by hex4bot » 01 Apr 2013, 17:39
try to understand how post/get/put works, then you will have your answer, i can of course put captcha code in that field, wait 1 second, then you will be able to see that bot write some captcha, then click OK, but there is no time for such a things,
when bot does not recognise letters on captcha, it refresh page(F5) and image is reloaded, and bot try to read letters again
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