Edit: it let me make a form with "Account number" and "Password" complete with emailing me what people put in it which is suggestive of no preventative measures at all.
See this comment by the founder of Jotform: http://news.ycombinator.com/item?id=3597821 (Relevant quote: "Our Bayesian phishing filter has suspended 65.000 accounts last year.")
See this comment by the founder of Jotform: http://news.ycombinator.com/item?id=3597821 (Relevant quote: "Our Bayesian phishing filter has suspended 65.000 accounts last year.")