RFC 1521:MIME (Multipurpose Internet Mail Extensio...
RFC-Ref

fragment


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... Content-Type "message/partial" thus indicates that the body contains a fragment of a larger message. Three parameters must be specified in the Content-Type ...
... The second, "number", an integer, is the part number, which indicates where this part fits into the sequence of fragments. The third, "total", another integer, is the total number of parts. This third ...
... It should be noted that, because some message transfer agents may choose to automatically fragment large messages, and because such agents may use different fragmentation ...
... encountered in the context of conversion to and from message/partial fragments. ...


... The embedded multipart message has two parts to be displayed in parallel, a picture and an audio fragment. MIME-Version ...



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