imap clients say i have 4K messages but spool has 12894 files

[Brian J. Murrell]

On Tue, 2020-05-26 at 08:47 -0500, Nic Bernstein wrote:
> 
>     |expunge_mode:| delayed
> 
>         The mode in which messages (and their corresponding cache
>         entries) are expunged. “semidelayed” mode is the old behavior
> in
>         which the message files are purged at the time of the
> EXPUNGE,
>         but index and cache records are retained to facilitate
> QRESYNC.
>         In “delayed” mode, which is the default since Cyrus 2.5.0, 

So this doesn't apply to my 2.4.17 then does it?

> As shown in this excerpt from the manpage 
> <
> http://www.cyrusimap.org/imap/reference/manpages/configs/imapd.conf.html>
> ;, 
> the default is now "delayed," since v2.5.0.

Again, I am running 2.4.17, so does this apply?

> Those files on disk are 
> expunged messages which have not yet been deleted.  They may be 
> recovered via the 'unexpunge' command, as described on its manpage,
> here 
> <
> http://www.cyrusimap.org/imap/reference/manpages/systemcommands/unexpunge.html?highlight=unexpunge>
> ;.  
> To see a list of such messages, try 'sudo -u cyrus -c "unexpunge -l 
> user/username at domain.tld'

# sudo -u cyrus bash -c "/usr/lib/cyrus-imapd/unexpunge -l user.brian"
[nothing returned]

b.
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