RFC Archive
MAIL PROTOCOLS
- Transport Protocols
- Access Protocols
- Formats
- Interfaceing to other mailsystems
- Privacy
- News
- Compression Formats
- Representation Formats
- Manegment
- MTP, SMTP & Related
- Current
-
RFC 821
- Simple Mail Transfer Protocol
(Replaces RFC 788)
-
RFC 974
- Mail routing and the domain system
-
RFC 1047
- Duplicate messages and SMTP
-
RFC 1090
- SMTP on X.25
-
RFC 1428
- Transition of Internet Mail from Just-Send-8 to 8Bit-SMTP/MIME
-
RFC 1429
- Listserv Distribute Protocol
-
RFC 1641
- Using Unicode with MIME
-
RFC 1652
- SMTP Service Extension for 8bit-MIMEtransport
(Replaces RFC 1426)
-
RFC 1711
- Classifications in E-mail Routing
-
RFC 1830
- SMTP Service Extensions for Transmission of Large and Binary MIME Messages
-
RFC 1845
- SMTP Service Extension for Checkpoint/Restart
-
RFC 1846
- SMTP 521 reply code
-
RFC 1869
- SMTP Service Extensions
(Replaces RFC 1651)
-
RFC 1870
- SMTP Service Extension for Message Size Declaration
(Replaces RFC 1653)
-
RFC 1891
- SMTP Service Extension for Delivery Status Notifications
-
RFC 1893
- Enhanced Mail System Status Codes
-
RFC 1985
- SMTP Service Extension for Remote Message Queue Starting
-
RFC 2034
- SMTP Service Extension for Returning Enhanced Error Codes
-
RFC 2152
- UTF-7 - A Mail-Safe Transformation Format of Unicode
(Replaces RFC 16422)
-
RFC 2197
- SMTP Service Extension for Command Pipelining
(Replaces RFC 1854)
- Old
-
RFC 772
- Mail Transfer Protocol
(Replaced by RFC 780)
-
RFC 780
- Mail Transfer Protocol
(Replaces RFC 772, Replaced by RFC 788)
-
RFC 788
- Simple Mail Transfer Protocol
(Replaces RFC 780, Replaced by RFC 821)
-
RFC 1425
- SMTP Service Extensions
(Replaced by RFC 1651)
-
RFC 1426
- SMTP Service Extension for 8bit-MIMEtransport
(Replaced by RFC 1652)
-
RFC 1427
- SMTP Service Extension for Message Size Declaration
(Replaced by RFC 1653)
-
RFC 1642
- UTF-7 - A Mail-Safe Transformation Format of Unicode
(Replaced by RFC 2152)
-
RFC 1651
- SMTP Service Extensions
(Replaces RFC 1425, Replaced by RFC 1869)
-
RFC 1653
- SMTP Service Extension for Message Size Declaration
(Replaces RFC 1427, Replaced by RFC 1870)
-
RFC 1854
- SMTP Service Extension for Command Pipelining
(Replaced by RFC 2197)
- IMAP - Internet Mail Access Protocol
- Current
-
RFC 1176
- Interactive Mail Access Protocol - Version 2
(Replaces RFC1064)
-
RFC 1203
- Interactive Mail Access Protocol - Version 3
(Replaces RFC1064)
-
RFC 1731
- IMAP4 Authentication mechanisms
-
RFC 1732
- IMAP4 COMPATIBILITY WITH IMAP2 AND IMAP2BIS
-
RFC 1733
- DISTRIBUTED ELECTRONIC MAIL MODELS IN IMAP4
-
RFC 2060
- INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1
(Replaces RFC 1730)
-
RFC 2061
- IMAP4 COMPATIBILITY WITH IMAP2BIS
-
RFC 2062
- Internet Message Access Protocol - Obsolete Syntax
-
RFC 2086
- IMAP4 ACL extension
-
RFC 2087
- IMAP4 QUOTA extension
-
RFC 2088
- IMAP4 non-synchroniziong literals
-
RFC 2177
- IMAP4 IDLE command
-
RFC 2180
- IMAP4 Multi-Accessed Mailbox Practice
-
RFC 2192
- IMAP URL Scheme
-
RFC 2193
- IMAP4 Mailbox Referrals
-
RFC 2195
- IMAP/POP AUTHorize Extension for Simple Challenge/Response
(Replaces RFC 2095)
-
RFC 2221
