I was recently trying to upgrade to the latest version. Something happened and my update failed and I can't seem to recover. Have tried many things with no success.

I was foolish and did not backup up /opt/zimbra before running the upgrade. I do have a clonezilla backup from a few months ago I can restore, but am wondering if there is a way to import users and mail from the /opt/zimbra I broke when I tried to upgrade.

I know I made a mistake by not backing up /opt/zimbra, but if someone can help me, I may be able to avoid getting fired.