Log into the Admin Panel as an administrator. You can find instructions in our FAQ article "How can I log in to the Admin-Panel (web interface of the filter)?".
Click on General > Mailboxes configuration and switch to the tab Mailboxes.
Select Show results to display all mailboxes.
Go to the drop-down menu for the desired address and select Edit.
You can deactivate archiving for several mailboxes by selecting several entries.
Now expand the menu item Archiving enabled and select the option No to disable archiving for this address.
Click on Save to apply the change.