Hello,
on 01/18/2008 01:55 PM Javier Huerta said the following:
> Thanks for all of your suggestions which all point to using Catpcha. I have
> actually already implemented Capchta and they are still getting around it.
> Even if they are entering it manually rather than via a bot, is there a way
> to check if the email address is of a specific format and if so then don't
> process the form?
Sure. If you just want to block addresses of some domains, you do not
even need to use regular expressions. Try something like this:
$block = 'jhgfghjk.com';
$email = $_POST['email'];
if(substr($email, -strlen($block)) === $block)
{
do whatever you want to not accept this address;
}
If you iterate this code over a list of blocked domains taken from an
array, you have implemented a generalized black list.
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Regards,
Manuel Lemos
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