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Table of Contents:
Simple Mail Transfer Protocol (SMTP)
- RFC 3461 Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs)
- RFC 3207 SMTP Service Extension for Secure SMTP over Transport Layer Security
- RFC 3030 SMTP Service Extensions for Transmission of Large and Binary MIME Messages
- RFC 2920 SMTP Service Extension for Command Pipelining
- RFC 2852 Deliver By SMTP Service Extension
- RFC 2822 Internet Message Format
- RFC 2821 Simple Mail Transfer Protocol
- RFC 2645 ON-DEMAND MAIL RELAY (ODMR) SMTP with Dynamic IP Addresses
- RFC 2554 SMTP Service Extension for Authentication
- RFC 2505 Anti-Spam Recommendations for SMTP MTAs
- RFC 2487 SMTP Service Extension for Secure SMTP over TLS
- RFC 2442 The Batch SMTP Media Type
- RFC 2197 SMTP Service Extension for Command Pipelining
- RFC 2034 SMTP Service Extension for Returning Enhanced Error Codes
- RFC 1985 SMTP Service Extension for Remote Message Queue Starting
- RFC 1891 SMTP Service Extension for Delivery Status Notifications
- RFC 1870 SMTP Service Extension for Message Size Declaration
- RFC 1869 SMTP Service Extensions
- RFC 1854 SMTP Service Extension for Command Pipelining
- RFC 1846 SMTP 521 Reply Code
- RFC 1845 SMTP Service Extension for Checkpoint/Restart
- RFC 1830 SMTP Service Extensions for Transmission of Large and Binary MIME Messages
- RFC 1653 SMTP Service Extension for Message Size Declaration
- RFC 1652 SMTP Service Extension for 8bit-MIMEtransport
- RFC 1651 SMTP Service Extensions
- RFC 1428 Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME
- RFC 1427 SMTP Service Extension for Message Size Declaration
- RFC 1426 SMTP Service Extension for 8bit-MIMEtransport
- RFC 1425 SMTP Service Extensions
- RFC 1090 SMTP on X.25
- RFC 1047 Duplicate messages and SMTP
- RFC 876 Survey of SMTP implementations
- RFC 821 Simple Mail Transfer Protocol
- RFC 788 Simple Mail Transfer Protocol
Post Office Protocol (POP)
- RFC 3206 The SYS and AUTH POP Response Codes
- RFC 2595 Using TLS with IMAP, POP3 and ACAP
- RFC 2449 POP3 Extension Mechanism
- RFC 2384 POP URL Scheme
- RFC 2195 IMAP/POP AUTHorize Extension for Simple Challenge/Response
- RFC 2095 IMAP/POP AUTHorize Extension for Simple Challenge/Response
- RFC 1957 Some Observations on Implementations of the Post Office Protocol (POP3)
- RFC 1939 Post Office Protocol - Version 3
- RFC 1734 POP3 AUTHentication command
- RFC 1725 Post Office Protocol - Version 3
- RFC 1460 Post Office Protocol - Version 3
- RFC 1225 Post Office Protocol: Version 3
- RFC 1082 Post Office Protocol: Version 3: Extended service offerings
- RFC 1081 Post Office Protocol: Version 3
- RFC 937 Post Office Protocol: Version 2
- RFC 918 Post Office Protocol
Internet Message Access Protocol (IMAP)
- RFC 3348 The Internet Message Action Protocol (IMAP4) Child Mailbox Extension
- RFC 2971 IMAP4 ID extension
- RFC 2683 IMAP4 Implementation Recommendations
- RFC 2595 Using TLS with IMAP, POP3 and ACAP
- RFC 2359 IMAP4 UIDPLUS extension
- RFC 2342 IMAP4 Namespace
- RFC 2221 IMAP4 Login Referrals
- RFC 2195 IMAP/POP AUTHorize Extension for Simple Challenge/Response
- RFC 2193 IMAP4 Mailbox Referrals
- RFC 2192 IMAP URL Scheme
- RFC 2180 IMAP4 Multi-Accessed Mailbox Practice
- RFC 2177 IMAP4 IDLE command
- RFC 2095 IMAP/POP AUTHorize Extension for Simple Challenge/Response
- RFC 2088 IMAP4 non-synchronizing literals
- RFC 2087 IMAP4 QUOTA extension
- RFC 2086 IMAP4 ACL extension
- RFC 2062 Internet Message Access Protocol - Obsolete Syntax
- RFC 2061 IMAP4 Compatibility with IMAP2bis
- RFC 2060 Internet Message Access Protocol - Version 4rev1
- RFC 1733 Distributed Electronic Mail Models in IMAP4
- RFC 1732 IMAP4 Compatibility with IMAP2 and IMAP2bis
