Methods and apparatus for detecting spam messages in an email system
US8880611B1 · kind B1 · utility
21Cited by
29References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Jun 5, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L51/212
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A spam detector accesses a message body of an email, extracts one or more features of a return path from the message body, and uses the extracted features to detect the return path for a user to respond to the email. The return path may include a postal address, and the extracted feature may comprise one or more of a complete or partial street name, city name, state name, country name, street number address, postal code, designations for post office box, and post office box number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.