Cited in: RFC 1870
5 RFCs mentioned in the text of RFC 1870 (SMTP Service Extension for Message Size Declaration)
| RFC | Title | Status | Date |
|---|---|---|---|
| 821 | Simple Mail Transfer Protocol | Internet Standard | August 1982 |
| 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 |
| 1522 | MIME (Multipurpose Internet Mail Extensions) Part Two: Message Header Extensions for Non-ASCII Text | Draft Standard | September 1993 |
| 1869 | SMTP Service Extensions | Internet Standard | November 1995 |