RFC 4315 · PROPOSED STANDARD · 2005
WED · 29 JUL 2026
Internet Message Access Protocol - UIDPLUS extension
Overview
RFC 4315, “Internet Message Access Protocol - UIDPLUS extension”, is a Proposed Standard document published in December 2005 by M. Crispin. It obsoletes RFC 2359. The canonical text is published by the RFC Editor.
Abstract
The UIDPLUS extension of the Internet Message Access Protocol (IMAP) provides a set of features intended to reduce the amount of time and resources used by some client operations. The features in UIDPLUS are primarily intended for disconnected-use clients. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 4315 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2005
- RFC 4314 IMAP4 Access Control List Extension
- RFC 4316 Datatypes for Web Distributed Authoring and Versioning Properties
- RFC 4313 Requirements for Distributed Control of Automatic Speech Recognition , Speaker Identification/Speaker Verification , and Text-to-Speech Resources
- RFC 4317 Session Description Protocol Offer/Answer Examples
- RFC 4312 The Camellia Cipher Algorithm and Its Use With IPsec
- RFC 4318 Definitions of Managed Objects for Bridges with Rapid Spanning Tree Protocol
- RFC 4311 IPv6 Host-to-Router Load Sharing
- RFC 4319 Definitions of Managed Objects for High Bit-Rate DSL - 2nd generation and Single-Pair High-Speed Digital Subscriber Line Lines