maildirsize calculation gives higher value than a real disk utilization

[Timo Sirainen]

On 21 Jul 2016, at 12:54, Andrea Lisci <andrelisci at gmail.com> wrote:
> 
> Hi,
> 
> hope someone can help also if this problem is difficult to debug
> 
> I have a mail account that has on file system 32GB however
> quotacalculation gives a higher value 41262146
> 
> I've already tried to:
> 
> - doveadm quota recalc -u user at domain

If after quota recalc the quota value is higher than "du" value, try with "du -l" instead. My guess it that the same emails have been copied to multiple folders with hard links. Dovecot counts each instance as its own mail, even though on filesystem they are deduplicated.