This command will export accounts belonging to the desired domain while in the accounts-drive-details.tgz file underneath the /choose/zimbra/tmp/modules/push folder. Repeat the Cellular migration and account migration until many of the accounts are migrated into the desired destination server. /decide/zimbra/conf/smtpd.essential If you're utilizing the certificates for nginx, perditio... https://www.hostscheap.com/zimbra-migration-service