- IMAP4 Login Referrals
- Old
-
RFC 1064
- Interactive Mail Access Protocol - Version 2
(Replaced by RFC 1176 and RFC 1203)
-
RFC 1730
- INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4
(Replaced by RFC 2060)
-
RFC 2095
- IMAP/POP AUTHorize Extension for Simple Challenge/Response
(Replaced by RFC 2195)
- PCMAIL
- Current
-
RFC 1056
- PCMAIL: A distributed mail system for personal computers
(Replaces RFC 993)
- Old
-
RFC 984
- PCMAIL: A distributed mail system for personal computers
(Replaced by RFC 993)
-
RFC 993
- PCMAIL: A distributed mail system for personal computers
(Replaces RFC 984, Replaced by RFC 1056)
- POP - Post Office Protocol
- Current
-
RFC 937
- Post Office Protocol - Version 2
(Replaces RFC 918)
-
RFC 1082
- Post Office Protocol - Version 3: Extended service offerings
-
RFC 1734
- POP3 AUTHentication command
-
RFC 1939
- Post Office Protocol - Version 3
(Replaces RFC 1725)
-
RFC 2095
- IMAP/POP AUTHorize Extension for Simple Challenge/Response
- Informational
-
RFC 1957
- Some Observations on Implementations of the Post Office Protocol (POP3)
- Old
-
RFC 918
- Post Office Protocol
(Replaced by RFC 937)
-
RFC 1081
- Post Office Protocol - Version 3
(Replaced by RFC 1225)
-
RFC 1225
- Post Office Protocol - Version 3
(Replaces RFC 1081, Replaced by RFC 1460)
-
RFC 1460
- Post Office Protocol - Version 3
(Replaces RFC 1225, Replaced by RFC 1725)
-
RFC 1725
- Post Office Protocol - Version 3
(Replaces RFC 1460, Replaced by RFC 1939)
- Others
- Current
-
RFC 1339
- Remote Mail Checking Protocol
-
RFC 2033
- Local Mail Transfer Protocol
- 822 & MIME
- Current
-
RFC 822
- Standard for the format of ARPA Internet text messages
(Replaces RFC 733, Updated by RFC 987 and RFC 1148)
-
RFC 1049
- Content-type header field for Internet messages
(Updated by RFC 1154)
-
RFC 1343
- A User Agent Configuration Mechanism For Multimedia Mail Format Information
-
RFC 1344
- Implications of MIME for Internet Mail Gateways
-
RFC 1345
- Character Mnemonics & Character Sets
-
RFC 1357
- A Format for E-mailing Bibliographic Records
-
RFC 1428
- Transition of Internet Mail from Just-Send-8 to 8Bit-SMTP/MIME
-
RFC 1437
- The Extension of MIME Content-Types to a New Medium
-
RFC 1456
- Conventions for Encoding the Vietnamese Language VISCII: VIetnamese Standard Code for Information Interchange VIQR: VIetnamese Quoted-Readable Specification Revision 1.1
-
RFC 1468
- Japanese Character Encoding for Internet Messages
-
RFC 1489
- Registration of a Cyrillic Character Set
-
RFC 1505
- Encoding Header Field for Internet Messages
(Replaces RFC 1154)
-
RFC 1524
- A User Agent Configuration Mechanism For Multimedia Mail Format Information
-
RFC 1528
- Principles of Operation for the TPC.INT Subdomain: Remote Printing -- Technical Procedures
(Replaced RFC 1486)
-
RFC 1529
- Principles of Operation for the TPC.INT Subdomain: Remote Printing -- Administrative Policies
(Replaced RFC 1486)
-
RFC 1530
- Principles of Operation for the TPC.INT Subdomain: General Principles and Policy
-
RFC 1554
- ISO-2022-JP-2: Multilingual Extension of ISO-2022-JP
-
RFC 1555
- Hebrew Character Encoding for Internet Messages
-
RFC 1556
