1The following documents are necessary to understand the syntax rules 2most of the remaining documents. Note that some documents refer to 3RFC 2234 which has been replaced by RFC 5234: 4 rfc5234.txt Augmented BNF for Syntax Specifications - ABNF 5 rfc4466.txt Collected Extensions to IMAP4 ABNF 6 7 8The following documents specify the IMAP protocol: 9 rfc3501.txt Internet Message Access Protocol - Version 4rev1 10 11 12The following documents provide additional information which is useful 13in understanding the IMAP protocol: 14 rfc1733.txt Distributed Electronic Mail Models in IMAP4 15 rfc2180.txt IMAP4 Multi-Accessed Mailbox Practice 16 rfc2683.txt IMAP4 Implementation Recommendations 17 rfc4549.txt Synchronization Operations for Disconnected IMAP4 Clients 18 19 20The following documents describe extensions to the IMAP protocol. 21Items marked with "*" are supported in this distribution: 22 rfc4314.txt ACL 23 * rfc3516.txt BINARY 24 rfc4469.txt CATENATE 25 * rfc3348.txt CHILDREN 26 rfc4978.txt COMPRESS 27 rfc4551.txt CONDSTORE 28 rfc5161.txt ENABLE 29 * rfc4731.txt ESEARCH 30 rfc2971.txt ID 31 * rfc2177.txt IDLE 32 * rfc2088.txt LITERAL+ 33 * rfc2221.txt LOGIN-REFERRALS 34 * rfc2193.txt MAILBOX-REFERRALS 35 * rfc3502.txt MULTIAPPEND 36 * rfc2342.txt NAMESPACE 37 rfc5162.txt QRESYNC 38 rfc2087.txt QUOTA 39 * rfc4959.txt SASL-IR 40 * rfc4315.txt UIDPLUS 41 * rfc3691.txt UNSELECT 42 rfc4467.txt URLAUTH 43 * rfc5032.txt WITHIN 44 45 46The following documents describe SASL: 47 rfc4422.txt Simple Authentication and Security Layer (SASL) 48and the SASL mechanisms supported in this distribution: 49 rfc4505.txt ANONYMOUS 50 rfc2195.txt CRAM-MD5 51 rfc4752.txt GSSAPI 52 rfc4616.txt PLAIN 53 54 55The following documents relate to internationalization issues: 56 rfc4790.txt Internet Application Protocol Collation Registry 57 rfc5051.txt i;unicode-casemap - Simple Unicode Collation Algorithm 58 59 60The following documents are primarily of historic interest: 61 rfc1732.txt IMAP4 Compatibility with IMAP2 and IMAP2bis 62 rfc2061.txt IMAP4 Compatibility with IMAP2bis 63 rfc2062.txt Internet Message Access Protocol - Obsolete Syntax 64 65 66The following documents discuss matters which are related to IMAP: 67 rfc3503.txt MDN Profile for IMAP 68 rfc3656.txt MUPDATE Distributed Mailbox Database Protocol 69 rfc4468.txt Message Submission BURL Extension 70 rfc5092.txt IMAP URL Scheme 71