Ok, looking at the file /var/log/maillog, it looks like the user tried to delete downloaded folders and somehow caught the shared mailbox, too.
In the maillog, for each folder in the shared mailbox, there is an entry: Rename: shared.[mailbox] > user.[username].Trash.[mailbox] Deleted mailbox shared.[mailbox] ------------------------------------------ Cyrus: Info Permalink: https://cyrus.topicbox.com/groups/info/Tc0fc6045ae80409f-M79cf11d54cbc44f0fb9240fc Delivery options: https://cyrus.topicbox.com/groups/info/subscription