- Handling of Bi-directional Texts in MIME
-
RFC 1557
- Korean Character Encoding for Internet Messages
-
RFC 1664
- Using the Internet DNS to Distribute RFC1327 Mail Address Mapping Tables
-
RFC 1703
- Principles of Operation for the TPC.INT Subdomain: Radio Paging -- Technical Procedures
(Replaces RFC 1569)
-
RFC 1740
- MIME Encapsulation of Macintosh files - MacMIME
-
RFC 1741
- MIME Content Type for BinHex Encoded Files
-
RFC 1766
- Tags for the Identification of Languages
-
RFC 1767
- MIME Encapsulation of EDI Objects
-
RFC 1806
- Communicating Presentation Information in Internet Messages: The Content-Disposition Header
-
RFC 1815
- Character Sets ISO-10646 and ISO-10646-J-1
-
RFC 1842
- ASCII Printable Characters-Based Chinese Character Encoding for Internet Messages
-
RFC 1843
- HZ - A Data Format for Exchanging Files of Arbitrarily Mixed Chinese and ASCII characters
-
RFC 1844
- Multimedia E-mail (MIME) User Agent Checklist
(Replaces RFC 1820)
-
RFC 1847
- Security Multiparts for MIME: Multipart/Signed and Multipart/Encrypted
-
RFC 1848
- MIME Object Security Services
-
RFC 1864
- The Content-MD5 Header Field
(Replaces RFC 1544)
-
RFC 1873
- Message/External-Body Content-ID Access Type
-
RFC 1874
- SGML Media Types
-
RFC 1892
- The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages
-
RFC 1894
- An Extensible Message Format for Delivery Status Notifications
-
RFC 1895
- The Application/CALS-1840 Content-type
-
RFC 1896
- The text/enriched MIME Content-type
(Replaces RFC 1563)
-
RFC 1911
- Voice Profile for Internet Mail
-
RFC 1922
- Chinese Character Encoding for Internet Messages
-
RFC 1927
- Suggested Additional MIME Types for Associating Documents
-
RFC 1947
- Greek Character Encoding for Electronic Mail Messages
-
RFC 1991
- PGP Message Exchange Formats
-
RFC 2015
- MIME Security with Pretty Good Privacy (PGP)
-
RFC 2017
- Definition of the URL MIME External-Body Access-Type
-
RFC 2045
- Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
(Replaces RFC 1521, Updated by RFC 2184 and RFC 2231)
-
RFC 2046
- Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types
(Replaces RFC 1521)
-
RFC 2047
- MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
(Replaces RFC 1522, Updated by RFC 2184 and RFC 2231)
-
RFC 2048
- Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
(Replaces RFC 1590)
-
RFC 2049
- Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples
(Replaces RFC 1521)
-
RFC 2076
- Common Internet Message Headers
-
RFC 2077
- The Model Primary Content Type for Multipurpose Internet Mail Extensions
-
RFC 2110
- MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)
-
RFC 2112
- The MIME Multipart/Related Content-type
(Replaces RFC 1872)
-
RFC 2156
- MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME
(Updated RFC 822, Replaces RFC 987, 1026, 1138, 1148, 1327, 1495)
-
RFC 2157
- Mapping between X.400 and RFC-822/MIME Message Bodies
-
RFC 2158
- X.400 Image Body Parts
-
RFC 2159
- A MIME Body Part for FAX
-
RFC 2160
- Carrying PostScript in X.400 and MIME
-
RFC 2161
- A MIME Body Part for ODA
-
RFC 2183
- Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field
