Need Captcha on event submission

Finally web page spammers have got around to spamming NationBuilder calendars. I have just had to delete a dozen events of TV programme times in the Philipines from www.segreens.com.

Very soon we will be attacked by content spam scripts. Apart from closing down all user event creation what can we do? Perhaps a Captcha to complete when adding an event? Or minimum time limits between adding events?

Official response from considering

This isn’t something that we have planned at the moment - however we are paying close attention to the most popular suggestions so please share and encourage others to follow and comment! 

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