Posted by asdf on 12/04/07 13:01

"vrlist.info" <vrlist.info@gmail.com> wrote in message
news:6c49f8b5-1f50-46c9-8ca2-f3fd903ec019@e23g2000prf.googlegroups.com...
> Hello,
>
> I have a directory, http://www.vrlist.info , where people add their
> vacation rental items via a form.
>
> In this moment I register the submissions at a separate table and
> manually delete the spams (about 95% of the total submission and it is
> going up).
>
> I do not like the catcha system.
>
> I have an idea and so I am registration the IPs of the sites
> considered as spam in a different table (fields: IP, last-date,
> times). Most of them are repeting submissions.
>
> My idea is, for instance, put the following rule:
>
> - If I get a submission, checking the IP, if it is at the "spam-table"
> more than x times (for instance 5 times) just delete it.
>
[snip]

Blacklisting IP addresses is a very bad idea IMHO, unless you can
categorically state that the IP address is a permanent one. What about
dynamically assigned IP addresses? An IP address does not identify a
spammer, merely it identifies the network address that they were using at
the time.

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