References to rfc2821

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Showing RFCs and active Internet-Drafts, sorted by reference type, then document name.

Document Title Status Type Downref
RFC 3459 Critical Content Multi-purpose Internet Mail Extensions (MIME) Parameter
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Proposed Standard normatively references
RFC 3552 Guidelines for Writing RFC Text on Security Considerations
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Best Current Practice normatively references Downref
RFC 3675 .sex Considered Dangerous
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Informational normatively references
RFC 3696 Application Techniques for Checking and Transformation of Names
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Informational normatively references
RFC 3773 High-Level Requirements for Internet Voice Mail
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Informational normatively references
RFC 3798 Message Disposition Notification
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Draft Standard normatively references Downref
RFC 3801 Voice Profile for Internet Mail - version 2 (VPIMv2)
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Draft Standard normatively references Downref
RFC 3848 ESMTP and LMTP Transmission Types Registration
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Draft Standard normatively references Downref
RFC 3885 SMTP Service Extension for Message Tracking
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Proposed Standard normatively references
RFC 3887 Message Tracking Query Protocol
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Proposed Standard normatively references
RFC 3965 A Simple Mode of Facsimile Using Internet Mail
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Draft Standard normatively references Downref
RFC 3974 SMTP Operational Experience in Mixed IPv4/v6 Environments
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Informational normatively references
RFC 4021 Registration of Mail and MIME Header Fields
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Proposed Standard normatively references
RFC 4096 Policy-Mandated Labels Such as "Adv:" in Email Subject Headers Considered Ineffective At Best
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Informational normatively references
RFC 4141 SMTP and MIME Extensions for Content Conversion
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Proposed Standard normatively references
RFC 4161 Guidelines for Optional Services for Internet Fax Gateways
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Informational normatively references
RFC 4239 Internet Voice Messaging (IVM)
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Proposed Standard normatively references
RFC 4356 Mapping Between the Multimedia Messaging Service (MMS) and Internet Mail
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Proposed Standard normatively references
RFC 4405 SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
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Experimental normatively references
RFC 4408 Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1
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Experimental normatively references
RFC 4409 Message Submission for Mail
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Draft Standard normatively references Downref
RFC 4468 Message Submission BURL Extension
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Proposed Standard normatively references
RFC 4472 Operational Considerations and Issues with IPv6 DNS
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Informational normatively references
RFC 4524 COSINE LDAP/X.500 Schema
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Proposed Standard normatively references
RFC 4550 Internet Email to Support Diverse Service Environments (Lemonade) Profile
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Proposed Standard normatively references
RFC 4823 FTP Transport for Secure Peer-to-Peer Business Data Interchange over the Internet
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Informational normatively references
RFC 4865 SMTP Submission Service Extension for Future Message Release
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Proposed Standard normatively references
RFC 4871 DomainKeys Identified Mail (DKIM) Signatures
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Proposed Standard normatively references
RFC 4952 Overview and Framework for Internationalized Email
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Informational normatively references
RFC 4954 SMTP Service Extension for Authentication
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Proposed Standard normatively references
RFC 5068 Email Submission Operations: Access and Accountability Requirements
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Best Current Practice normatively references Downref
RFC 5183 Sieve Email Filtering: Environment Extension
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Proposed Standard normatively references
RFC 5228 Sieve: An Email Filtering Language
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Proposed Standard normatively references
RFC 5248 A Registry for SMTP Enhanced Mail System Status Codes
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Best Current Practice normatively references Downref
RFC 5275 CMS Symmetric Key Management and Distribution
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Proposed Standard normatively references
RFC 5280 Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
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Proposed Standard normatively references
RFC 5335 Internationalized Email Headers
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Experimental normatively references
RFC 5337 Internationalized Delivery Status and Disposition Notifications
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Experimental normatively references
draft-ietf-anima-autonomic-control-plane An Autonomic Control Plane (ACP)
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Proposed Standard informatively references
RFC 3395 Remote Network Monitoring MIB Protocol Identifier Reference Extensions
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Proposed Standard informatively references
RFC 3470 Guidelines for the Use of Extensible Markup Language (XML) within IETF Protocols
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Best Current Practice informatively references
RFC 3502 Internet Message Access Protocol (IMAP) - MULTIAPPEND Extension
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Proposed Standard informatively references
RFC 3676 The Text/Plain Format and DelSp Parameters
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Proposed Standard informatively references
RFC 3730 Extensible Provisioning Protocol (EPP)
