Patent ID: 7966492
Filing Date: 2011-06-21
Classification: G06F,H04L

Abstract:
1. A method of providing and authenticating an e-mail message, comprising: providing a first portion of the e-mail message from a sender; transforming the first portion of the e-mail message to produce a second portion of the e-mail message; sending the first portion and the second portion of the e-mail message from the sender to a recipient; receiving the first portion of the e-mail message and second portion of the e-mail message from the recipient; transforming the first portion of the e-mail message received to produce a second transformation of the e-mail message; comparing the second transformation of the e-mail message with the second portion of the e-mail message received; and providing to the recipient an indication of authenticity of the e-mail message responsive to the comparing step; wherein the receiving step comprises the step of providing a web site through which the recipient provides the first portion of the e-mail message and the second portion of the e-mail message; wherein the indication of authenticity of the e-mail message is provided to the recipient through the web site; and wherein the steps are performed at least part by one or more computer systems.