RFC 2392: Content-ID and Message-ID Uniform Resource Locators

The Uniform Resource Locator (URL) schemes, "cid:" and "mid:" allow references to messages and the body parts of messages. For example, within a single…

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Outgoing relationships (4 related RFCs)

Obsoletes — RFC 2111: Content-ID and Message-ID Uniform Resource Locators
Informative reference — RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
Informative reference — RFC 1738: Uniform Resource Locators (URL)
Informative reference — RFC 2387: The MIME Multipart/Related Content-type

Incoming relationships (12 related RFCs)

Normatively referenced by — RFC 8226: Secure Telephone Identity Credentials: Certificates
Normatively referenced by — RFC 7852: Additional Data Related to an Emergency Call
Normatively referenced by — RFC 6442: Location Conveyance for the Session Initiation Protocol
Normatively referenced by — RFC 5547: A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File Transfer
Normatively referenced by — RFC 5707: Media Server Markup Language (MSML)
Normatively referenced by — RFC 5621: Message Body Handling in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 6787: Media Resource Control Protocol Version 2 (MRCPv2)
Normatively referenced by — RFC 8876: Non-interactive Emergency Calls
Normatively referenced by — RFC 9248: Interoperability Profile for Relay User Equipment
Informatively referenced by — RFC 5545: Internet Calendaring and Scheduling Core Object Specification (iCalendar)
Informatively referenced by — RFC 6772: Geolocation Policy: A Document Format for Expressing Privacy Preferences for Location Information
Informatively referenced by — RFC 3391: The MIME Application/Vnd.pwg-multiplexed Content-Type