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Proposed Standard informatively references
RFC 3805 Printer MIB v2
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Proposed Standard informatively references
RFC 3854 Securing X.400 Content with Secure/Multipurpose Internet Mail Extensions (S/MIME)
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Proposed Standard informatively references
RFC 3864 Registration Procedures for Message Header Fields
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Best Current Practice informatively references
RFC 3865 A No Soliciting Simple Mail Transfer Protocol (SMTP) Service Extension
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Proposed Standard informatively references
RFC 3920 Extensible Messaging and Presence Protocol (XMPP): Core
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Proposed Standard informatively references
RFC 3930 The Protocol versus Document Points of View in Computer Protocols
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Informational informatively references
RFC 4038 Application Aspects of IPv6 Transition
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Informational informatively references
RFC 4095 Attaching Meaning to Solicitation Class Keywords
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Proposed Standard informatively references
RFC 4240 Basic Network Media Services with SIP
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Informational informatively references
RFC 4367 What's in a Name: False Assumptions about DNS Names
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Informational informatively references
RFC 4416 Goals for Internet Messaging to Support Diverse Service Environments
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Informational informatively references
RFC 4496 Open Pluggable Edge Services (OPES) SMTP Use Cases
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Informational informatively references
RFC 4686 Analysis of Threats Motivating DomainKeys Identified Mail (DKIM)
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Informational informatively references
RFC 4722 Media Server Control Markup Language (MSCML) and Protocol
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Informational informatively references
RFC 4786 Operation of Anycast Services
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Best Current Practice informatively references
RFC 4902 Integrity, Privacy, and Security in Open Pluggable Edge Services (OPES) for SMTP
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Informational informatively references
RFC 4930 Extensible Provisioning Protocol (EPP)
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Draft Standard informatively references
RFC 5022 Media Server Control Markup Language (MSCML) and Protocol
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Informational informatively references
RFC 5198 Unicode Format for Network Interchange
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Proposed Standard informatively references
RFC 5218 What Makes for a Successful Protocol?
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Informational informatively references
RFC 5230 Sieve Email Filtering: Vacation Extension
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Proposed Standard informatively references
RFC 5293 Sieve Email Filtering: Editheader Extension
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Proposed Standard informatively references
RFC 5321 Simple Mail Transfer Protocol
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Draft Standard informatively references
RFC 5336 SMTP Extension for Internationalized Email Addresses
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Experimental informatively references
RFC 5598 Internet Mail Architecture
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Informational informatively references
RFC 5730 Extensible Provisioning Protocol (EPP)
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Internet Standard informatively references
RFC 6530 Overview and Framework for Internationalized Email
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Proposed Standard informatively references
RFC 7208 Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1
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Proposed Standard informatively references
RFC 2800 Internet Official Protocol Standards
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Historic Possible Reference
RFC 2822 Internet Message Format
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Proposed Standard Possible Reference
RFC 3501 INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1
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Proposed Standard Possible Reference
RFC 3599 Request for Comments Summary RFC Numbers 3500-3599
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Informational Possible Reference
RFC 3795 Survey of IPv4 Addresses in Currently Deployed IETF Application Area Standards Track and Experimental Documents
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Informational Possible Reference
RFC 4406 Sender ID: Authenticating E-Mail
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Experimental Possible Reference
RFC 4987 TCP SYN Flooding Attacks and Common Mitigations
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Informational Possible Reference
RFC 5000 Internet Official Protocol Standards
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Historic Possible Reference
RFC 5408 Identity-Based Encryption Architecture and Supporting Data Structures
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Informational Possible Reference
RFC 5672 RFC 4871 DomainKeys Identified Mail (DKIM) Signatures -- Update
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Proposed Standard Possible Reference
RFC 3155 End-to-end Performance Implications of Links with Errors
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Best Current Practice Reference Possible Downref
RFC 3205 On the use of HTTP as a Substrate
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Best Current Practice Reference Possible Downref
RFC 3207 SMTP Service Extension for Secure SMTP over Transport Layer Security
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Proposed Standard Reference
RFC 3249 Implementers Guide for Facsimile Using Internet Mail
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Informational Reference
RFC 3297 Content Negotiation for Messaging Services based on Email
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Proposed Standard Reference
RFC 3335 MIME-based Secure Peer-to-Peer Business Data Interchange over the Internet
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Proposed Standard Reference
RFC 3340 The Application Exchange Core
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Historic Reference
RFC 3390 Increasing TCP's Initial Window
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Proposed Standard Reference