如何在Zimbra中复制所有电子邮件，帐户和域名设置？

I have a working installation on Ubuntu 14.04 openVZ container of Zimbra Collaboration 8.6.0 Open Source edition. It works great and I've already set a daily full backup of the entire mail server/container (Let us say at 5:00 am) and with the latter I'm able to completely restore the server (at 5:00 am status).I have a working installation on Ubuntu 14.04 o