Elegant way to backup or restore user mailbox in Zimbra. Tested in Zimbra 8.x and works. BACKUP user mailbox: /opt/zimbra/bin/zmmailbox -z -m user@domain.tld getRestURL “//?fmt=zip” > /backup/dir/user@domain.tld.zip RESTORE user mailbox: /opt/zimbra/bin/zmmailbox -z -m user@domain.tld postRestURL “//?fmt=zip&resolve=reset” /backup/dir/user@domain.tld.zip SOURCE: http://blog.zimbra.com/blog/archives/2008/09/zcs-to-zcs-migrations.html http://www.sfu.ca/~hillman/zimbra-hied-admins/msg00583.html