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Status:

PROPOSED STANDARD

Authors:

B. Leiba
A. Melnikov

Stream:

IETF

Source:

imapext (app)

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DOI:  https://doi.org/10.17487/RFC5258

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Abstract

IMAP4 has two commands for listing mailboxes: LIST and LSUB. As wehave added extensions, such as Mailbox Referrals, that have requiredspecialized lists we have had to expand the number of list commands,since each extension must add its function to both LIST and LSUB, andthese commands are not, as they are defined, extensible. If we'veneeded the extensions to work together, we've had to add a set ofcommands to mix the different options, the set increasing in sizewith each new extension. This document describes an extension to thebase LIST command that will allow these additions to be done withmutually compatible options to the LIST command, avoiding theexponential increase in specialized list commands. [STANDARDS-TRACK]

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.