On 2007-01-12 23:25:55 +0100, Chuck Anderson <websiteaddr...@seemy.sig> said:
> I have a contact form on my site (been there for a few years) and justI had the exact same problem with my contact forms, that I solved by
> lately someone has begun using it to send Spam to me - and only to me
> (one to three times a day). I can tell because I track the usage of
> those contact form scripts (that I wrote) closely. The person is not
> even trying to inject anything into the headers, they are just sending
> me URLs to their porn sites.
> Is there any way to block this kind of usage? I've tried the usual
> I'm already cleaning all my form variables (checking for LF and CR and
> [ ..... Is this actually a productive way for spammers to distribute
ignoring the e-mail if the body contains 3 times or more the string
"http://". Those spam e-mails contained always 10 times or more the
spammer's web link, to be sure we don't miss it. Legitimate senders
never send me even a single web link in their message. This way, a
single link, or even two, is still allowed.
Here is my very simple anti-spam function:
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