Hi,

since 3 days I have sometimes the following error for a few hours... all incoming mails are "blocked" then:

Code:
Nov 29 17:50:01 zimbra zimbramon[19900]: 19900:info: 2005-11-29 17:50:01, QUEUE: 7466 5
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: antispam: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: antivirus: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: ldap: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: logger: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: mailbox: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: mta: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: snmp: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, STATUS: zimbra.*my domain*.de: spell: Running
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, DISK: zimbra.*my domain*.de: dev: /dev/ida/c0d0p3, mp: /, tot: 16139, avail: 11952
Nov 29 17:50:13 zimbra zimbramon[19904]: 19904:info: 2005-11-29 17:50:01, DISK: zimbra.*my domain*.de: dev: /dev/ida/c0d0p1, mp: /boot, tot: 97, avail: 81
Nov 29 17:50:21 zimbra postfix/qmgr[22811]: 76FDCC6D41: from=<SRS0=4M74=ZZ=3ai.net=mail@gmx.at>, size=1528702, nrcpt=1 (queue active)
Nov 29 17:50:21 zimbra postfix/qmgr[22811]: 849DAC6D44: from=<SRS0=GeeA=Z4=3ai.net=mail@gmx.at>, size=1529043, nrcpt=1 (queue active)
Nov 29 17:50:24 zimbra postfix/lmtp[20122]: 849DAC6D44: to=<michael@*my domain*.de>, relay=zimbra.*my domain*.de[192.168.0.15], delay=3272, status=deferred (host zimbra.*my domain*.de[192.168.0.15] said: 451 4.0.0 Temporary message delivery failure try again (in reply to end of DATA command))
Nov 29 17:50:24 zimbra postfix/lmtp[20121]: 76FDCC6D41: to=<michael@*my domain*.de>, relay=zimbra.*my domain*.de[192.168.0.15], delay=262478, status=deferred (host zimbra.*my domain*.de[192.168.0.15] said: 451 4.0.0 Temporary message delivery failure try again (in reply to end of DATA command))
What could this be?