References from rfc5321

These dependencies are extracted using heuristics looking for strings with particular prefixes. Notably, this means that references to I-Ds by title only are not reflected here. If it's really important, please inspect the documents' references sections directly.

Reference type help

Document	Title	Status	Type	Downref
BCP 138	A Registry for SMTP Enhanced Mail System Status Codes References Referenced by	Best Current Practice	informatively references
BCP 14	Key words for use in RFCs to Indicate Requirement Levels References Referenced by	Best Current Practice	normatively references
BCP 78	Rights Contributors Provide to the IETF Trust References Referenced by	Best Current Practice	informatively references
BCP 90	Registration Procedures for Message Header Fields References Referenced by	Best Current Practice	normatively references
RFC 1035	Domain names - implementation and specification References Referenced by	Internet Standard	Possible Reference
RFC 1047	Duplicate messages and SMTP References Referenced by	Unknown	informatively references
RFC 1056	PCMAIL: A distributed mail system for personal computers References Referenced by	Informational	informatively references
RFC 1123	Requirements for Internet Hosts - Application and Support References Referenced by	Internet Standard	informatively references
RFC 1176	Interactive Mail Access Protocol: Version 2 References Referenced by	Experimental	informatively references
RFC 1652	SMTP Service Extension for 8bit-MIMEtransport References Referenced by	Draft Standard	informatively references
RFC 1847	Security Multiparts for MIME: Multipart/Signed and Multipart/Encrypted References Referenced by	Proposed Standard	informatively references
RFC 1869	SMTP Service Extensions References Referenced by	Internet Standard	Possible Reference
RFC 1870	SMTP Service Extension for Message Size Declaration References Referenced by	Internet Standard	Possible Reference
RFC 1985	SMTP Service Extension for Remote Message Queue Starting References Referenced by	Proposed Standard	informatively references
RFC 2045	Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies References Referenced by	Draft Standard	informatively references
RFC 2047	MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text References Referenced by	Draft Standard	informatively references
RFC 2119	Key words for use in RFCs to Indicate Requirement Levels References Referenced by	Best Current Practice	Possible Reference
RFC 2156	MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME References Referenced by	Proposed Standard	Possible Reference	Possible Downref
RFC 2181	Clarifications to the DNS Specification References Referenced by	Proposed Standard	informatively references
RFC 2231	MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations References Referenced by	Proposed Standard	informatively references
RFC 2821	Simple Mail Transfer Protocol References Referenced by	Proposed Standard	informatively references
RFC 2920	SMTP Service Extension for Command Pipelining References Referenced by	Internet Standard	Possible Reference
RFC 2979	Behavior of and Requirements for Internet Firewalls References Referenced by	Informational	informatively references
RFC 3030	SMTP Service Extensions for Transmission of Large and Binary MIME Messages References Referenced by	Proposed Standard	informatively references
RFC 3461	Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs) References Referenced by	Draft Standard	informatively references
RFC 3463	Enhanced Mail System Status Codes References Referenced by	Draft Standard	informatively references
RFC 3464	An Extensible Message Format for Delivery Status Notifications References Referenced by	Draft Standard	informatively references
RFC 3501	INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 References Referenced by	Proposed Standard	informatively references
RFC 3798	Message Disposition Notification References Referenced by	Draft Standard	informatively references
RFC 3848	ESMTP and LMTP Transmission Types Registration References Referenced by	Draft Standard	normatively references
RFC 3851	Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Message Specification References Referenced by	Proposed Standard	informatively references
RFC 3974	SMTP Operational Experience in Mixed IPv4/v6 Environments References Referenced by	Informational	informatively references
RFC 4291	IP Version 6 Addressing Architecture References Referenced by	Draft Standard	normatively references
RFC 4408	Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1 References Referenced by	Experimental	informatively references
RFC 4409	Message Submission for Mail References Referenced by	Draft Standard	informatively references
RFC 4686	Analysis of Threats Motivating DomainKeys Identified Mail (DKIM) References Referenced by	Informational	informatively references
RFC 4871	DomainKeys Identified Mail (DKIM) Signatures References Referenced by	Proposed Standard	informatively references
RFC 4880	OpenPGP Message Format References Referenced by	Proposed Standard	informatively references
RFC 5234	Augmented BNF for Syntax Specifications: ABNF References Referenced by	Internet Standard	Possible Reference
RFC 5248	A Registry for SMTP Enhanced Mail System Status Codes References Referenced by	Best Current Practice	Possible Reference
RFC 5322	Internet Message Format References Referenced by	Draft Standard	normatively references
RFC 821	Simple Mail Transfer Protocol References Referenced by	Internet Standard	informatively references
RFC 822	STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES References Referenced by	Internet Standard	informatively references
RFC 937	Post Office Protocol: Version 2 References Referenced by	Historic	informatively references
RFC 959	File Transfer Protocol References Referenced by	Internet Standard	informatively references
RFC 974	Mail routing and the domain system References Referenced by	Historic	informatively references
STD 10	SMTP Service Extension for Message Size Declaration References Referenced by	Internet Standard	informatively references
STD 11	STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES References Referenced by	Internet Standard	informatively references
STD 13	Domain names - implementation and specification References Referenced by	Internet Standard	normatively references
STD 3	Requirements for Internet Hosts - Application and Support References Referenced by	Internet Standard	normatively references
STD 53	Post Office Protocol - Version 3 References Referenced by	Internet Standard	informatively references
STD 60	SMTP Service Extension for Command Pipelining References Referenced by	Internet Standard	informatively references
STD 68	Augmented BNF for Syntax Specifications: ABNF References Referenced by	Internet Standard	normatively references
STD 9	File Transfer Protocol References Referenced by	Internet Standard	informatively references