(Updates RFC 1806, Updated by RFC 2184 and RFC 2231)
-
RFC 2231
- MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
(Updates RFC 2045, RFC 2047 and RFC 2183, Replaces RFC 2184)
-
RFC 2237
- Japanese Character Encoding for Internet Messages
-
RFC 2279
- UTF-8, a transformation format of ISO 10646
(Replaces RFC 2044)
-
RFC 2298
- An Extensible Message Format for Message Disposition Notifications
- Old
-
RFC 561
- Standardizing Network Mail Headers
(Updated by RFC 680)
-
RFC 724
- Proposed official standard for the format of ARPA Network messages
(Replaced by RFC 733)
-
RFC 733
- Standard for the format of ARPA network text messages
(Replaces RFC 561, RFC 680 and RFC 724, Replaced by RFC 822)
-
RFC 1154
- Encoding Header Field for Internet Messages
(Updates RFC 1049, Replaced by RFC 1505)
-
RFC 1341
- MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies
(Replaced by RFC 1521)
-
RFC 1342
- Representation of Non-ASCII Text in Internet Message Headers
(Replaced by RFC 1522)
-
RFC 1486
- An Experiment in Remote Printing
(Replaced by RFC 1528 and RFC 1529)
-
RFC 1521
- MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies
(Replaces RFC 1341, Updated by RFC 1590, Replaced by RFC 2045, RFC 2046 and RFC 2049)
-
RFC 1522
- MIME (Multipurpose Internet Mail Extensions) Part Two: Message Header Extensions for Non-ASCII Text
(Replaces RFC 1342, Replaced by RFC 2047
-
RFC 1523
- The text/enriched MIME Content-type
(Replaced by RFC 1563)
-
RFC 1544
- The Content-MD5 Header Field
(Replaced by RFC 1864)
-
RFC 1563
- The text/enriched MIME Content-type
(Replaces RFC 1523, Replaced by RFC 1896)
-
RFC 1569
- Principles of Operation for the TPC.INT Subdomain: Radio Paging -- Technical Procedures
(Replaced by RFC 1703)
-
RFC 1590
- Media Type Registration Procedure
(Updates RFC 1521, Replaced by RFC 2048)
-
RFC 1820
- Multimedia E-mail (MIME) User Agent Checklist
(Replaced by RFC 1844)
-
RFC 1872
- The MIME Multipart/Related Content-type
(Replaced by RFC 2112)
-
RFC 2044
- UTF-8, a transformation format of Unicode and ISO 10646
(Replaced by RFC 2279)
-
RFC 2184
- MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
(Updates RFC 2045, RFC 2047 and RFC 2183, Replaced by RFC 2231)
-
RFC 886
- Proposed standard for message header munging
-
RFC 934
- Proposed standard for message encapsulation
-
RFC 1153
- Digest message format
- UUCP Mail
- Current
-
RFC 976
- UUCP Mail Interchange Format Standard
- Current
-
RFC 1138
- Mapping between X.400(1988) / ISO 10021 and RFC 822
(Updates RFC 1026)
-
RFC 1494
- Equivalences between 1988 X.400 and RFC-822 Message Bodies
-
RFC 1495
- Mapping between X.400 and RFC-822 Message Bodies
(Updates RFC 1327)
-
RFC 1496
- Rules for downgrading messages from X.400/88 to X.400/84 when MIME content-types are present in the messages
(Updates RFC 1328)
-
RFC 1502
- X.400 Use of Extended Character Sets
-
RFC 1506
- A tutorial on gatewaying between X.400 and Internet mail
-
RFC 1615
- Migrating from X.400(84) to X.400(88)
-
RFC 1616
- X.400(1988) for the Academic and Research Community in Europe
-
RFC 1648
- Postmaster Convention for X.400 Operations
-
RFC 1649
- Operational Requirements for X.400 Management Domains in the GO-MHS Community
