magenta wrote: And even then I STILL get spam because the stupid porn peddlers, travel agencies in Uruguay, etc. have my site on a list of sites to spam!
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if ($HTTP_ACCEPT_LANGUAGE=="zn") die(""); ...
these links show, that you can get humans to read the words on the captcha if you offer them something to win or free pix if they do... this works if you have the possibility to recognize the same word.
magenta wrote: The user then can resubmit from the preview. Basically, if a legitimate user manages to trigger the spambot protection (it's possible, but unlikely) then it acts as if they pressed "preview" instead.