RFC 9787: Guidance on End-to-End Email Security

End-to-end cryptographic protections for email messages can provide useful security. However, the standards for providing cryptographic protection are…

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Outgoing relationships (28 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Normative reference — RFC 5890: Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework
Normative reference — RFC 8551: Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Message Specification
Normative reference — RFC 3156: MIME Security with OpenPGP
Normative reference — RFC 4289: Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
Normative reference — RFC 9598: Internationalized Email Addresses in X.509 Certificates
Normative reference — RFC 9788: Header Protection for Cryptographically Protected Email
Informative reference — RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
Informative reference — RFC 5322: Internet Message Format
Informative reference — RFC 3207: SMTP Service Extension for Secure SMTP over Transport Layer Security
Informative reference — RFC 4511: Lightweight Directory Access Protocol (LDAP): The Protocol
Informative reference — RFC 1939: Post Office Protocol - Version 3
Informative reference — RFC 3370: Cryptographic Message Syntax (CMS) Algorithms
Informative reference — RFC 6376: DomainKeys Identified Mail (DKIM) Signatures
Informative reference — RFC 7435: Opportunistic Security: Some Protection Most of the Time
Informative reference — RFC 6532: Internationalized Email Headers
Informative reference — RFC 6409: Message Submission for Mail
Informative reference — RFC 3274: Compressed Data Content Type for Cryptographic Message Syntax (CMS)
Informative reference — RFC 9051: Internet Message Access Protocol (IMAP) - Version 4rev2
Informative reference — RFC 7292: PKCS #12: Personal Information Exchange Syntax v1.1
Informative reference — RFC 8621: The JSON Meta Application Protocol (JMAP) for Mail
Informative reference — RFC 7929: DNS-Based Authentication of Named Entities (DANE) Bindings for OpenPGP
Informative reference — RFC 9580: OpenPGP
Informative reference — RFC 8162: Using Secure DNS to Associate Certificates with Domain Names for S/MIME
Informative reference — RFC 8823: Extensions to Automatic Certificate Management Environment for End-User S/MIME Certificates
Informative reference — RFC 9216: S/MIME Example Keys and Certificates
Informative reference — RFC 9219: S/MIME Signature Verification Extension to the JSON Meta Application Protocol (JMAP)

Incoming relationships (1 related RFC)

Normatively referenced by — RFC 9788: Header Protection for Cryptographically Protected Email