This Recommendation | International Standard defines Interpersonal Messaging, a form of Message Handling tailored for ordinary interpersonal business or private correspondence.
This Recommendation | International Standard is one of a series on Message Handling. ITU-T Rec. X.402 | ISO/IEC 10021-2 constitutes the introduction to the series and identifies the other documents in it.
The architectural basis and foundation for Message Handling are defined in still other Recommendations | International Standards. ITU-T Rec. X.402 | ISO/IEC 10021-2 identifies those documents as well.
This Recommendation | International Standard is structured as follows. Section one is this introduction. Section two defines the kinds of information objects exchanged in Interpersonal Messaging. Section three defines the associated abstract service. Section four specifies how it is provided. Annexes provide important supplemental information.
The requirements for conformance to this Recommendation | International Standard are given in clause 22.