Email system/External Links
- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
RFCs
RFC-1939, STD-53 (1996), "Post Office Protocol - Version 3", J. Myers, M. Rose, http://tools.ietf.org/html/rfc1939. IETF Standard. POP3, the most common protocol used by mail clients to access a mailstore.
RFC-2045..2049 (1996), "Multipurpose Internet Mail Extensions (MIME)", Parts 1..5, N. Freed, N. Borenstein, K. Moore, J. Klensin, J. Postel, http://tools.ietf.org/html/rfc2045 ... IETF Standards Track. Extensions to allow encoding of graphics and other non-ASCII content in email message bodies.
RFC-3501 (2003), "Internet Message Access Protocol - Version 4rev1", M. Crispin, http://tools.ietf.org/html/rfc3501. IETF Standards Track. An access protocol more versatile than POP3, allowing messages to be organized and kept at the mailstore.
RFC-5321 (2008), "Simple Mail Transfer Protocol", J. Klensin, ed., http://tools.ietf.org/html/rfc5321. IETF Draft Standard. Original SMTP plus recent extensions (ESMTP).
RFC-5322 (2008), "Internet Message Format", P. Resnick, ed., http://tools.ietf.org/html/rfc5322. IETF Draft Standard. Basic email message formats, including headers.
RFC-5598 (2009), "Internet Mail Architecture", D. Crocker, http://tools.ietf.org/html/rfc5598. IETF Informational document. A detailed look at email system architecture.