- RFC 1731 IMAP4 Authentication Mechanisms
- RFC 1730 Internet Message Access Protocol - Version 4
Multipurpose Internet Mail Extensions (MIME)
- RFC 3391 The MIME Application/Vnd.pwg-multiplexed Content-Type
- RFC 3362 Real-time Facsimile (T.38) - image/t38 MIME Sub-type Registration
- RFC 3335 MIME-based Secure Peer-to-Peer Business Data Interchange over the Internet
- RFC 3302 Tag Image File Format (TIFF) - image/tiff MIME Sub-type Registration
- RFC 3250 Tag Image File Format Fax eXtended (TIFF-FX) - image/tiff-fx MIME Sub-type Registration
- RFC 3240 Digital Imaging and Communications in Medicine (DICOM) - Application/dicom MIME Sub-type Registration
- RFC 3204 MIME media types for ISUP and QSIG Objects
- RFC 3183 Domain Security Services using S/MIME
- RFC 3156 MIME Security with OpenPGP
- RFC 3114 Implementing Company Classification Policy with the S/MIME Security Label
- RFC 3073 Portable Font Resource (PFR) - application/font-tdpfr MIME Sub-type Registration
- RFC 3030 SMTP Service Extensions for Transmission of Large and Binary MIME Messages
- RFC 3009 Registration of parityfec MIME types
- RFC 2936 HTTP MIME Type Handler Detection
- RFC 2927 MIME Directory Profile for LDAP Schema
- RFC 2913 MIME Content Types in Media Feature Expressions
- RFC 2912 Indicating Media Features for MIME Content
- RFC 2785 Methods for Avoiding the "Small-Subgroup" Attacks on the Diffie-Hellman Key Agreement Method for S/MIME
- RFC 2652 MIME Object Definitions for the Common Indexing Protocol (CIP)
- RFC 2634 Enhanced Security Services for S/MIME
- RFC 2633 S/MIME Version 3 Message Specification
- RFC 2632 S/MIME Version 3 Certificate Handling
- RFC 2586 The Audio/L16 MIME content type
- RFC 2557 MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)
- RFC 2503 MIME Types for Use with the ISO ILL Protocol
- RFC 2480 Gateways and MIME Security Multiparts
- RFC 2426 vCard MIME Directory Profile
- RFC 2425 A MIME Content-Type for Directory Information
- RFC 2424 Content Duration MIME Header Definition
- RFC 2423 VPIM Voice Message MIME Sub-type Registration
- RFC 2422 Toll Quality Voice - 32 kbit/s ADPCM MIME Sub-type Registration
- RFC 2387 The MIME Multipart/Related Content-type
- RFC 2312 S/MIME Version 2 Certificate Handling
- RFC 2311 S/MIME Version 2 Message Specification
- RFC 2302 Tag Image File Format (TIFF) - image/tiff MIME Sub-type Registration
- RFC 2298 An Extensible Message Format for Message Disposition Notifications
- RFC 2231 MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
- RFC 2184 MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
- RFC 2161 A MIME Body Part for ODA
- RFC 2160 Carrying PostScript in X.400 and MIME
- RFC 2159 A MIME Body Part for FAX
- RFC 2157 Mapping between X.400 and RFC-822/MIME Message Bodies
- RFC 2156 MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME
- RFC 2112 The MIME Multipart/Related Content-type
- RFC 2110 MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)
- RFC 2077 The Model Primary Content Type for Multipurpose Internet Mail Extensions
- RFC 2049 Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples
- RFC 2048 Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
- RFC 2047 MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
- RFC 2046 Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types
- RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
- RFC 2017 Definition of the URL MIME External-Body Access-Type
- RFC 2015 MIME Security with Pretty Good Privacy (PGP)
- RFC 1927 Suggested Additional MIME Types for Associating Documents
- RFC 1896 The text/enriched MIME Content-type
- RFC 1872 The MIME Multipart/Related Content-type
- RFC 1848 MIME Object Security Services
- RFC 1847 Security Multiparts for MIME: Multipart/Signed and Multipart/Encrypted
