RFC 3598: Sieve Email Filtering -- Subaddress Extension

On email systems that allow for "subaddressing" or "detailed addressing" (e.g., "ken+sieve@example.org"), it is sometimes desirable to make comparisons…

Read RFC 3598 on the RFC Editor

Outgoing relationships (2 related RFCs)

Normative reference — RFC 2822: Internet Message Format
Normative reference — RFC 3028: Sieve: A Mail Filtering Language

Incoming relationships (1 related RFC)

Obsoleted by — RFC 5233: Sieve Email Filtering: Subaddress Extension