Generate file list of message to be delete.
# zmmailbox -z -m admin@mdkl.gov.my s -l 1000 -t message "in:inbox content:root@mdkl" | awk '{ if(NR > 4){print}}' | cut -c7- | awk '{print $1","}' | tr -d '\n' > /tmp/delmessg
Delete message from list file : /tmp/todel
# zmmailbox -z -m admin@mdkl.gov.my dm `cat /tmp/todel`
