Just to include it here: $ cyrus reconstruct -V max user.dmarc FAILED TO REPACK user.dmarc with new version Mailbox format corruption detected
------------------------------------------ Cyrus: Info Permalink: https://cyrus.topicbox.com/groups/info/T6c44d0952c6f2593-M4ed8c544b31cdcbb3b996e97 Delivery options: https://cyrus.topicbox.com/groups/info/subscription
