The following documents are necessary to understand the syntax rulesmost of the remaining documents.  Note that some documents refer toRFC 2234 which has been replaced by RFC 5234:   rfc5234.txt	Augmented BNF for Syntax Specifications - ABNF   rfc4466.txt	Collected Extensions to IMAP4 ABNFThe following documents specify the IMAP protocol:   rfc3501.txt	Internet Message Access Protocol - Version 4rev1The following documents provide additional information which is usefulin understanding the IMAP protocol:   rfc1733.txt	Distributed Electronic Mail Models in IMAP4   rfc2180.txt	IMAP4 Multi-Accessed Mailbox Practice   rfc2683.txt	IMAP4 Implementation Recommendations   rfc4549.txt	Synchronization Operations for Disconnected IMAP4 ClientsThe following documents describe extensions to the IMAP protocol.Items marked with "*" are supported in this distribution:   rfc4314.txt	ACL * rfc3516.txt	BINARY   rfc4469.txt	CATENATE * rfc3348.txt	CHILDREN   rfc4978.txt	COMPRESS   rfc4551.txt	CONDSTORE   rfc5161.txt	ENABLE * rfc4731.txt	ESEARCH   rfc2971.txt	ID * rfc2177.txt	IDLE * rfc2088.txt	LITERAL+ * rfc2221.txt	LOGIN-REFERRALS * rfc2193.txt	MAILBOX-REFERRALS * rfc3502.txt	MULTIAPPEND * rfc2342.txt	NAMESPACE   rfc5162.txt	QRESYNC   rfc2087.txt	QUOTA * rfc4959.txt	SASL-IR * rfc4315.txt	UIDPLUS * rfc3691.txt	UNSELECT   rfc4467.txt	URLAUTH * rfc5032.txt	WITHINThe following documents describe SASL:   rfc4422.txt	Simple Authentication and Security Layer (SASL)and the SASL mechanisms supported in this distribution:   rfc4505.txt	ANONYMOUS   rfc2195.txt	CRAM-MD5   rfc4752.txt	GSSAPI   rfc4616.txt	PLAINThe following documents relate to internationalization issues:   rfc4790.txt	Internet Application Protocol Collation Registry   rfc5051.txt	i;unicode-casemap - Simple Unicode Collation AlgorithmThe following documents are primarily of historic interest:   rfc1732.txt	IMAP4 Compatibility with IMAP2 and IMAP2bis   rfc2061.txt	IMAP4 Compatibility with IMAP2bis   rfc2062.txt	Internet Message Access Protocol - Obsolete SyntaxThe following documents discuss matters which are related to IMAP:   rfc3503.txt	MDN Profile for IMAP   rfc3656.txt	MUPDATE Distributed Mailbox Database Protocol   rfc4468.txt	Message Submission BURL Extension   rfc5092.txt	IMAP URL Scheme