I don't know if it would work for your system, but it is often very effective to add a hidden field for input. A real user would not use it as they can't see it, but a bot would see it an fill it. That would give you some indication of bots. Best of luck with the spam fighting.
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thetardisisjawnlocked Sun 04 Jan 2015 01:55PM UTC
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CeciliaWaters Mon 19 Jan 2015 07:53AM UTC
Last Edited Mon 19 Jan 2015 07:54AM UTC
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