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Jonathan Rochkind <[log in to unmask]> wrote: > The Recaptcha device specifically also provides an audio test. But point > taken, even so it could prevent accessibility challenges. See the w3c for how poorly audio tests perform: even people who can hear properly (which I can't) fail them frequently! > Nevertheless, when my system is currently receiving around one software > powered spam per minute, I need a quick pre-built drop-in solution to > this; I don't have time to write my own AI! If you have any other free > or affordable pre-built drop-in solutions to spam protection to suggest, > this would be a great forum to do so! I don't think you've given enough background until now, but if you want quick drop-in solutions for web comment forms, I'd probably look into:- 1. posting a notice next to the comment form stating it will *not* be published automatically and linking to your policy. Seriously - this will stop some bad people putting you on their "spam this form" lists, else they think you're virgin snow ready for weeing on; But that won't help with the spam bots already attacking, so:- 2. the Akismet and TypePadAntiSpam comment form systems (similar APIs IIRC, so both should work with Net::Akismet) which aren't great (contacting an unauditable spam classification server) but should be fairly fast to get working; and/or 3. including a hidden field with a limited-lifetime verifiable token in it, which will at least limit how long they can spam you with one form; and/or 4. simply trapping certain expressions and telling commenters not to send them (I often ban <a href and [url= with good effect on forms where there's no need to enter html or bbcode). Hope that helps, -- MJ Ray (slef) Webmaster for hire, statistician and online shop builder for a small worker cooperative http://www.ttllp.co.uk/ http://mjr.towers.org.uk/ (Notice http://mjr.towers.org.uk/email.html) tel:+44-844-4437-237