RFC 1845 · EXPERIMENTAL · 1995
SUN · 14 JUN 2026
SMTP Service Extension for Checkpoint/Restart
Overview
RFC 1845, “SMTP Service Extension for Checkpoint/Restart”, is an Experimental document published in September 1995 by D. Crocker, N. Freed, A. Cargille. The canonical text is published by the RFC Editor.
Abstract
This memo defines an extension to the SMTP service whereby an interrupted SMTP transaction can be restarted at a later time without having to repeat all of the commands and message content sent prior to the interruption.
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 1845 is hosted at rfc-editor.org. Available in TXT,HTML.
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