] On Behalf Of Darin
Cox
Sent: Thursday, April 10, 2008 9:04 AM
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] form spam filter
Hi Matt,
Parsing CAPTCHA essentially means OCR. OCR in general would be
CPU-intensive. Spammers are using such techniques for Yahoo, Hotmail
overall effectiveness, I
still believe CAPTCHA is the single best method to secure a public form.
Darin.
- Original Message -
From: Matt
To: declude.junkmail@declude.com
Sent: Wednesday, April 09, 2008 1:04 PM
Subject: Re: [Declude.JunkMail] form spam filter
Note that I'm not claiming
Since forms all use different emailers, and the form content is different as
well, your only hope is content filtering based on what the spammer
submitted... like SURBL filtering or REGEX on the spammer submission.
These days, web-based form processing pages should minimally check that the
The form spammers are smarter than to go directly to the mail script.
They will hit for the form submission page with what appears to be IE
and submit the form. They even handle cookies correctly.
The trick for form spam is to take fields like your Name and E-mail and
rename the variables
To: declude.junkmail@declude.com
Sent: Wednesday, April 09, 2008 8:55 AM
Subject: Re: [Declude.JunkMail] form spam filter
The form spammers are smarter than to go directly to the mail script. They
will hit for the form submission page with what appears to be IE and submit the
form. They even handle cookies
: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Darin
Cox
Sent: 09 April 2008 15:09
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] form spam filter
Hi Matt,
Some do, some don't. I've seen both methods used on some customer sites.
Setting session variables
, April 09, 2008 9:22 AM
Subject: RE: [Declude.JunkMail] form spam filter
Thanks people for the comments.
I will stick with captchas for now but it would be great if declude could
figure a nice filter to deal with it, at the end of the day its still incoming
spam.
Kindest Regards
Craig
:[EMAIL PROTECTED]
*To:* declude.junkmail@declude.com mailto:declude.junkmail@declude.com
*Sent:* Wednesday, April 09, 2008 8:55 AM
*Subject:* Re: [Declude.JunkMail] form spam filter
The form spammers are smarter than to go directly to the mail script.
They will hit for the form submission page
:24 AM
Subject: Re: [Declude.JunkMail] form spam filter
Darin,
I think you missed what I was saying exactly. If the form spammer fills out
the fields that are hidden by DIV's, the E-mail wouldn't be sent by the mailer
script and it would pretend to have been successful.
Spammers use programs
: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Matt
Sent: Wednesday, April 09, 2008 4:24 PM
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] form spam filter
Darin,
I think you missed what I was saying exactly. If the form spammer fills out
the fields that are hidden
.
- Original Message -
From: Gufler Markus | Limitis
To: declude.junkmail@declude.com
Sent: Wednesday, April 09, 2008 10:53 AM
Subject: RE: [Declude.JunkMail] form spam filter
Matt, Darin
would it possible that you both forget, that 99,9+% of all incomming formmail
spam is send from
, April 09, 2008 11:54 AM
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] form spam filter
Matt,
I did understand. What I'm saying is that it doesn't always work. To
clarify, in addition to less sophisticated automated form fillers that would
fill out all fields
.
Darin.
- Original Message -
From: Marc Catuogno
To: declude.junkmail@declude.com
Sent: Wednesday, April 09, 2008 12:22 PM
Subject: RE: [Declude.JunkMail] form spam filter
One thing we did on our domain is to ban pasting so that the scripts couldn't
paste their info into our fields
PROTECTED]
*To:* declude.junkmail@declude.com mailto:declude.junkmail@declude.com
*Sent:* Wednesday, April 09, 2008 12:22 PM
*Subject:* RE: [Declude.JunkMail] form spam filter
One thing we did on our domain is to ban pasting so that the scripts
couldn't paste their info into our fields. Also I
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