iredmail-doc/en_US/howto/recalculate.mailbox.quota.md

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# Force Dovecot to recalculate mailbox quota
## Dovecot-2.x
Dovecot provides command line tool `doveadm` to recalcuate mailbox quota.
Sample usage:
* Recalculate one mailbox:
```
# doveadm quota recalc -u user@domain.ltd
```
* Recalculate ALL mail accounts:
```
# doveadm quota recalc -A
```
Reference: [Doveadm-Quota](http://wiki2.dovecot.org/Tools/Doveadm/Quota)
## Dovecot-1.x and Dovecot-2.x
iRedMail enables dict quota since iRedMail-0.7.0, dict quota is recalculated
only if the quota goes below zero.
* For MySQL and PostgreSQL backend:
```
mysql> USE vmail;
mysql> DELETE FROM used_quota WHERE username='user@domain.ltd';
```
* For OpenLDAP backend:
```
mysql> USE iredadmin;
mysql> DELETE FROM used_quota WHERE username='user@domain.ltd';
```
Re-login via POP3/IMAP (or webmail) will trigger Dovecot to recalculate mailbox
quota.
__TIP__: it's safe to delete records in SQL table `used_quota` if mail user
was deleted in table `vmail.mailbox` or LDAP. iRedAdmin-Pro will handle this
for you automatically.