System for determining email spam by delivery path
US7580981B1 · kind B1 · utility
10Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Aug 11, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L51/234
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A spam detector for determining likelihood of forgery of a source in an email addressed to a destination is provided, comprising extraction means for extracting delivery path information from one or more packets in the packet flow of the email, and comparison means for comparing the extracted delivery path information with trusted delivery path information from the source to the destination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.