Sure. A person can have several email addresses by building email aliases. You are able to incorporate as much as 30 email aliases for each person. 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