This will likely start off importing the data and start logging the information inside the /opt/zimbra/log/import.log file. for i in `cat emails.txt`; do zmprov ma $i zimbraSignatureName “`cat signatures/$i`”; zmprov ma $i zimbraPrefMailSignatureHTML “`cat signatures/$i`”; zmprov ga $i zimbraSignatureId > /tmp/firmaid; sed -i -e “1d” /tmp/firmaid; firmaid=`sed ‘s/zimbraSignatureId: //... https://www.hostscheap.com/zimbra-migration-service