Re: PHP formmail getting spammed by bots


"Don Khuth" <donkhuth@xxxxxxxxxxxx> wrote in message
news:ZOMVf.616$m35.45300@xxxxxxxxxxxxxxxxxxxxxxxx
"KoRnDragon" <korndragon@xxxxxxxxx> wrote in message
news:1143430063.601434.144680@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I'm getting spam almost daily now from bots crawling my site. Well it
seems they've learned how to work a form as well. I added $_POST for
the form but it seems that's not enough anymore. Any suggestions?
Blocking keywords for the bots won't help. I need a better alternative.

Thanks in advance!


Random turing numbers seems to be working for me so far.


/*correction*/
I haven't had any spam since I implemented that.



<?php
srand((double)microtime()*1000000);
$string = md5(rand(0,9999));
$_SESSION["turing"] = substr($string, 0, 5);
?>

When the form is posted, check the posted value with the session value,
chances are the post was made by a real person.



.

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