89a788ff_Zarafa_Archiver__Meaning_and_usage
[Setting] cleanup_action [Type] string [Default] store [Required] No [Meaning and usage] 
Specify what action should be taken on archive messages whose primary message has been deleted. Possible options are: store: the archived message in a special folder named Zarafa Archive\Deleted; delete, delete the archived messages.
Zarafa Archiver
Meaning and usage