Re: web form and spam mails.

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I don't know if it is the same one you found, but I have implemented
this one on some of my sites:

http://www.kloth.net/internet/bottrap.php

(That is the link to the instructions)

It's an older script, but it seems to work like a charm. I have yet to
receive a single bot submission.

--- In php-objects@xxxxxxxxxxxxxxx, "Dean H" <deanhouseholder@...> wrote:
>
> I found an ingenious idea online (don't remember the site) and
implemented
> it on a web-form and have 100% spam filtering and 100% valid emails
going
> through.
> 
> The concept is that you set a trap that the spam bots will fall
into.  They
> crawl your pages looking for forms.  When they find forms they try
to fill
> them out with their pre-created fields.  They will look for fields
such as
> Name, Address, Subject, Body, Email, Phone, etc.  Then they will
craft a GET
> string based off of the <form action=""> url.
> 
> So, I created a new input text field called "email2" which was used
for the
> REAL email field and I used my regular "email" input field as a
trap.  Here
> is my (very simplified) code:
> 
> <form name="info" action="send.php" method="post">
> <input size="1" name="email" type="text" style="width: 1px; height: 1px;
> border: solid 0 #FFF;" />
> Name: <input size="30" type="text" name="name" /><br />
> Email: <input size="30" type="text" name="email2" id="email" /><br />
> Message: <br /><textarea name="message" id="message" rows="10"
> cols="29"></textarea><br />
> <input type="submit" value="Send now" class="submit"/>
> </form>
> 
> You'll notice that the "email" field has some css which is telling
it to be
> 1x1 pixels with a white border.  This makes it invisible and no
human should
> ever fill this out.  The spambots, on the other hand, come to the
site, fill
> out ALL the fields (especially the "email" field) and submit it.
> 
> At that point you just write some PHP code to filter out all emails
which
> have the "email" field filled out and continue posting/emailing the
valid
> ones.  In this case, my intent was to send emails upon submission. 
Here is
> the php validation code I wrote to do this:
> 
> <?php
> /* SPAM TRAP */
> $Email      = isset($_POST['email2']) ? $_POST['email2'] : '';
> $Email_fake = isset($_POST['email']) ? $_POST['email'] : '';
> $Name       = isset($_POST['name']) ? $_POST['name'] : '';
> $Message    = isset($_POST['message']) ? $_POST['message'] : '';
> $SendTo     = 'user@...';
> 
> /* Spam bot filter */
> if($Email_fake == ""){
>     // Legitimate email
>     mail($SendTo,'[Spam-free email]','Sent: '.date('m/d/Y
h:i:s')."\nSender:
> $Name ($Email)\nQuestion: $Message")
> }else{
>     // Spam Email
>     mail($SendTo,'[Spam email caught]','Sent: '.date('m/d/Y
> h:i:s')."\nSender: $Name ($Email)\nFalse Email: $Email_fake\nQuestion:
> $Message");
> }
>     print '<h2>Thank you for your submission.</h2></p>';
> // End of Spam Filter
> ?>
> 
> Hope this works for you.  It's working PERFECTLY for me.  I'd love
to hear
> any feedback on this as well. =)
> 
> Thanks,
> Dean Householder
> 
> 
> On 7/6/07, ~Tarun~ <tarun.virgo@...> wrote:
> >
> > Hello Members,
> >
> > I am facing big trouble with Spam mails.
> >
> > I hve webform on my website http://www.silvocrafts.com
> >
> > I have done all security measures but still this kind of mails is
creating
> > trouble for me. 100's of email daily like this. Please suggest how to
> > prevent this kind of spamming in web forms by php.
> >
> > Attached the mail i get from web form.
> >
> > Regards,
> >
> > Tarun
> >
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>



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