On Thu, Nov 17, 2005 at 11:12:24AM -0500, Robert Treat wrote:
> I heard an interesting twist on this... rather than doing image
> verification, you instead reject submissions that come from page that
> don't contain a postgresql.org refferrer on the submission page. The
> idea being the spam bots post directly to the submission page, but users
> navigate thier way into the page. simple (and transparent to the user)
> but apparently very effective for some folks that have implemented it.
It's also very broken for people who don't send Referer headers,
or who come from another legitimate site that links directly there.
--
Michael Fuhr