Yes! Zimbra is available as a free 60 day trial which can be installed on your own server. Trial editions are available in VMWare Appliance or a installation. During your trial, you have the added benefit of support from both Agileware and the Zimbra team. A perfect no-risk option if you want to evaluate, load-test or even start migrating users in your organisation. The trial provides Zimbra Professional Edition. Please contact us to receive a Zimbra 60 day trial license key.
Yes, when you purchase Zimbra a new license key will be emailed to you. Just install the new license key and you are right to go! No software re-installation required, data remains intact.