This is a list of RFCs used when designing GNU Mailutils. To read any
of them, visit http://tools.ietf.org/html/rfcNNNN, replacing NNNN with
the actual RFC number.

821	SIMPLE MAIL TRANSFER PROTOCOL
822	STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
934	Proposed Standard for Message Encapsulation
1413	Identification Protocol
1521	MIME  Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies
1731	IMAP4 Authentication Mechanisms
1734	POP3 AUTHentication command
1738	Uniform Resource Locators (URL)
1870	SMTP Service Extension for Message Size Declaration
1891	SMTP Service Extension for Delivery Status Notifications
1892	The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages
1893	Enhanced Mail System Status Codes
1894	An Extensible Message Format for Delivery Status Notifications
1939	Post Office Protocol - Version 3
1957	Some Observations on Implementations  of the Post Office Protocol (POP3)
2045	MIME Part One: Format of Internet Message Bodies
2046	MIME Part Two: Media Types
2047	MIME Part Three: Message Header Extensions for Non-ASCII Text
2049	MIME Part Five: Conformance Criteria and Examples
2060	INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 (+ rfc2060-errata)
2087	IMAP4 QUOTA extension
2088	IMAP4 non-synchronizing literals
2111	Content-ID and Message-ID Uniform Resource Locators
2177	IMAP4 IDLE command
2180	IMAP4 Multi-Accessed Mailbox Practice
2192	IMAP URL Scheme
2193	IMAP4 Mailbox Referrals
2195	IMAP/POP AUTHorize Extension for Simple Challenge/Response
2221	IMAP4 Login Referrals
2222	Simple Authentication and Security Layer (SASL)
2231	MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
2245	Anonymous SASL Mechanism
2298	An Extensible Message Format for Message Disposition Notifications
2342	IMAP4 Namespace
2368	The mailto URL scheme
2384	POP URL Scheme
2444	The One-Time-Password SASL Mechanism
2449	POP3 Extension Mechanism
2595	Using TLS with IMAP, POP3 and ACAP
2683	IMAP4 Implementation Recommendations
2808	The SecurID(r) SASL Mechanism
2821	Simple Mail Transfer Protocol
2822	Internet Message Format
2831	Using Digest Authentication as a SASL Mechanism
3028	Sieve: A Mail Filtering Language
3206	The SYS and AUTH POP Response Codes
3348	The Internet Message Action Protocol (IMAP4) Child Mailbox Extension
3431	Sieve Extension: Relational Tests
3501	INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1
3691	Internet Message Access Protocol (IMAP) UNSELECT command
4314	IMAP4 Access Control List (ACL) Extension
