[TYPO3-dev] captcha

[Martin Kutschker]

Zorik schrieb:
>>May I ask you what we can do to prevent
>>bots from adding unsolisitated text to any website?
>>specially on response forms and contact forms.
>>As you seem to know a lot about the subject I think it
>>would be a good question for you.
> 
> There's a lot of techniques.
> To prevent the example you gave you simply have to check for doubleposting.
> This is implemented in the core, by the way (in a good, old FETCE).
> 
> The best technique I saw so far, which prevents me from using bots, is a
> simple "terms and conditions" agree checkbox. There are websites where I
> have to check the checkbox to enter. But the T&C states that no automated
> software may be used. Entering the site with a bot would be a violation of
> agreement and is illegal.

And so? AFAIK spammers don't care about laws. There are anti spam laws in 
many countries yet they still send spam.

Masi