Cited in: RFC 10080
11 RFCs mentioned in the text of RFC 10080 (Updated Use of the Expires Message Header Field)
| RFC | Title | Status | Date |
|---|---|---|---|
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES | Internet Standard | August 1982 |
| 1327 | Mapping between X.400(1988) / ISO 10021 and RFC 822 | Proposed Standard | May 1992 |
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 2156 | MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME | Proposed Standard | January 1998 |
| 4021 | Registration of Mail and MIME Header Fields | Proposed Standard | March 2005 |
| 5234 | Augmented BNF for Syntax Specifications: ABNF | Internet Standard | January 2008 |
| 5322 | Internet Message Format | Draft Standard | October 2008 |
| 5536 | Netnews Article Format | Proposed Standard | November 2009 |
| 5598 | Internet Mail Architecture | Informational | July 2009 |
| 7841 | RFC Streams, Headers, and Boilerplates | Informational | May 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words | Best Current Practice | May 2017 |