1.2.1 Normative References
We conduct frequent surveys of the normative references to assure their continued availability. If you have any issue with finding a normative reference, please contact email@example.com. We will assist you in finding the relevant information.
[MS-OXPOP3] Microsoft Corporation, "Post Office Protocol Version 3 (POP3) Extensions".
[RFC1939] Myers, J., and Rose, M., "Post Office Protocol - Version 3", STD 53, RFC 1939, May 1996, http://www.rfc-editor.org/rfc/rfc1939.txt
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997, http://www.rfc-editor.org/rfc/rfc2119.txt
[RFC2449] Gellens, R., Newman, C., and Lundblade, L., "POP3 Extension Mechanism", RFC 2449, November 1998, http://www.rfc-editor.org/rfc/rfc2449.txt