{
  "draft": "draft-ietf-kille-88to84downgrade-01",
  "doc_id": "RFC1328",
  "title": "X.400 1988 to 1984 downgrading",
  "authors": [
    "S. Hardcastle-Kille"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "5",
  "pub_status": "PROPOSED STANDARD",
  "status": "HISTORIC",
  "source": "Legacy",
  "abstract": "This document considers issues of downgrading from X.400(1988) to X.400(1984) [MHS88a, MHS84].  Annexe B of X.419 specifies some downgrading rules [MHS88b], but these are not sufficient for provision of service in an environment containing both 1984 and 1988 components.  This document defines a number of extensions to this annexe. [STANDARDS-TRACK]",
  "pub_date": "May 1992",
  "keywords": [
    "Electronic-mail",
    "message handling systems",
    "mail"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC1328",
  "errata_url": null
}