Cited in: RFC 680
1 RFCs mentioned in the text of RFC 680 (Message Transmission Protocol)
| RFC | Title | Status | Date |
|---|---|---|---|
| 561 | Standardizing Network Mail Headers | Unknown | September 1973 |
1 RFCs mentioned in the text of RFC 680 (Message Transmission Protocol)
| RFC | Title | Status | Date |
|---|---|---|---|
| 561 | Standardizing Network Mail Headers | Unknown | September 1973 |