Enable CAPTCHA for an Anonymous Portal

Issue 

You need to turn CAPTCHA on for an anonymous form in the Dynamics Portal. 

Background 

You are receiving a LOT of SPAM because your Portal form is open to everyone, and someone is continually hitting it with a bot and creating a LOT of cases. 

Solution 

Turn CAPTCHA on to alleviate the bot traffic. 

If you are using an Entity Form 

Go to Portals | Entity Forms and pick the form that you want to modify.  Under the Form Options section, click on “Turn On Captcha”: 

If you are using a Web Form 

Go to Portals | Web Forms and click the form you want to modify.  Then, under Steps, pick the web form related to the first step. 

On that Web Form Step page, under Form Options, click on “Add Captcha”: