RFC 733 · UNKNOWN · 1977
MON · 27 JUL 2026
Standard for the format of ARPA network text messages
Overview
RFC 733, “Standard for the format of ARPA network text messages”, is an Unknown document published in November 1977 by D. Crocker, J. Vittal, K.T. Pogran, D.A. Henderson. It obsoletes RFC 724. It has been obsoleted by RFC 822 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
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The canonical text of RFC 733 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1977