I've been spending a little too much time lately deleting spam user accounts from Nuketown. These are accounts that you, gentle reader, never see; they're created by spambots hellbent on promoting all manner of products, and I kill them before they can stick their spammy little necks out into the sunlight.

However, it was a manual process and, depending on how many I got on a given day, a time consuming one as well. So I've decided to deploy Drupal's Captcha module, and configured it demand answers to math-based questions as part of the account creation process.

Only new users will see the captcha; returning visitors won't have to answer the question to log in. It's also protecting the "contact us" form; anonymous users will have to answer the question, registered users will not.

Now to see if it actually stops the spammers...