1     Scope 
 2     Normative references 
 3     Definitions 
        3.1     Open Systems Interconnection 
        3.2     Directory systems 
 4     Abbreviations 
 5     Conventions 
 6     Purpose 
 7     Functional model of MHS 
        7.1     Description of the MHS model
        7.2     Structure of messages 
        7.3     Application of the MHS model
                  7.3.1     Physical mapping 
                  7.3.2     Organizational mapping 
                  7.3.3     Administration management domain 
                  7.3.4     Private management domain 
        7.4     Message store (MS)
                  7.4.1     Physical configurations 
                  7.4.2     Organizational configurations 
 8     Message transfer service 
        8.1     Submission and delivery 
        8.2     Transfer
        8.3     Notifications 
        8.4     User agent
        8.5     Message store 
        8.6     Access unit
        8.7     Use of the MTS in the provision of various services 
 9     IPM service 
        9.1     IPM service functional model
        9.2     Structure of IP-messages 
        9.3     IP-notifications 
10     Intercommunication with physical delivery services 
       10.1     Introduction 
       10.2     Organizational configurations 
11     Specialized access 
       11.1     Introduction 
       11.2     Telex access 
                  11.2.1     Registered access to the IPM service 
                  11.2.2     Non-registered (public) access to the IPM service 
       11.3     Facsimile access 
                  11.3.1     Non-registered (public) access from the IPM service 
12     Naming and addressing 
       12.1     Introduction 
       12.2     Directory names 
       12.3     OR-names 
       12.4     OR-addresses 
13     MHS use of directory 
       13.1     Introduction 
       13.2     Functional model
       13.3     Physical configurations 
14     Distribution lists in MHS 
       14.1     Introduction 
       14.2     Properties of a DL 
       14.3     Submission 
       14.4     DL use of a directory 
       14.5     DL expansion 
       14.6     Nesting   
       14.7     Recursion control
       14.8     Delivery   
       14.9     Routing loop control
      14.10     Notifications 
      14.11     DL-handling policy 
15     Security capabilities of MHS 
       15.1     Introduction 
       15.2     MHS-security threats 
                  15.2.1     Access threats 
                  15.2.2     Inter-message threats 
                  15.2.3     Intra-message threats 
                  15.2.4     Data-store threats 
       15.3     Security model
                  15.3.1     Secure access management and administration 
                  15.3.2     Secure messaging 
       15.4     MHS-security capabilities 
       15.5     Security management
       15.6     MHS-security dependencies 
       15.7     IPM security 
16     Conversion in MHS 
17     Use of the MHS in provision of public services 
18     Elements of service – Purpose 
19     Elements of service – Classification 
       19.1     Purpose of classification 
       19.2     Basic message transfer service 
       19.3     MT service optional user facilities 
       19.4     Base MH/PD service intercommunication 
       19.5     Optional user facilities for MH/PD service intercommunication 
       19.6     Base message store 
       19.7     MS optional user facilities 
       19.8     Basic interpersonal messaging service 
       19.9     IPM service optional user facilities 
Annex A – Glossary of terms    
        A.1     access unit (AU)
        A.2     actual recipient
        A.3     Administration 
        A.4     administration domain name 
        A.5     administration management domain (ADMD)
        A.6     alternate recipient
        A.7     attribute 
        A.8     attribute list
        A.9     attribute type 
       A.10     attribute value 
       A.11     basic service 
       A.12     body     
       A.13     body part
       A.14     common name 
       A.15     content    
       A.16     content type 
       A.17     conversion 
       A.18     country name 
       A.19     delivery   
       A.20     delivery report
       A.21     direct submission 
       A.22     directory 
       A.23     directory name 
       A.24     directory system agent (DSA)
       A.25     directory user agent (DUA)
       A.26     direct user
       A.27     distribution list (DL)
       A.28     distribution list expansion 
       A.29     distribution list name 
       A.30     domain   
       A.31     domain-defined attributes 
       A.32     element of service 
       A.33     encoded information type (EIT)
       A.34     envelope 
       A.35     explicit conversion 
       A.36     extension of physical delivery address components 
       A.37     extension of postal OR-address components 
       A.38     file transfer body part
       A.39     formatted postal OR-address 
       A.40     general text body part
       A.41     heading   
       A.42     immediate recipient
       A.43     implicit conversion 
       A.44     indirect submission 
       A.45     indirect user
       A.46     preferred recipient
       A.47     intercommunication 
