Cited in: RFC 555
4 RFCs mentioned in the text of RFC 555 (Responses to critiques of the proposed mail protocol)
| RFC | Title | Status | Date |
|---|---|---|---|
| 524 | Proposed Mail Protocol | Unknown | June 1973 |
| 539 | Thoughts on the mail protocol proposed in RFC 524 | Unknown | July 1973 |
| 542 | File Transfer Protocol | Unknown | August 1973 |
| 552 | Single access to standard protocols | Unknown | July 1973 |