Cited in: RFC 577
3 RFCs mentioned in the text of RFC 577 (Mail priority)
| RFC | Title | Status | Date |
|---|---|---|---|
| 524 | Proposed Mail Protocol | Unknown | June 1973 |
| 539 | Thoughts on the mail protocol proposed in RFC 524 | Unknown | July 1973 |
| 555 | Responses to critiques of the proposed mail protocol | Unknown | July 1973 |