Originally Posted by juwaack68
Welcome to the forums.
Remove that address from your BIS account and you won't get any mail sent to it forwarded to your BB.
Or, if you've done what I do - create a secondary address that forwards to your primary address (i.e. there's no separate mailbox for the secondary address) - just login to your BIS account and setup a filter on your primary address to not forward any mail addressed to the secondary address.