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# Ignore Trash folder in mailbox quota
Per-user mailbox quota rule is defined in Dovecot, in one of below files:
* `/etc/dovecot/dovecot-mysql.conf`: MySQL backend
* `/etc/dovecot/dovecot-pgsql.conf`: PostgreSQL backend
* `/etc/dovecot/dovecot-mysql.conf`: MySQL backend
If no per-user quota rules found, Dovecot will use 'quota_rule[X]' defined in
`/etc/dovecot/dovecot.conf`. For example:
```
# File: /etc/dovecot/dovecot.conf
plugin {
quota = dict:user::proxy::quotadict
quota_rule = *:storage=1G
#quota_rule2 = *:messages=0
#quota_rule3 = Trash:storage=1G
#quota_rule4 = Junk:ignore
...
}
```
So, if you want to ignore quota of `Trash` folder, you can add new quota_rule
in either `/etc/dovecot/dovecot.conf` or `/etc/dovecot/dovecot-{mysql,pgsql,ldap}.conf`.
* Sample setting #1:
```
# File: /etc/dovecot/dovecot.conf
plugin {
quota = dict:user::proxy::quotadict
quota_rule = *:storage=1G
quota_rule2 = Trash:ignore
...
}
```
* Sample setting #2:
```
# File: /etc/dovecot/dovecot-ldap.conf
user_attrs = ...,mailQuota=quota_rule=*:bytes=%$,=quota_rule2=Trash:ignore
# File: /etc/dovecot/dovecot-mysql.conf, or dovecot-pgsql.conf
user_query = SELECT ... \
CONCAT('*:bytes=', mailbox.quota*1048576) AS quota_rule \
'Trash:ignore' AS quota_rule2 \
FROM ...
```