RFC 2449: POP3 Extension Mechanism

This memo updates RFC 1939 to define a mechanism to announce support for optional commands, extensions, and unconditional server behavior. [STANDARDS-TRACK]

Read RFC 2449 on the RFC Editor

Outgoing relationships (6 related RFCs)

Updates — RFC 1939: Post Office Protocol - Version 3
Informative reference — RFC 2234: Augmented BNF for Syntax Specifications: ABNF
Informative reference — RFC 2222: Simple Authentication and Security Layer (SASL)
Informative reference — RFC 2060: Internet Message Access Protocol - Version 4rev1
Informative reference — RFC 1734: POP3 AUTHentication command
Informative reference — RFC 2197: SMTP Service Extension for Command Pipelining

Incoming relationships (5 related RFCs)

Updated by, Normatively referenced by — RFC 5034: The Post Office Protocol (POP3) Simple Authentication and Security Layer (SASL) Authentication Mechanism
Normatively referenced by — RFC 5721: POP3 Support for UTF-8
Normatively referenced by — RFC 6856: Post Office Protocol Version 3 (POP3) Support for UTF-8
Informatively referenced by — RFC 2595: Using TLS with IMAP, POP3 and ACAP
Informatively referenced by — RFC 3395: Remote Network Monitoring MIB Protocol Identifier Reference Extensions