All subfolders are included, other than Junk and Trash. There is no way to incorporate these in the massive dump, but they can be exported independently: 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