RFC 1047 · UNKNOWN · 1988
SUN · 14 JUN 2026
Duplicate messages and SMTP
Overview
RFC 1047, “Duplicate messages and SMTP”, is an Unknown document published in February 1988 by C. Partridge. The canonical text is published by the RFC Editor.
Abstract
An examination of a synchronization problem in the Simple Mail Transfer Protocol (SMTP) is presented. This synchronization problem can cause a message to be delivered multiple times. A method for avoiding this problem is suggested. Nodding familiarity with the SMTP specification, RFC-821, is required.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 1047 is hosted at rfc-editor.org. Available in TXT,HTML.
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