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+The following documents are necessary to understand the syntax rules
+most of the remaining documents. Note that some documents refer to
+RFC 2234 which has been replaced by RFC 5234:
+ rfc5234.txt Augmented BNF for Syntax Specifications - ABNF
+ rfc4466.txt Collected Extensions to IMAP4 ABNF
+
+
+The following documents specify the IMAP protocol:
+ rfc3501.txt Internet Message Access Protocol - Version 4rev1
+
+
+The following documents provide additional information which is useful
+in 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 Clients
+
+
+The 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 WITHIN
+
+
+The 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 PLAIN
+
+
+The following documents relate to internationalization issues:
+ rfc4790.txt Internet Application Protocol Collation Registry
+ rfc5051.txt i;unicode-casemap - Simple Unicode Collation Algorithm
+
+
+The 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 Syntax
+
+
+The 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