2. The method of claim 1 wherein the header properties are simple mail transfer protocol (SMTP) x-header properties.
2. The method of claim 1 wherein the header properties are simple mail transfer protocol (SMTP) x-header properties. 7. The method of claim 2 further comprising adding recognizable classification properties and visual markings to the message form by inserting a security classification identifier into a subject line of the message based upon the security classification selection input.