Rec. ITU-T X.411 (09/1992) MESSAGE HANDLING SYSTEMS MESSAGE TRANSFER SYSTEM: ABSTRACT SERVICE DEFINITION AND PROCEDURES
FOREWORD
SECTION 1 INTRODUCTION
1 Scope
2 Normative references
    2.1 Open Systems Interconnection
    2.2 Message Handling Systems
    2.3 Directory Systems
    2.4 Country Codes
3 Definitions
4 Abbreviations
5 Conventions
    5.1 Terms
    5.2 Presence of Parameters
    5.3 Abstract Syntax Definitions
SECTION 2 MESSAGE TRANSFER SYSTEM ABSTRACT SERVICE
6 Message Transfer System Model
7 Message Transfer System Abstract Service Overview
    7.1 MTS Bind and Unbind
    7.2 Submission Port
    7.3 Delivery Port
    7.4 Administration Port
8 Message Transfer System Abstract Service Definition
    8.1 MTS-bind and MTS-unbind
    8.2 Submission Port
    8.3 Delivery Port
    8.4 Administration Port
    8.5 Common Parameter Types
9 Message Transfer System Abstract Syntax Definition
    9.1 Extension Mechanism
    9.2 Criticality Mechanism
SECTION 3 MESSAGE TRANSFER AGENT ABSTRACT SERVICE
10 Refined Message Transfer System Model
11 Message Transfer Agent Abstract Service Overview
    11.1 MTA-bind and MTA-unbind
    11.2 Transfer Port Abstract-operations
12 Message Transfer Agent Abstract Service Definition
    12.1 MTA-bind and MTA-unbind
    12.2 Transfer port
    12.3 Common Parameter Types
13 Message Transfer Agent Abstract Syntax Definition
SECTION 4 PROCEDURES FOR DISTRIBUTED OPERATION OF THE MTS
14 Procedures for Distributed Operation of the MTS
    14.1 Overview of the MTA Model
    14.2 Deferred Delivery Module
    14.3 Main Module
    14.4 Report Module
    14.5 MTS-bind and MTS-unbind
    14.6 Submission Port
    14.7 Delivery Port
    14.8 Administration Port
    14.9 MTA-bind and MTA-unbind
    14.10 Transfer Port
ANNEX A Reference Definition of MTS Object Identifiers
ANNEX B Reference Definition of MTS Parameter Upper Bounds
ANNEX C Differences between ISO/IEC and CCITT Versions
ANNEX D INDEX
ANNEX E Alphabetical list of abbreviations used in this Recommendation