Apparatus and method for controlling delivery of unsolicited electronic mail
US6052709A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1997 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Dec 23, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q10/107
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a system and method and system for controlling delivery of unsolicited electronic mail messages, one or more spam probe e-mail addresses are created and planted at various sites on the communications network in order to insure their inclusion on large-scale electronic junk mail ("spam") mailing lists. The mailboxes corresponding to the spam probe e-mail addresses are monitored for incoming mail by a spam control center. Upon receipt of incoming mail addressed to the spam probe addresses, the spam control center automatically analyzes the received spam e-mail to identify the source of the message, extracts the spam source data from the message, and generates an alert signal containing the spam source data. This alert signal is broadcast to all network servers and/or all user terminals within the communications network. A filtering system implemented at the servers and/or user terminals receives the alert signal, updates stored filtering data using the spam source data retrieved from the alert signal, and controls delivery of subsequently-received e-mail messages received from the identified spam source. The filtering system controls delivery of the unsolicited e-mail messages by …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.