Mapping between X.400(1988) / ISO 10021 and RFC 822

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RFC 1138               Mapping X.400(88) and 822           December 1989


   For each element of MTS.ReportDeliveryEnvelope.per-recipient-fields,
   a value of EBNF.dr-recipient, and an EBNF.drc-field (Recipient-Info)
   should be generated.  The components are mapped as follows.

   actual-recipient-name
        Used to generate the first EBNF.mailbox and EBNF.std-or in
        EBNF.recipient-info.  Both RFC 822 and X.400 forms are
        given, as there may be a problem in the mapping tables.  It
        also generates the EBNF.mailbox in EBNF.dr-recip-success or
        EBNF.dr-recip-failure.

   report
        If it is MTS.Report.delivery, then set EBNF.dr-recipient to
        EBNF.dr-recip-success, and similarly set EBNF.report-type,
        filling in EBNF.drc-success.  If it is a failure, set
        EBNF.dr-recipient to EBNF.dr-recip-failure, making a human
        interpretation of the reason and diagnostic codes, and
        including any supplementary information.  EBNF.drc-failure
        should be filled in systematically.

   converted-encoded-information-types
        Set EBNF.drc-field ("converted eits")

   originally-intended-recipient
        Set the second ("originally intended recipient") mailbox

        and

        std-or in EBNF.drc-field.

   supplementary-info
        Set EBNF.drc-field ("supplementary info"), and include this
        information in EBNF.dr-recip-failure.

   redirection-history
        Set EBNF.drc-field ("redirection history")

   physical-forwarding-address
        Set ENBF.drc-field ("physical forwarding address")

   recipient-certificate
        Discard

   proof-of-delivery
        Discard

   Any unknown extensions should be discarded, irrespective of
   criticality.



Kille                                                          [Page 75]