Auto-delete messages

==== Required information ====
- iRedMail version: 0.8.5
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Linux/BSD distribution name and version: Debian 7.1.0
- Related log if you're reporting an issue: -
====

Hello there,

is there a way to run a script or something to delete messages in a user folder (.SPAMS) automatically if they're, let's say 1week old ?

Thanks in advance