On Jun 13, 2010, at 05:16 PM, Cristóbal Palmer wrote: >If there's some other non-CAPTCHA approach (or set of approaches) that >we could use to help reduce spammy signups, then I'm all for it. I >guess my hope is that we'd have something in place that reduces the >signups themselves rather than imposing work or workflow changes on >moderators or list members after they've joined. If that's necessary, >fine, but let's try things that happen at the signup step, too, yes? > >Even something as simple as requiring a hidden form field NONCE and >conservative rate limits on public signups, neither of which require >javascript or images....
Given that all signups require an email validation step, and that we'll rate-limit that to prevent using signups as a spam vector, what additional protection does captcha provide? -Barry
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