I’m setting up an e-mail form and I need to be able to check for bots and filter them quietly. The site runs ASP.NET MVC. I’d like to avoid CAPTCHA. Any ideas?
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I’m setting up an e-mail form and I need to be able to check for bots and filter them quietly. The site runs ASP.NET MVC. I’d like to avoid CAPTCHA. Any ideas?
IIRF can do blacklisting based on user-agent or IP address (or other things).
Works with ASP.NET, PHP, anything. Runs on IIS5, 6, 7. Fast, easy, free.
You can browse the doc here.