Hi, from two days postfix is shutdowning itself with no reason. In Zimbra.log I see:

Code:
Oct 30 09:22:06 localhost postfix/postqueue[19809]: fatal: Queue report unavailable - mail system is down
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: antispam: Stopped
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: antivirus: Stopped
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: ldap: Running
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: logger: Stopped
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: mailbox: Stopped
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: mta: Stopped
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: snmp: Stopped
Oct 30 09:22:07 localhost zimbramon[19681]: 19681:info: 2006-10-30 09:22:02, STATUS: grass.intra.comune.trento.it: spell: Stopped
What is happening?