Magento Customer Approval Extension let the store owner manually approved customer accounts from the registrations.
Details
Sometimes the store owner needs to have control over store registration due to several reasons like...
Validate customers' registrations manually
Having a private store with special prices
Grant store access to limited members
Remove Spam registration by identifying genuine accounts
Or anything that requires control over your Magento Customer Registration.
MageComp has come up with Magento Customer Approval Extension that allows the store owner to manually approve customer registration from store backend. Until store admin approves customer registration from the backend, it will turn into pending customer account status and the customer cannot login to store front-end. The extension designed to quickly notify about registration to both store owner and customer via email.