kvarnerexpress
Aug 7 2005, 09:56 PM
| | i have a web form on my site which can be filled in with a customers email, name and question or comment. when the form is submitted an email is sent to an address i setup with all the info.
recently i've been getting alot of spam/junk coming from the web form. for the most part, they usually come pretty close together, which makes it seem like just one spammer (at least at a time). also i'm talking like 5-10 messages at a time.
i'm wondering if people have any suggestions how to protect these types of web forms from spammers.
any ideas/help is appreciated
kvarnerexpress |
Reply
Tyssen
Aug 7 2005, 10:50 PM
I was getting a similar thing from one of my forms. All the spam was coming from online gaming sites and they kept copying their keywords into all the fields. So I set up a filter on the commonly used spam words and now I don't get it any more. (This was done in ASP, but the method will be the same for PHP.) CODE 'checks for spam
Dim spam, spamArray
spam = false
spamArray = Array("poker", "viagra", "texas", "xanax", "holdem")
for i=0 to 4
if (InStr(Request.Form("message"),spamArray(i)) > 0 ) then
spam = true
end if
next You put the words you want to filter out into the array, then loop through the relevant field (in my case, the message field) a few times to see if any of those words are present. If they are, spam = true and the email doesn't get sent.
Reply
beeseven
Aug 9 2005, 03:27 PM
Here's a PHP version of the above script: CODE
$spam = false;
spamArray = array("poker", "viagra", "texas", "xanax", "holdem");
for($x = 0; $x < count($spamArray); $x++)
{
if (substr_count($_POST['message'],spamArray[$x]) > 0 )
{
$spam = true;
}
}
if(!$spam)
mail(...
Reply
squeezer
Aug 9 2005, 04:04 PM
[quote=beeseven,Aug 9 2005, 03:27 PM] i've the same problem!
Reply
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