Allow Admins To Activate New Accounts

Hi,

I’ve setup a multisite on a server that has no ability to send emails. We want to keep things this way.

As it stands, a superadmin can create and activate new user accounts but site admins can only create them, with the activation email being sent to the user but never delivered as there is no email client running on the server.

Is there a way of allowing admins to create and activate users on their respective sites?