If there are no Product Management(ABQ) rules utilized OR cell sharing is disabled for ActiveSync customers, you may skip the techniques to export/import the cell knowledge. 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; https://www.hostscheap.com/zimbra-migration-service