- RFC 1844 Multimedia E-mail (MIME) User Agent Checklist
- RFC 1830 SMTP Service Extensions for Transmission of Large and Binary MIME Messages
- RFC 1820 Multimedia E-mail (MIME) User Agent Checklist
- RFC 1767 MIME Encapsulation of EDI Objects
- RFC 1741 MIME Content Type for BinHex Encoded Files
- RFC 1740 MIME Encapsulation of Macintosh Files - MacMIME
- RFC 1652 SMTP Service Extension for 8bit-MIMEtransport
- RFC 1641 Using Unicode with MIME
- RFC 1563 The text/enriched MIME Content-type
- RFC 1556 Handling of Bi-directional Texts in MIME
- RFC 1523 The text/enriched MIME Content-type
- RFC 1522 MIME (Multipurpose Internet Mail Extensions) Part Two: Message Header Extensions for Non-ASCII Text
- RFC 1521 MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies
- RFC 1496 Rules for downgrading messages from X.400/88 to X.400/84 when MIME content-types are present in the messages
- RFC 1437 The Extension of MIME Content-Types to a New Medium
- RFC 1428 Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME
- RFC 1426 SMTP Service Extension for 8bit-MIMEtransport
- RFC 1344 Implications of MIME for Internet Mail Gateways
- RFC 1341 MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies
Privacy Enhancement for Internet Electronic Mail
- RFC 1424 Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related Services
- RFC 1423 Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and Identifiers
- RFC 1422 Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key Management
- RFC 1421 Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication Procedures
- RFC 1115 Privacy enhancement for Internet electronic mail: Part III - algorithms, modes, and identifiers
- RFC 1114 Privacy enhancement for Internet electronic mail: Part II - certificate-based key management
- RFC 1113 Privacy enhancement for Internet electronic mail: Part I - message encipherment and authentication procedures
- RFC 1040 Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication procedures
- RFC 989 Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication procedures
X400
- RFC 2162 MaXIM-11 - Mapping between X.400 / Internet mail and Mail-11 mail
- RFC 2160 Carrying PostScript in X.400 and MIME
- RFC 2158 X.400 Image Body Parts
- RFC 2157 Mapping between X.400 and RFC-822/MIME Message Bodies
- RFC 2156 MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME
- RFC 1838 Use of the X.500 Directory to support mapping between X.400 and RFC 822 Addresses
- RFC 1802 Introducing Project Long Bud: Internet Pilot Project for the Deployment of X.500 Directory Information in Support of X.400 Routing
- RFC 1685 Writing X.400 O/R Names
- RFC 1649 Operational Requirements for X.400 Management Domains in the GO-MHS Community
- RFC 1648 Postmaster Convention for X.400 Operations
- RFC 1616 X.400(1988) for the Academic and Research Community in Europe
- RFC 1615 Migrating from X.400(84) to X.400(88)
- RFC 1506 A Tutorial on Gatewaying between X.400 and Internet Mail
- RFC 1502 X.400 Use of Extended Character Sets
- RFC 1496 Rules for downgrading messages from X.400/88 to X.400/84 when MIME content-types are present in the messages
- RFC 1495 Mapping between X.400 and RFC-822 Message Bodies
- RFC 1494 Equivalences between 1988 X.400 and RFC-822 Message Bodies
- RFC 1465 Routing Coordination for X.400 MHS Services Within a Multi Protocol / Multi Network Environment Table Format V3 for Static Routing
- RFC 1405 Mapping between X.400(1984/1988) and Mail-11 (DECnet mail)
- RFC 1330 Recommendations for the Phase I Deployment of OSI Directory Services (X.500) and OSI Message Handling Services (X.400) within the ESNET Community
- RFC 1328 X.400 1988 to 1984 downgrading
- RFC 1327 Mapping between X.400(1988) / ISO 10021 and RFC 822
