Disk space is plentiful
[zimbra@webmail libexec]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
459G 19G 418G 5% /
/dev/sda1 99M 12M 82M 13% /boot
none 252M 0 252M 0% /dev/shm
/dev/shm 150M 236K 150M 1% /opt/zimbra/amavisd-new-2.3.3/tmp
/dev/shm 150M 236K 150M 1% /opt/zimbra/amavisd-new-2.3.3/tmp