Patent ID: 8230018
Filing Date: 2012-07-24
Classification: G06F,H04L

Abstract:
1. A method for preserving confidentiality of an electronic mail from a sender to a recipient, comprising: authenticating identity information of the recipient based on data provided by an authentication server; restricting the recipient's ability to modify contents of the electronic mail, from a mail server, based on a confidentiality level established by the sender, wherein a user interface is to comprise a first set of confidentiality levels from which the sender is to select and wherein an alert flag is appended to the electronic mail in response to the user selection; encrypting the electronic mail, at the recipient, with the authenticated identity information if the recipient attempts to store the electronic mail to a local storage; and decrypting the electronic mail, at the recipient if the recipient attempts to retrieve the electronic mail from the local storage, wherein the sender and the recipient are each directly coupled to communicate with both the authentication server and the mail server.