Cited in: RFC 3206
3 RFCs mentioned in the text of RFC 3206 (The SYS and AUTH POP Response Codes)
| RFC | Title | Status | Date |
|---|---|---|---|
| 1939 | Post Office Protocol - Version 3 | Internet Standard | May 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 2449 | POP3 Extension Mechanism | Proposed Standard | November 1998 |