RFC 8461: SMTP MTA Strict Transport Security (MTA-STS)

SMTP MTA Strict Transport Security (MTA-STS) is a mechanism enabling mail service providers (SPs) to declare their ability to receive Transport Layer Security…

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Outgoing relationships (4 related RFCs)

Normative reference — RFC 3629: UTF-8, a transformation format of ISO 10646
Normative reference — RFC 8446: The Transport Layer Security (TLS) Protocol Version 1.3
Normative reference — RFC 8460: SMTP TLS Reporting
Informative reference — RFC 8126: Guidelines for Writing an IANA Considerations Section in RFCs

Incoming relationships (3 related RFCs)

Normatively referenced by — RFC 8460: SMTP TLS Reporting
Normatively referenced by — RFC 8689: SMTP Require TLS Option
Informatively referenced by — RFC 9325: Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)