RFC 5335: Internationalized Email Headers

Full internationalization of electronic mail requires not only the capabilities to transmit non-ASCII content, to encode selected information in specific…

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Outgoing relationships (2 related RFCs)

Updates — RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
Updates — RFC 2822: Internet Message Format

Incoming relationships (7 related RFCs)

Obsoleted by, Informatively referenced by — RFC 6532: Internationalized Email Headers
Normatively referenced by — RFC 5721: POP3 Support for UTF-8
Normatively referenced by — RFC 5825: Displaying Downgraded Messages for Email Address Internationalization
Normatively referenced by — RFC 5983: Mailing Lists and Internationalized Email Addresses
Informatively referenced by — RFC 5996: Internet Key Exchange Protocol Version 2 (IKEv2)
Informatively referenced by — RFC 5598: Internet Mail Architecture
Informatively referenced by — RFC 6530: Overview and Framework for Internationalized Email