RFC 533 · UNKNOWN · 1973
TUE · 15 SEP 2026
Message-ID numbers
Overview
RFC 533, “Message-ID numbers”, is an Unknown document published in July 1973 by D.C. Walden. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 533 is hosted at rfc-editor.org. Available in TXT,HTML.
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- RFC 531 Feast or famine? A response to two recent RFC's about network information
- RFC 535 Comments on File Access Protocol
- RFC 530 Report on the Survey Project
- RFC 529 Note on protocol synch sequences
- RFC 537 Announcement of NGG meeting July 16-17
- RFC 528 Software checksumming in the IMP and network reliability