Quota and maildir does not work with subfolders of INBOX

[Niels Kobschätzki]

> On 10. Sep 2019, at 22:09, Mark Moseley via dovecot <dovecot at dovecot.org> wrote:
> 
>> On Mon, Sep 9, 2019 at 8:57 PM Niels Kobschätzki via dovecot <dovecot at dovecot.org> wrote:
> 
>> On 9/9/19 6:18 PM, @lbutlr via dovecot wrote:
>> > On 9 Sep 2019, at 09:27, Niels Kobschätzki <niels at kobschaetzki.net> wrote:
>> >> The moment I remove those folders, the size gets calculated correctly. Unfortunately those folders are generated by some clients automatically afaik (like .INBOX.Trash)
>> >> That sounds like a misconfiguration of the IMAP client. Someone has
>> gone in and improperly set INBOX as the IMAP path Prefix in their MUA.
>> 
>> The thing is that it worked before. Even when the user misconfigured
>> their client in such a way, the quota-plugin shouldn't just throw some
>> dice to get to a arbitrarily high quota the user has used instead of the
>> right amount.
>> 
>> > I used to have this problem with some users until I implemented repeated and consistent application of a clue bat.
>> 
>> Some users is in my case (as far as I guess) like 0.5%
>> 
>> > I don’t know of a server-side setting to prevent users from screwing up this setting, but maybe?
>> 
>> Wouldn't that break existing accounts?
>> 
> 
> Does it sound like this? https://www.dovecot.nl/pipermail/dovecot/2019-March/115214.html
> 
> If so, in a direct email, Timo suggested using the 'count' quota (instead of the Maildir++ quota). I've not yet been able to test that to verify, due to the large amount of mailboxes and the reliance on maildirsize file for some of our tools. 

This could be it but according to the documentation I don’t want to risk that performance hit. I have a high number of accounts as well and I don’t want to risk that performance hit when switching even though all boxes should be indexed. 

Niels 
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