US Patent 7877454 Electronic messaging

Methods of producing and sending an e-message include receiving addressee instructions from a sender for a single sender e-message indicating addresses of first and second intended destinations of at least portions of content of the single sender e-message; associating a first content portion of the single e-message with the first intended destination, the first content portion being intended to be received by the first intended destination; and sending the first content portion toward the first intended destination in a destination e-message such that the first content portion is accessible at the first intended destination and is inhibited from being accessed at the second intended destination.