[okfn-help] Spam - captcha to the rescue?

[Adam McGreggor]

On Tue, Jul 19, 2011 at 09:44:03PM +0200, elf Pavlik wrote:
> Hi,
> 
> I keep hearing about someone working on deleting 'spam users'. How about starting using captchas? We can start with on on registration first to prevent bots from registering, if we still get spam we can put captcha on few first comments for a user account etc.
> 
> Anyone have more experience with some captcha strategies?
> This link may come useful:
> http://wordpressapi.com/2010/03/27/captcha-code-wordpress-registration/

I've been impressed with Mollom <http://mollom.com/>.

That said, I've used it with more Drupal installations than Wordpress
ones.

-- 
"In Lent she ate onion soup and gave up drink; but otherwise she 
 must have drunk the maximum compatible with survival and sanity."
    (Telegraph Obit of Jennifer Paterson, one of the 'Two Fat Ladies')