- RFC 1148 Mapping between X.400(1988) / ISO 10021 and RFC 822
- RFC 1138 Mapping between X.400(1988) / ISO 10021 and RFC 822
- RFC 1026 Addendum to RFC 987: (Mapping between X.400 and RFC-822)
- RFC 987 Mapping between X.400 and RFC 822
Other
- RFC 3463 Enhanced Mail System Status Codes
- RFC 3462 The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages
- RFC 3461 Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs)
- RFC 3348 The Internet Message Action Protocol (IMAP4) Child Mailbox Extension
- RFC 3297 Content Negotiation for Messaging Services based on Email
- RFC 3249 Implementers Guide for Facsimile Using Internet Mail
- RFC 3192 Minimal FAX address format in Internet Mail
- RFC 3191 Minimal GSTN address format in Internet Mail
- RFC 3098 How to Advertise Responsibly Using E-Mail and Newsgroups or - how NOT to $$$$$ MAKE ENEMIES FAST! $$$$$
- RFC 3028 Sieve: A Mail Filtering Language
- RFC 2919 List-Id: A Structured Field and Namespace for the Identification of Mailing Lists
- RFC 2846 GSTN Address Element Extensions in E-mail Services
- RFC 2821 Simple Mail Transfer Protocol
- RFC 2789 Mail Monitoring MIB
- RFC 2645 ON-DEMAND MAIL RELAY (ODMR) SMTP with Dynamic IP Addresses
- RFC 2635 DON'T SPEW A Set of Guidelines for Mass Unsolicited Mailings and Postings (spam*)
- RFC 2532 Extended Facsimile Using Internet Mail
- RFC 2524 Neda's Efficient Mail Submission and Delivery (EMSD) Protocol Specification Version 1.3
- RFC 2421 Voice Profile for Internet Mail - version 2
- RFC 2369 The Use of URLs as Meta-Syntax for Core Mail List Commands and their Transport through Message Header Fields
- RFC 2368 The mailto URL scheme
- RFC 2305 A Simple Mode of Facsimile Using Internet Mail
- RFC 2304 Minimal FAX address format in Internet Mail
- RFC 2303 Minimal PSTN address format in Internet Mail
- RFC 2249 Mail Monitoring MIB
- RFC 2193 IMAP4 Mailbox Referrals
- RFC 2180 IMAP4 Multi-Accessed Mailbox Practice
- RFC 2162 MaXIM-11 - Mapping between X.400 / Internet mail and Mail-11 mail
- RFC 2152 UTF-7 A Mail-Safe Transformation Format of Unicode
- RFC 2142 Mailbox Names for Common Services, Roles and Functions
- RFC 2110 MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)
- RFC 2077 The Model Primary Content Type for Multipurpose Internet Mail Extensions
- RFC 2049 Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples
- RFC 2048 Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
- RFC 2047 MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
- RFC 2046 Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types
- RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
- RFC 2033 Local Mail Transfer Protocol
- RFC 1947 Greek Character Encoding for Electronic Mail Messages
- RFC 1911 Voice Profile for Internet Mail
- RFC 1893 Enhanced Mail System Status Codes
- RFC 1892 The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages
- RFC 1844 Multimedia E-mail (MIME) User Agent Checklist
- RFC 1820 Multimedia E-mail (MIME) User Agent Checklist
- RFC 1733 Distributed Electronic Mail Models in IMAP4
- RFC 1711 Classifications in E-mail Routing
- RFC 1664 Using the Internet DNS to Distribute RFC1327 Mail Address Mapping Tables
- RFC 1642 UTF-7 - A Mail-Safe Transformation Format of Unicode
- RFC 1566 Mail Monitoring MIB
- RFC 1524 A User Agent Configuration Mechanism For Multimedia Mail Format Information
- RFC 1522 MIME (Multipurpose Internet Mail Extensions) Part Two: Message Header Extensions for Non-ASCII Text
- RFC 1521 MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies
- RFC 1506 A Tutorial on Gatewaying between X.400 and Internet Mail
- RFC 1428 Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME
- RFC 1424 Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related Services
