Disappearing Mailbox Content

[Robert T. Covell]

We have an odd situation that I cannot track down regarding all content in a mailbox disappearing (minus sub mailboxes).

CentOS release 6.5
Cyrus IMAP v2.4.17-Invoca-RPM-2.4.17-6.el6

A while back we setup a Cyrus install for a client to use as a mail repository for customer contact.  They have one account which is shared across all users in the office.  Approximate size of the account is 85GB.

At times when a user tries to move email into a Customers mailbox the action is denied.  On the client side they see do see email in the mailbox (cached).  Upon further review everything is gone for that mailbox including: cyrus.cache, cyrus.header, cyrus.index.  Backups contain everything including past emails and the core Cyrus files.  If the mailbox contained other mailboxes they are not affected.  Reconstructing it corrects the issue, luckily our backups do not propagate deletes.

Problem is that we can't find any record of the mailbox being deleted.  The content just disappears.  We have been running Cyrus for years and have never seen anything like this.  I am leaning towards user error but I can't identify what that would be.

Any insight would be appreciated.

_______________________
Robert Covell
Rolet Hosting & Interactive
www.rolet.com

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