Spam filter using ReCaptcha.
If you get unnecessary emails then you can enable google ReCaptcha for the form.
For that, You have to create a Google ReCaptcha API and add it under settings.
To render google ReCaptcha in APP Admin please add another domain “ecf.cirkleinc.com” on with the same API key.
For, add ReCaptcha follow below step
Step1: go to setting