You can establish single-level or multi-level workflows. Escalations and substitutes are easy to configure
Data owner are responsible for reviewing mailboxes regularly and can mark those which are no longer needed for removal. tenfold then automatically locks or deletes the mailboxes that have been marked.
Mailbox assignments or removals are documented automatically. You can access historical data at any time and see who had access to critical data.
Incorporation of data owners
You can define data owners from different departments for Zimbra; they are responsible for approving requests and for monitoring mailboxes on a regular basis.