- RFC 1423 Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and Identifiers
- RFC 1422 Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key Management
- RFC 1421 Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication Procedures
- RFC 1405 Mapping between X.400(1984/1988) and Mail-11 (DECnet mail)
- RFC 1357 A Format for E-mailing Bibliographic Records
- RFC 1344 Implications of MIME for Internet Mail Gateways
- RFC 1343 A User Agent Configuration Mechanism for Multimedia Mail Format Information
- RFC 1341 MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies
- RFC 1339 Remote Mail Checking Protocol
- RFC 1211 Problems with the maintenance of large mailing lists
- RFC 1203 Interactive Mail Access Protocol: Version 3
- RFC 1176 Interactive Mail Access Protocol: Version 2
- RFC 1168 Intermail and Commercial Mail Relay services
- RFC 1115 Privacy enhancement for Internet electronic mail: Part III - algorithms, modes, and identifiers
- RFC 1114 Privacy enhancement for Internet electronic mail: Part II - certificate-based key management
- RFC 1113 Privacy enhancement for Internet electronic mail: Part I - message encipherment and authentication procedures
- RFC 1064 Interactive Mail Access Protocol: Version 2
- RFC 1056 PCMAIL: A distributed mail system for personal computers
- RFC 1040 Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication procedures
- RFC 993 PCMAIL: A distributed mail system for personal computers
- RFC 989 Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication procedures
- RFC 984 PCMAIL: A distributed mail system for personal computers
- RFC 976 UUCP mail interchange format standard
- RFC 974 Mail routing and the domain system
- RFC 915 Network mail path service
- RFC 910 Multimedia mail meeting notes
- RFC 821 Simple Mail Transfer Protocol
- RFC 808 Summary of computer mail services meeting held at BBN on 10 January 1979
- RFC 807 Multimedia mail meeting notes
- RFC 805 Computer mail meeting notes
- RFC 788 Simple Mail Transfer Protocol
- RFC 786 Mail Transfer Protocol: ISI TOPS20 MTP-NIMAIL interface
- RFC 785 Mail Transfer Protocol: ISI TOPS20 file definitions
- RFC 784 Mail Transfer Protocol: ISI TOPS20 implementation
- RFC 780 Mail Transfer Protocol
- RFC 773 Comments on NCP/TCP mail service transition strategy
- RFC 772 Mail Transfer Protocol
- RFC 771 Mail transition plan
- RFC 763 Role mailboxes
- RFC 754 Out-of-net host addresses for mail
- RFC 751 Survey of FTP mail and MLFL
- RFC 720 Address Specification Syntax for Network Mail
- RFC 706 On the junk mail problem
- RFC 644 On the problem of signature authentication for network mail
- RFC 630 FTP error code usage for more reliable mail service
- RFC 561 Standardizing Network Mail Headers
- RFC 555 Responses to critiques of the proposed mail protocol
- RFC 539 Thoughts on the mail protocol proposed in RFC 524
- RFC 524 Proposed Mail Protocol
- RFC 510 Request for network mailbox addresses
- RFC 498 On mail service to CCN
- RFC 469 Network mail meeting summary
- RFC 458 Mail retrieval via FTP
- RFC 456 Memorandum: Date change of mail meeting
- RFC 453 Meeting announcement to discuss a network mail system
- RFC 402 ARPA Network Mailing Lists
- RFC 363 ARPA Network mailing lists
- RFC 329 ARPA Network Mailing Lists
- RFC 303 ARPA Network mailing lists
- RFC 300 ARPA Network mailing lists
- RFC 278 Revision of the Mail Box Protocol
- RFC 224 Comments on Mailbox Protocol
- RFC 221 Mail Box Protocol: Version 2
- RFC 196 Mail Box Protocol
- RFC 168 ARPA Network mailing lists
- RFC 155 ARPA Network mailing lists
Email Issues
- RFC 2635 DON'T SPEW A Set of Guidelines for Mass Unsolicited Mailings and Postings (spam*)
- RFC 2505 Anti-Spam Recommendations for SMTP MTAs