Patent ID: 8219798

Claim:
A method for frustrating unauthorized access to an electronic mail message having address, body and attachment information and being transmitted from a first computing device to a second computing device, comprising: at the first computing device: detecting a request to send the message from a mall user agent application being executed at the first computing device; extracting the body information from the message; encrypting the extracted body information; replacing the extracted body information in the message with the encrypted body information; extracting the attachment information from the message; encrypting the extracted attachment information; replacing the extracted attachment information in the message with the encrypted attachment information; and, returning the message having the encrypted body and attachment information to the mail user application for transmission to the second computing device in accordance with the address information; and transmitting the message having the encrypted body and attachment information in lieu of the extracted body and attachment information to a third computing device distinct from the second computing device; and, at the third computing device: decrypting and re-encrypting the transmitted body information; decrypting and re-encrypting the transmitted attachment information; and, transmitting the re-encrypted body and attachment information in lieu of the extracted body and attachment information to the second computing device.