Cited in: RFC 1648
3 RFCs mentioned in the text of RFC 1648 (Postmaster Convention for X.400 Operations)
| RFC | Title | Status | Date |
|---|---|---|---|
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES | Internet Standard | August 1982 |
| 1123 | Requirements for Internet Hosts - Application and Support | Internet Standard | October 1989 |
| 1327 | Mapping between X.400(1988) / ISO 10021 and RFC 822 | Proposed Standard | May 1992 |