Salut,
On Tue, Aug 15, 2006 at 05:35:26PM +0200, Matthias Hertzog wrote:
b) Web-user has to enter a unique number (generated image) in the form to prove, he's a human being.
The problem here is that spam bots are apparrently exceptionally good already at reading these characters out of the picture. In fact, they are even better than the average human reader, that's at least my experience.
Also note this screenshot to the topic:
http://www.thedailywtf.com/images/200608/look_harder.JPG
Tonnerre