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Hello,

I am having some ongoing problems with spam through my chronoforms. The common theme I am seeing with all of these spam emails is that they are all Russian IP addresses, they all contain lots of links to other websites, I think some of them contain html code in them, and some weird email address variations.

I have tried several methods to help prevent spam:

IP Ban - They keep using different proxies so this is useless
Honeypot - They seem to circumvent this
Built in captcha - Somehow they bypass this, how is this possible
Security questions - They still spam even after I made my own custom math security questions
Putting restriction on phone number length - I don't know how they get around this? They still put more than the number allowed.

Please advise. I have joomla 3.6.5 and latest version of ChronoForms5.

If there is a way to validate if any links are being entered into the form and prevent that from being submitted, that would help too.