       A.48     interpersonal messaging service 
       A.49     IP-message 
       A.50     local postal attributes 
       A.51     management domain (MD)
       A.52     management domain name 
       A.53     members 
       A.54     message   
       A.55     message handling (MH)
       A.56     message handling environment (MHE)
       A.57     message handling service 
       A.58     message handling system (MHS)
       A.59     message storage 
       A.60     message store (MS)
       A.61     message transfer (MT)
       A.62     message transfer agent (MTA)
       A.63     message transfer service 
       A.64     message transfer system (MTS)
       A.65     messaging system  
       A.66     mnemonic OR-address 
       A.67     naming authority 
       A.68     network address 
       A.69     non-delivery 
       A.70     non-registered access 
       A.71     numeric OR-address 
       A.72     numeric user identifier
       A.73     OR-address 
       A.74     OR-name 
       A.75     optional user facilities 
       A.76     organization name 
       A.77     organizational unit name 
       A.78     originator
       A.79     personal name 
       A.80     physical delivery (PD)
       A.81     physical delivery access unit (PDAU)
       A.82     physical delivery address components 
       A.83     physical delivery country name 
       A.84     physical delivery domain 
       A.85     physical delivery office address components 
       A.86     physical delivery office name 
       A.87     physical delivery office number
       A.88     physical delivery organization name 
       A.89     physical delivery personal name 
       A.90     physical delivery service 
       A.91     physical delivery service name 
       A.92     physical delivery system (PDS)
       A.93     physical message 
       A.94     physical rendition 
       A.95     postal code 
       A.96     postal OR-address 
       A.97     postal OR-address components 
       A.98     post office box address (P.O. Box address)
       A.99     poste restante address 
      A.100     potential recipient
      A.101     private domain name 
      A.102     private management domain (PRMD)
      A.103     probe   
      A.104     public message handling service 
      A.105     public services 
      A.106     receipt 
      A.107     recipient 
      A.108     recursion 
      A.109     redirection 
      A.110     registered access 
      A.111     report 
      A.112     retrieval 
      A.113     security capabilities 
      A.114     specialized access 
      A.115     standard attribute 
      A.116     street address 
      A.117     subject 
      A.118     subject message 
      A.119     subject probe 
      A.120     submission 
      A.121     substitute recipient
      A.122     terminal identifier
      A.123     terminal OR-address 
      A.124     terminal type 
      A.125     transfer  
      A.126     transfer system  
      A.127     transmittal
      A.128     unformatted postal OR-address 
      A.129     unique postal name 
      A.130     user  
      A.131     user agent (UA)
      A.132     voice body part
Annex B – Definitions of elements of service    
        B.1     access management MT 
        B.2     additional physical rendition PD     PR  
        B.3     alternate recipient allowed MT 
        B.4     alternate recipient assignment MT 
        B.5     authorization time indication IPM   
        B.6     authorizing users indication IPM   
        B.7     auto‑acknowledgement of IP‑messages IPM     MS-94 
        B.8     auto‑action log MS-94 
        B.9     auto‑advise IPM     MS 
       B.10     auto‑assignment of annotations MS-94 
       B.11     auto‑assignment of group names MS–94 
       B.12     auto‑assignment of storage period MS-94 
       B.13     auto‑correlation of IP‑messages IPM     MS-94 
       B.14     auto‑correlation of IP‑notifications IPM     MS-94 
       B.15     auto‑correlation of reports MS-94 
       B.16     auto‑deletion after storage period MS-94 
       B.17     auto‑discarding of IP‑messages IPM     MS-94 
       B.18     auto‑forwarded indication IPM   
       B.19     auto‑forwarding of IP‑messages IPM     MS 
       B.20     auto‑submitted indication IPM   
       B.21     basic physical rendition PD     PR  
       B.22     blind copy recipient indication IPM     PR  
       B.23     body part authentication and integrity IPM   
       B.24     body part encryption IPM   
       B.25     circulation list recipients indication IPM   
       B.26     content confidentiality MT 
       B.27     content integrity MT     PR  
       B.28     content type indication MT 
       B.29     conversion prohibition MT 
       B.30     conversion prohibition in case of loss of information MT 
       B.31     converted indication MT     PR  
       B.32     counter collection PD     PR  
       B.33     counter collection with advice PD     PR  
       B.34     cover page suppression MT     PR  
       B.35     cross‑referencing indication IPM   
       B.36     deferred delivery MT 
       B.37     deferred delivery cancellation MT 
       B.38     delivery log MS-94 
       B.39     delivery notification MT     PR  
       B.40     delivery time stamp indication MT     PR  
