ITU-T Recommendations

This Recommendation is one of a series defining Message Handling in a distributed open systems environment. It defines the Message Store (MS) service which supports message retrieval from the MS, and message submission through the MS in a Message Handling System. It also provides message administration services.This edition has been revised to provide improved support in the following areas:- improved handling of authentication mechanisms when binding to the MS;- new attributes and procedures for managing multiple certificates in delivered and submitted messages;- improved handling of message tokens;- a new set of security errors;- facilities for recording the signature verification status of delivered messages;- additional matching rules;- additional attributes for correlating delivery reports.In addition, minor errors habe been removed, Message Store procedures have been revised and extended, and numerous clarifications have been introduced.