Transporting Secure/Multipurpose Internet Mail Extensions (S/MIME) Objects in X.400
P. Hoffman, C. Bonatti · 2004
This document describes protocol options for conveying objects that have been protected using the Cryptographic Message Syntax (CMS) and Secure/Multipurpose Internet Mail Extensions (S/MIME) version 3.1 over an X.400 message transfer system. [STANDARDS-TRACK]