RFC 5721: POP3 Support for UTF-8

This specification extends the Post Office Protocol version 3 (POP3) to support un-encoded international characters in user names, passwords, mail addresses,…

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Outgoing relationships (15 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 3629: UTF-8, a transformation format of ISO 10646
Normative reference — RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
Normative reference — RFC 5322: Internet Message Format
Normative reference — RFC 5646: Tags for Identifying Languages
Normative reference — RFC 2277: IETF Policy on Character Sets and Languages
Normative reference — RFC 1939: Post Office Protocol - Version 3
Normative reference — RFC 4647: Matching of Language Tags
Normative reference — RFC 5335: Internationalized Email Headers
Normative reference — RFC 2449: POP3 Extension Mechanism
Informative reference — RFC 2231: MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
Informative reference — RFC 2595: Using TLS with IMAP, POP3 and ACAP
Informative reference — RFC 4952: Overview and Framework for Internationalized Email
Informative reference — RFC 5034: The Post Office Protocol (POP3) Simple Authentication and Security Layer (SASL) Authentication Mechanism
Informative reference — RFC 5504: Downgrading Mechanism for Email Address Internationalization

Incoming relationships (2 related RFCs)

Obsoleted by, Informatively referenced by — RFC 6856: Post Office Protocol Version 3 (POP3) Support for UTF-8
Informatively referenced by — RFC 6530: Overview and Framework for Internationalized Email