Symptoms: Antivirus do not startup anymore emails cannot send out anymore Fix To fix this issue, you can delete the definitions and try again: su - zimbra mkdir /tmp/clamdb (in versions prior to 5.0.3) mv /opt/zimbra/clamav/db/* /tmp/clamdb (in version 5.0.3 or later) mv /opt/zimbra/data/clamav/db/* /tmp/clamdb zmprov ms `zmhostname` +zimbraServiceEnabled antivirus /opt/zimbra/clamav/bin/freshclam --config-file=/opt/zimbra/conf/freshclam.conf zmantivirusctl stop zmantivirusctl start 07.12.13

http://wiki.zimbra.com/wiki/ClamAV_-_Reset_Defs_DB

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