Arensburger & Rosenfeld "ToTake Arms Against a Sea of Email"1995, Mar. Communications of the ACM, vol. 38 No. 3 pp. 108-109.
Stephen R van der Berg "Procmail".
VeriSign press release dated Apr. 1, 1997 "http://www.verign.com/press/product/isv.h".

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