RFC 1734. POP3 AUTHentication command. J. Myers. December 1994.
(Status: PROPOSED STANDARD)
draft-siemborski-rfc1734bis.
RFC 1939. Post Office Protocol - Version 3. J. Myers and M. Rose. May 1996.
(Obsoletes RFC1725) (Updated by RFC1957, RFC2449) (Also STD0053)
(Status: STANDARD)
RFC 1957. Some Observations on Implementations of the Post Office Protocol
(POP3). R. Nelson. June 1996. (Updates RFC1939)
RFC 2195. IMAP/POP AUTHorize Extension for Simple Challenge/Response.
J. Klensin, R. Catoe, P. Krumviede. September 1997.
(Obsoletes RFC2095) (Status: PROPOSED STANDARD)
RFC 2449. POP3 Extension Mechanism. R. Gellens, C. Newman, L. Lundblade.
November 1998.
RFC 2595. Using TLS with IMAP, POP3 and ACAP. C. Newman. June 1999.
RFC 3206. The SYS and AUTH POP Response Codes. R. Gellens.
February 2002.
устаревшие тексты
RFC 918. Post Office Protocol. J.K. Reynolds. Oct-01-1984.
(Obsoleted by RFC0937) (Status: UNKNOWN)
RFC 937. Post Office Protocol: Version 2.
M. Butler, J. Postel, D. Chase, J. Goldberger, J.K. Reynolds.
Feb-01-1985. (Obsoletes RFC0918) (Status: HISTORIC)
RFC 1081. Post Office Protocol: Version 3. M.T. Rose. Nov-01-1988.
(Obsoleted by RFC1225) (Status: UNKNOWN)
RFC 1082. Post Office Protocol: Version 3: Extended service offerings.
M.T. Rose. Nov-01-1988. (Status: UNKNOWN)
RFC 1225. Post Office Protocol: Version 3. M.T. Rose. May-01-1991.
(Obsoletes RFC1081) (Obsoleted by RFC1460) (Status: DRAFT STANDARD)
RFC 1460. Post Office Protocol - Version 3. M. Rose. June 1993.
(Obsoletes RFC1225) (Obsoleted by RFC1725) (Status: DRAFT STANDARD)
RFC 1725. Post Office Protocol - Version 3. J. Myers and M. Rose.
November 1994.
(Obsoletes RFC1460) (Obsoleted by RFC1939, STD0053)
(Status: DRAFT STANDARD)
RFC 2095. IMAP/POP AUTHorize Extension for Simple Challenge/Response.
J. Klensin, R. Catoe, P. Krumviede. January 1997. (Obsoleted by RFC2195)