64bit body part and message sizes in IMAP4

Document Type Replaced Internet-Draft (individual)
Authors Alexey Melnikov  , Jayantheesh 
Last updated 2017-05-04 (latest revision 2016-10-31)
Replaced by draft-ietf-extra-imap-64bit
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Intended RFC status (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This Internet-Draft is no longer active.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.


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.)