Device, method, and storage medium to block junk email

Details Device, method, and storage medium to block junk email Device, method, and storage medium to block junk email

2006-06-06

2006-06-06

Eng, David Y. (Department: 2155)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

Reexamination Certificate

active

07058684

ABSTRACT:
A server which delivers emails can receive emails addressed to a plurality of transmission destinations including portions that can be arbitrarily determined by a user as a transmission destination of each user. Upon receipt of email from a transmission line, the server extracts the transmission address from the email in a mail accepting unit, and makes a matching between the extracted address and the addresses or address patterns stored in a table within a processing contents storing unit. If they mismatch, the server performs normal mail processing for the user. If they match, the server performs the operations such as destroying the email, returning an error mail message, putting a mark on a predetermined area in the email, or adding a transmission destination address depending on the property of the email. If an encrypted pattern is included in the address, the server performs processing according to the command obtained by decrypting the pattern.

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“The SPAM-L FAQ—Blocking Spam (Version 3.13)” http://www.claws-and-paws.com/spam-1/blocking.html.
Yahoo! Web pages describing AddressGuard printed Mar. 12, 2004, 4-pp.

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