Posted by vrlist.info on 12/05/07 12:47

On 4 dic, 14:01, "asdf" <a...@asdf.com> wrote:
> "vrlist.info" <vrlist.i...@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.

Yes, I know that it is a problematic technic. Anyway, at least at this
moment, the most common IPs (top ten) are supposing about 75% of thet
total spam.

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