CONTENTS Title Page Copyright Page Preface 1 Introduction to MRX 1.1 The X.400 Network Concept 1.2 Management Domains 1.3 Organizations 1.4 Organizational Units 1.5 The X.400 Naming Scheme 2 Sending and Receiving Mail Through MRX 2.1 Addresses 2.1.1 Mailbox Name 2.1.2 Keywords 2.1.3 Domain-defined Attributes 2.1.4 Acceptable Keyword Combinations 2.1.5 Acceptable Characters 2.2 Abbreviating Addresses 2.3 Sending Mail to More Than One Recipient 2.4 Receiving Mail 3 Sending X.400 Mail Using ALL-IN-1 3.1 Addressing Mail Using the X.400 Addressing Form 3.1.1 Example 1: Addressing Mail to Another Country 3.2 Addressing Mail Using the Message Header 3.2.1 Example 2: Addressing Mail in Private Network 3.2.2 Example 3: Addressing Mail Through an ADMD 3.2.3 Example 4: Addressing Mail to Another Country 4 Sending X.400 Mail Using VMSmail 4.1 Example 5: Addressing Mail in a Private Network 4.2 Example 6: Addressing Mail Through an ADMD 4.3 Example 7: Addressing Mail to Another Country 5 Interpreting Non-delivery Notifications A Country Codes Glossary Administration Management Domain (ADMD) . . . Non-delivery Notification Organization . . . X.400 FIGURES 1-1 Part of the X.400 Messaging Network 3-1 ALL-IN-1 X.400 Addressing Form 3-2 X.400 DDA Overlay Form 3-3 Example 1: X.400 Addressing Form 3-4 Example 1 (Cont.): Domain-defined Attributes Form 3-5 Example 2: Addressing Mail in a Private Network 3-6 Example 3: Addressing Mail Through an ADMD 3-7 Example 4: Addressing Mail to Another Country 4-1 Example 5: Addressing Mail in a Private Network 4-2 Example 6: Addressing Mail Through an ADMD 4-3 Example 7: Addressing Mail to Another Country TABLES A-1 Country Codes