Cited in: RFC 1873
2 RFCs mentioned in the text of RFC 1873 (Message/External-Body Content-ID Access Type)
| RFC | Title | Status | Date |
|---|---|---|---|
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES | Internet Standard | August 1982 |
| 1521 | MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies | Draft Standard | September 1993 |