Request For Comments storage

	Author Info S.E. Kille 1986, June Mapping between X.400 and RFC 822 1987, September Addendum to RFC 987: (Mapping between X.400 and RFC-822) 1989, December Mapping between X.400(1988) / ISO 10021 and RFC 822 1990, March Mapping between X.400(1988) / ISO 10021 and RFC 822