To prevent Spam, it is best to set up Captcha protection.
To set up Captcha on the back-end, go to emailmeform.com > log in to your account > mouse over the form you want to apply Captcha to and click the "Edit" icon > click "Form Settings" > scroll down to "Anti Spam" > select your preferred Captcha setting:
Remember to click "Save Form" upon completion.
This is an example of the form on the front-end with reCAPTCHA V2 "I'm not a robot" applied:
