[Dovecot] Modifying mailbox GUIDs?

Greetings all,

I can view a mailbox's GUID like so: doveadm mailbox status -u guid

However, how may I *modify* a mailbox GUID? Can this be done using doveadm or some other tool?

If not, how may I go about modifying the dovecot.mailbox.log (where I assume GUID data is stored)?

My specific use case has to do with me wanting to modify an existing mailbox's GUID so that its messages are mirrored into a folder of the same name using "dsync mirror". (As we know, dsync utilizes GUIDs to determine mailbox uniqueness)

Thanks!

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• Faheem