Protect major form fields with captcha & avoid spamming.
Captcha
There's a built in captcha system & all you need to do is activate it in your admin settings for it to work. To activate it do navigate to Admin / Settings / Captcha & enable captcha then set the captcha type to default.
Navigate to Admin / Settings / Captcha & enable captcha then set the captcha type to Google Recaptcha. once done update the recaptcha fields with the copied Site and Secret Keys.