2
votes
2answers
271 views

Does anyone run a site with Pligg? What is the most effective way to stop spam sign ups? [duplicate]

Possible Duplicate: How can I prevent spam on sites which I control? Specifically trying to combat things like this! http://www.autopliggdotcom (didnt want to give them a link!)
4
votes
3answers
470 views

How to tell whether spammers are bots or humans?

How can you tell if the people that are spamming your forum or website are in fact bots or human spammers? Please note that the question is not about preventing spammers. It is to determine if the ...
2
votes
2answers
100 views

Strange spam posts not making sense [duplicate]

Possible Duplicate: What kind of spam is this? I'm running a web site with a forum where one small part is open for posting from unregistered users. The site uses captcha, but still some ...
2
votes
2answers
691 views

Has anybody earned $0.25+ from each of a captcha (on your website) passing?

I am a real dummy in web monetizing schemes. [ 1 ] informs that a captcha vendor: "charges a fee of about 25 cents to 50 cents for each form that is filled out using a Type-In ad [captcha]... ...
3
votes
2answers
233 views

Localized CAPTCHA

What are effective CAPTCHA solutions that can have localized description, and CAPTCHA text itself is either language-neutral, or can be localized (for Polish language)? It is to be used to protect a ...