RFC 9078 · EXPERIMENTAL · 2021
SUN · 14 JUN 2026
Reaction: Indicating Summary Reaction to a Message
Overview
RFC 9078, “Reaction: Indicating Summary Reaction to a Message”, is an Experimental document published in August 2021 by D. Crocker, R. Signes, N. Freed. The canonical text is published by the RFC Editor.
Abstract
The popularity of social media has led to user comfort with easily signaling basic reactions to an author's posting, such as with a 'thumbs up' or 'smiley' graphic. This specification permits a similar facility for Internet Mail.
What “Experimental” means
Describes a specification that is part of a research or development effort, published so the community can gain experience with it.
Read this RFC
The canonical text of RFC 9078 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
Other RFCs from 2021
- RFC 9077 NSEC and NSEC3: TTLs and Aggressive Use
- RFC 9079 Source-Specific Routing in the Babel Routing Protocol
- RFC 9076 DNS Privacy Considerations
- RFC 9080 Homenet Profile of the Babel Routing Protocol
- RFC 9075 Report from the IAB COVID-19 Network Impacts Workshop 2020
- RFC 9081 Interoperation between Multicast Virtual Private Network and Multicast Source Directory Protocol Source-Active Routes
- RFC 9074 "VALARM" Extensions for iCalendar
- RFC 9082 Registration Data Access Protocol Query Format