64bit body part and message sizes in IMAP4

Document Type Expired Internet-Draft (extra WG)
Authors Alexey Melnikov  , Jayantheesh 
Last updated 2018-09-05 (latest revision 2018-03-04)
Replaces draft-melnikov-imap-64bit
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Expired
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines an IMAPv4rev1 extension that extends the existing IMAPv4rev1 32 Bit message and body part sizes to 63 bit. Both the base IMAP specification (RFC 3501) and several extensions are updated.


Alexey Melnikov (alexey.melnikov@isode.com)
Jayantheesh (jayantheesh.sb@gmail.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)