RFC 785 · UNKNOWN · 1981
TUE · 15 SEP 2026
Mail Transfer Protocol: ISI TOPS20 file definitions
Overview
RFC 785, “Mail Transfer Protocol: ISI TOPS20 file definitions”, is an Unknown document published in July 1981 by S. Sluizer, J. Postel. 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 785 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1981
- RFC 784 Mail Transfer Protocol: ISI TOPS20 implementation
- RFC 786 Mail Transfer Protocol: ISI TOPS20 MTP-NIMAIL interface
- RFC 783 TFTP Protocol
- RFC 787 Connectionless data transmission survey/tutorial
- RFC 782 Virtual Terminal management model
- RFC 788 Simple Mail Transfer Protocol
- RFC 781 Specification of the Internet Protocol timestamp option
- RFC 789 Vulnerabilities of network control protocols: An example