Check registration info against a blacklist. Module page https://www.drupal.org/project/spambot Stability Secure Tags #Spam, #Users #Spam [Module] Protected Forms [Article] Bots And Spam [Project update] Protected registration [Module] Turnstile [Module] Spamicide #Users [Article] User Password Without Confirm [Tip] Recreate User Picture Field [Project update] TODO: User account modules [Project update] User Account Labels [Module] Profile