list of IMAP extensions

Ken Murchison murch at andrew.cmu.edu
Mon Jun 26 08:11:16 EDT 2017



On 06/22/2017 06:34 PM, Stephen Ingram wrote:
> On Thu, Jun 22, 2017 at 1:08 PM, Stephen Ingram <sbingram at gmail.com 
> <mailto:sbingram at gmail.com>> wrote:
>
>     On Thu, Jun 22, 2017 at 12:55 PM, Adam Tauno Williams
>     <awilliam at whitemice.org <mailto:awilliam at whitemice.org>> wrote:
>
>         Quoting Stephen Ingram <sbingram at gmail.com
>         <mailto:sbingram at gmail.com>>:
>
>             Is there a comprehensive list of IMAP extensions supported
>             by Cyrus-IMAP
>             2.4.x and 3.x? Not the RFCs, but the actual extensions
>             like QRESYNC and
>             THREAD=REFS.
>
>
>         So not https://cyrusimap.org/imap/rfc-support.html
>         <https://cyrusimap.org/imap/rfc-support.html> ?
>
>
>     No. I had already found that, but would love it if the extensions
>     were listed directly. I'm trying to verify product support for
>     Cyrus-IMAP and would love to have a quick checklist. I could sworn
>     I've seen something like this before, but can't seem to locate it now.
>
>
> I forgot to include exactly the extensions I'm looking for:
>
> IDLE
> QRESYNC
> CONDSTORE
> CHILDREN
> THREAD=REFS
> UIDPLUS
> SORT
> UID SORT
> LIST-STATUS
> SPECIAL-USE
> MOVE
>
> I know that IDLE is supported and it looks like CONDSTORE can be 
> turned on using cyradm on an account-by-account basis, but I'm not 
> totally sure about the rest. Does anyone have an idea?

Those certainly are all supported in 3.x.  Most, if not all, are 
supported in 2.4.  To see what is supported/enabled on any version, use 
imtest to connect and authenticate to your server and send the 
capability command:

x1 CAPABILITY

-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University

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