Different address: Notification about registration

Hello,

can I alter the e-mail address receiving notifications about new users pending approval etc.? I would like them to go to a dedicated address I've set up for the network. So far I just managed to put it in as sender address.

Thanks!

Would it be a way of adding a dedicated user (group) and set this one as moderator for CB? Can I adjust the user rights in a way that this / these moderators can only access CB and nothing else?

Thanks!

Edit:
I set up a sub-group to "Registered" for the users and a sub-group to them for the moderators. So they can log-in to the front-end only and approve / reject new users. But still all the notification e-mails go to the superuser