Cited in: RFC 1425
5 RFCs mentioned in the text of RFC 1425 (SMTP Service Extensions)
| 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 |
| 1123 | Requirements for Internet Hosts - Application and Support | Internet Standard | October 1989 |
| 1341 | MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies | Proposed Standard | June 1992 |
| 1342 | Representation of Non-ASCII Text in Internet Message Headers | Proposed Standard | June 1992 |