RFC 1203 · HISTORIC · 1991
SUN · 14 JUN 2026
Interactive Mail Access Protocol: Version 3
Overview
RFC 1203, “Interactive Mail Access Protocol: Version 3”, is a Historic document published in February 1991 by J. Rice. It obsoletes RFC 1064. The canonical text is published by the RFC Editor.
Abstract
This RFC suggests a method for workstations to access mail dynamically from a mailbox server ("repository"). The following document is a modified version of RFC 1064, the definition of the IMAP2 protocol. This RFC specifies an Experimental Protocol for the Internet community. It does not specify any standard.
What “Historic” means
A specification that has been superseded or is otherwise no longer recommended for use.
Read this RFC
The canonical text of RFC 1203 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1991
- RFC 1202 Directory Assistance service
- RFC 1204 Message Posting Protocol
- RFC 1201 Transmitting IP traffic over ARCNET networks
- RFC 1205 5250 Telnet interface
- RFC 1200 IAB official protocol standards
- RFC 1206 FYI on Questions and Answers: Answers to commonly asked "new Internet user" questions
- RFC 1199 Request for Comments Summary Notes: 1100-1199
- RFC 1207 FYI on Questions and Answers: Answers to commonly asked "experienced Internet user" questions