System and method for verified delivery of e-mail messages
US9515978B1 · kind B1 · utility
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6References
25Claims
0Family size
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Key dates
| Filing date | Jul 8, 2013 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Jul 21, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L51/23
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method delivers e-mail messages if it can validate the master name server, MX record, or both for the mail domain in the address of the message. Otherwise, the message may be sent by alternate means, such as a message printed and mailed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.