[Dovecot] trouble with setting individual quota values for multiple namespaces

[Timo Sirainen]

On 1.8.2013, at 11.09, Andreas Oster <aoster at novanetwork.de> wrote:

> please apologize that I repost this problem again. I tried to get some
> help several times on the list but did not find/get a solution.
> 
> I am still struggling to setup different quotas for namespaces.
> 
> In addition to the default "INBOX" namespace I have created a namespace
> called "MailArchive" which should have its own quota value of 5G per user.
> 
> At first I configured quota2 like this:
> 
>  quota2 = maildir:MailArchive quota:ns=MailArchive/
>  quota2_rule = *:storage=5G
> 
> and this seemd to work quite well. Users, accessing the MailArchive
> namespace can see the 5G limit in their mail client, unfortunately in
> the mail.err log file, errors like these repeatedly appear:
> 
> Jul 29 11:40:24 mailserver dovecot: imap(testuser): Error: quota:
> Unknown namespace: MailArchive/
> Jul 29 11:41:43  dovecot: last message repeated 47 times

I can't reproduce this, works fine for me. Show your entire doveconf -n output? Also set mail_debug=yes and show what it logs when you log in.

> In the WIKI I have read, that in order to have quota for different
> namespaces, one would have to use different quota backends so I changed
> the quota config for the MailArchive namespace to SQL.

The wiki was wrong, you can use two Maildir++ quota backends for different namespaces. I updated the wiki now.