RFC 2980 - Common NNTP Extensions. S. Barber. October 2000. Updated by RFC 3977, 4643 and 4644. RFC 0977 - The Network News Transfer Protocol (NNTP). B. Kantor, P. Lapsley. February 1986. Obsoleted by RFC 3977. RFC 1036 - Standard for Interchange of USENET Messages. M.R. Horton, R. Adams. December 1987. Obsoleted by RFC 5536 and 5537. RFC 3977 - Network News Transfer Protocol (NNTP). C. Feather. October 2006. Obsoletes RFC 977, updates 2980. RFC 3501 - Specifies the Internet Message Access Protocol (IMAP), which can allow a client to access and manipulate electronic mail messages on a server and which can also be used for reading newsgroups. RFC 4643 - Network News Transfer Protocol (NNTP) Extension for Authentication. J. Vinocur, K. Murchison. October 2006. Updates RFC 2980. RFC 4644 - Network News Transfer Protocol (NNTP) Extension for Streaming Feeds. J. Vinocur, K. Murchison. October 2006. Updates RFC 2980. RFC 4642 - Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP). K. Murchison, J. Vinocur, C. Newman. October 2006. RFC 4707 - Netnews Administration System (NAS). P. Grau, V. Heinau, H. Schlichting, R. Schuettler. October 2006. RFC 5536 - Netnews Article Format. K. Murchison, C. Lindsey, D. Kohn. November 2009. Obsoletes RFC 1036. RFC 5537 - Netnews Architecture and Protocols. R. Allbery, C. Lindsey. November 2009. Obsoletes RFC 1036.