-
RFC 1685
- Writing X.400 O/R Names
-
RFC 2162
- MaXIM-11 - Mapping between X.400 / Internet mail and Mail-11 mail
(Replaces RFC 1405)
- Old
-
RFC 987
- Mapping between X.400 and RFC 822
(Updates RFC 822, Updated by RFC 1026)
-
RFC 1026
- Mapping between X.400 and RFC-822
(Updates RFC 987, Updated by RFC 1138)
-
RFC 1148
- Mapping between X.400 (1988) / ISO 10021 and RFC 822
(Replaces RFC 987, Replaced by RFC 1327)
-
RFC 1327
- Mapping between X.400(1988) / ISO 10021 and RFC 822
(Updates RFC 822, Replaced by RFC 1495)
-
RFC 1328
- X.400 1988 to 1984 downgrading
(Updated by RFC 1496)
-
RFC 1405
- Mapping between X.400(1984/1988) and Mail-11 (DECnet mail)
(Replaced by RFC 2162)
-
RFC 1137
- Mapping between full RFC 822 and RFC 822 with restricted
encoding
- Current
-
RFC 1319
- The MD2 Message-Digest Algorithm
(Updates RFC 1115)
-
RFC 1421
- Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication Procedures
(Replaces RFC 1113)
-
RFC 1422
- Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key Management
(Replaces RFC 1114)
-
RFC 1423
- Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and Identifiers
(Replaces RFC 1115)
-
RFC 1424
- Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related Services
- Old
-
RFC 989
- Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication procedures
(Replaced by RFC 1040 and RFC 1113)
-
RFC 1040
- Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication procedures
(Replaces RFC 989, Replaced by RFC 1113)
-
RFC 1113
- Privacy enhancement for Internet electronic mail: Part I - message encipherment and authentication procedures
(Replaces RFC 989 and RFC 1040, Replaced by RFC 1421)
-
RFC 1114
- Privacy enhancement for Internet electronic mail: Part II - certificate-based key management
(Replaced by RFC 1422)
-
RFC 1115
- Privacy enhancement for Internet electronic mail: Part III - algorithms, modes, and identifiers
(Updated by RFC 1319, Replaced by RFC 1423)
- Current
-
RFC 977
- Network News Transfer Protocol
-
RFC 1036
- Standard for interchange of USENET messages
(Replaces RFC 850)
-
RFC 1204
- Message Posting Protocol (MPP)
-
RFC 1312
- Message Send Protocol
(Replaces RFC 1159)
- Old
-
RFC 850
- Standard for interchange of USENET messages
(Replaced by RFC 1036)
-
RFC 1159
- Message Send Protocol
(Replaced by RFC 1312)
- Current
-
RFC 1314
- A File Format for the Exchange of Images in the Internet
-
RFC 1950
- ZLIB Compressed Data Format Specification version 3.3
-
RFC 1951
- DEFLATE Compressed Data Format Specification version 1.3
-
RFC 1952
- GZIP file format specification version 4.3
-
RFC 2083
- PNG (Portable Network Graphics) Specification Version 1.0
- Current
-
RFC 1003
- Issues in Defining an Equations Representation Standard
-
RFC 1019
- Report of the Workshop on Environments for Computational Mathematics July 30, 1987 ACM SIGGRAPH Conference Anaheim Convention Center, Anaheim, California
- Current
-
RFC 1211
- Problems with the Maintenance of Large Mailing Lists
-
RFC 2142
- MAILBOX NAMES FOR COMMON SERVICES, ROLES AND FUNCTIONS
RFC 1168
Intermail and Commercial Mail Relay services
Magnus Danielson <cfmd(at)bredband(dot)net>