On 25/02/2008, nicholas.g.lawrence@xxxxxxxxxxxxxxxxxxxx <nicholas.g.lawrence@xxxxxxxxxxxxxxxxxxxx> wrote: > The basic problem with CAPTCHA, registration, etc, is that it > erects a barrier to access. Some users would give up at that > point and not contribute. Yeah. The problem is how to make something that isn't a barrier to normal users. Moderating account registrations and moderating users' first posts should catch a lot of it. > Is there potential for wine forums to co-operate with other > forums (eg linux, firefox, openoffice) so that passing one > CAPTCHA/registration grants access to a whole group of > forums at once? > This would increase the incentive for passing the CAPTCHA > or registration, and people would be more keen to go > to the extra effort. This is where Akismet is useful - it uses both Bayesian filtering (for spammy keywords) and a distributed trouble-source database across thousands of WordPress installations. In my experience on my blog it gets a few false negatives and almost no false positives. You'll need to watch it, but it's worth a try! - d.