An easy thing to do might be to limit the number of submissions a single IP address can submit in a given period of time. That way, an occasional spam will get through, but its effect will be limited.

Also, if this web form has a standard url -- like you got it from a major script site like hotscripts or something -- just changing the url and some of the form names away from the default settings will go a long way towards thwarting a casual spam attacker. Mostly, these types of events seem related to targets of opportunity, so to speak.

        -- jon

--
jon roig
web developer
phone: 888.230.7557
email: [EMAIL PROTECTED]

Merlin wrote:

Hi there,

I am running a community site in php, where members can be contacted through a web form. Yesterday a guy contacted about 50 of those members with a spam text.

Now I am trying to find a way to identify spam text via php. This looks like a common task to me, so I hope that I have not to invent the wheel twice. Maybe someone knows a good script to do this?

Basicly it looks like that the text has to be checked against certain key words and if they reach a certain amount of hits it is spam text.
Has anybody a good idea on how to start on this?


Thank you for any hint,

Merlin


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