Patent ID: 8661558
Filing Date: 2014-02-25
Classification: G06F,H04L

Abstract:
1. A computer program recorded on a non-transitory computer-readable recording medium included in an electronic mail security computer system for enabling increased security of e-mail messages, the computer program being comprised of instructions which, when read and executed by the electronic mail security computer system, cause the electronic mail security computer system to perform at least the following operations: store e-mail messages, each e-mail message including a security level and control attributes assigned by the e-mail message sender; authenticate a user in accordance with an authentication security level; permit the user to access e-mail messages having a security level equal to or less than the authentication security level; display each accessed e-mail message in accordance with the control attributes assigned to the accessed e-mail message; and change, in response to sender desires, control attributes assigned to an e-mail message after the e-mail message was sent and after the sender is successfully authenticated in accordance with the authentication security level.