Preventing Spam Accounts From Getting Created

  1. Login into your site
  2. Go to http://yoursite.ucsf.edu/admin/config/people/accounts
  3. Find Who:  can register accounts?
  4. Select - Administrators only
  5. Find When cancelling a user account
  6. Select - Disable the account and keep its content.
  7. Click on  Save Configuration button

That should do it!