       B.41     delivery via bureaufax service PD     PR  
       B.42     designation of recipient by directory name MT     PR  
       B.43     disclosure of other recipients MT 
       B.44     distribution codes indication IPM   
       B.45     DL-exempted recipients MT 
       B.46     DL-expansion history indication MT 
       B.47     DL-expansion prohibited MT 
       B.48     EMS (Express Mail Service)  PD     PR  
       B.49     expiry date indication IPM   
       B.50     explicit conversion MT     PR  
       B.51     forwarded IP-message indication IPM   
       B.52     grade of delivery selection MT 
       B.53     hold for delivery MT 
       B.54     implicit conversion MT 
       B.55     importance indication IPM   
       B.56     incomplete copy indication IPM   
       B.57     information category indication IPM   
       B.58     IP‑message action status IPM     MS-94 
       B.59     IP‑message identification IPM   
       B.60     IP‑message security labelling IPM   
       B.61     language indication IPM   
       B.62     latest delivery designation MT 
       B.63     manual handling instructions indication IPM   
       B.64     message flow confidentiality MT 
       B.65     message identification MT 
       B.66     message origin authentication MT     PR  
       B.67     message security labelling MT 
       B.68     message sequence integrity MT     PR  
       B.69     MS register MS 
       B.70     multi‑destination delivery MT     PR  
       B.71     multi‑part body IPM   
       B.72     non‑delivery notification MT     PR  
       B.73     non‑receipt notification request indication IPM     PR  
       B.74     non‑repudiation of content received IPM     PR  
       B.75     non‑repudiation of delivery MT     PR  
       B.76     non‑repudiation of IP‑notification IPM     PR  
       B.77     non‑repudiation of origin MT     PR  
       B.78     non‑repudiation of submission MT 
       B.79     obsoleting indication IPM   
       B.80     ordinary mail PD     PR  
       B.81     original encoded information types indication MT 
       B.82     originator indication IPM   
       B.83     originator reference indication IPM   
       B.84     originator requested alternate recipient MT     PR  
       B.85     physical delivery notification by MHS PD     PR  
       B.86     physical delivery notification by PDS PD     PR  
       B.87     physical forwarding allowed PD     PR  
       B.88     physical forwarding prohibited PD     PR  
       B.89     precedence indication IPM     PR  
       B.90     prevention of non‑delivery notification MT     PR  
       B.91     primary and copy recipients indication IPM   
       B.92     probe MT 
       B.93     probe origin authentication MT 
       B.94     proof of content received IPM     PR  
       B.95     proof of delivery MT     PR  
       B.96     proof of IP‑notification IPM     PR  
       B.97     proof of submission MT 
       B.98     receipt notification request indication IPM     PR  
       B.99     redirection disallowed by originator MT 
      B.100     redirection of incoming messages MT 
      B.101     registered mail PD     PR  
      B.102     registered mail to addressee in person PD     PR  
      B.103     reply request indication IPM     PR  
      B.104     replying IP‑message indication IPM   
      B.105     report origin authentication MT 
      B.106     request for forwarding address PD     PR  
      B.107     request for non‑repudiation of content received IPM     PR  
      B.108     request for non‑repudiation of IP‑notification IPM     PR  
      B.109     request for proof of content received IPM     PR  
      B.110     request for proof of IP‑notification  IPM     PR  
      B.111     requested preferred delivery method MT     PR  
      B.112     restricted delivery MT 
      B.113     return of content MT 
      B.114     secure access management MT 
      B.115     sensitivity indication IPM   
      B.116     special delivery PD     PR  
      B.117     storage of draft messages MS-94 
      B.118     storage on submission MS-94 
      B.119     storage period assignment MS-94 
      B.120     stored message alert MS 
      B.121     stored message annotation MS-94 
      B.122     stored message deletion MS 
      B.123     stored message fetching MS 
      B.124     stored message grouping MS-94 
      B.125     stored message listing MS 
      B.126     stored message summary MS 
      B.127     subject indication IPM   
      B.128     submission log MS-94 
      B.129     submission of IP‑messages incorporating stored messages IPM     MS-94 
      B.130     submission time stamp indication MT 
      B.131     typed body IPM   
      B.132     undeliverable mail with return of physical message PD     PR  
      B.133     use of distribution list MT     PR  
      B.134     user/UA capabilities registration MT 
Annex C – Elements of service changes from 1992    
        C.1     New elements of service in 1996 version 
        C.2     Classification of new elements of service 
Annex D – Differences between ITU-T Recommendation F.400/X.400 and ISO/IEC 10021-1    
        D.1     Differences 
Annex E – Multinational PRMD