19.1 Internet Media Type message/http

In addition to defining the HTTP/1.1 protocol, this document serves as the specification for the Internet media type "message/http". The following is to be registered with IANA.

       Media Type name:         message
       Media subtype name:      http
       Required parameters:     none
       Optional parameters:     version, msgtype

        version: The HTTP-Version number of the enclosed message
                 (e.g., "1.1"). If not present, the version can be
                 determined from the first line of the body.

        msgtype: The message type -- "request" or "response". If not
                 present, the type can be determined from the first
                 line of the body.

       Encoding considerations: only "7bit", "8bit", or "binary" are
                                permitted

       Security considerations: none