The current POP3 standard is RFC 1939,3 and the current IMAP4rev1 standard is RFC 3501.4 Related RFCs are RFC 1731 (IMAP4 authentication mechanisms), RFC 1733 (Distributed electronic mail models in IMAP4), RFC 2342 (IMAP NAMESPACE command), and RFC 2449 (POP3 CAPA command). PMDF's message store IMAP server also supports RFC 2086 (IMAP4 ACL extension), RFC 2087 (IMAP4 QUOTA extension), RFC 2088 (IMAP4 non-synchronizing literals), and RFC 2359 (IMAP4 UIDPLUS extension)) For user authentication during IMAP or POP (or SMTP) connections, PMDF supports RFC 2222 (SASL; Simple Authentication Security Layer) and RFC 2554 (ESMTP AUTH).
Other RFCs supported in the legacy IMAP server as of PMDF V6.5 include RFC 3516 (IMAP4 BINARY extension), RFC 3348 (IMAP4 CHILDREN extension), RFC 4731 (IMAP4 ESEARCH extension), RFC 2177 (IMAP4 IDLE command), RFC 2088 (IMAP4 LITERAL+), RFC 2193 (IMAP4 MAILBOX-REFERRALS), RFC 4315 (IMAP4 UIDPLUS extension), RFC 3691 (IMAP4 UNSELECT command), and RFC 5032 (IMAP4 WITHIN search extension).
Copies of such recent RFCs can be found in the RFC subdirectory of the
PMDF documentation directory, i.e., in
PMDF_DOC:[rfc] on OpenVMS or in
on UNIX or in
C:\pmdf\doc\rfc (possibly on a drive other
C:) on NT. Note also that RFCs can be obtained via
anonymous FTP from venera.isi.edu.
3 This current standard obsoletes the older POP standards, including RFCs 918, 937, 1081, 1082, 1225, 1460 and 1725.
4 This current standard obsoletes the older IMAP standards including RFCs 2060, 1064, 1176, 1203, and 1730.