Do a full backup of your data before hand (like, stop SMTP incoming, then do a backup, then do the upgrade).
Also, familiarize yourself with this: https://github.com/jaymzh/recover-cyrus (Full disclosure, that is my repo) If the migration fails, that script and README will help you recover and migrate all of your mailboxes. ------------------------------------------ Cyrus: Info Permalink: https://cyrus.topicbox.com/groups/info/Ta01e6935b46972c7-M26adb084ff1f2fbaae0df0cb Delivery options: https://cyrus.topicbox.com/groups/info/subscription
