How do I stop spam coming from my Gravity Forms?
The first method:

The second method:
If the "Anti-spam Honeypot" doesn't have an effect on bot traffic completing your form we can help you enable reCaptcha. This is the Javascript tool that scans a browser and may force people to complete a visual or audio challenge in order to submit. This will require a service to be added and for you to manage an account. Use the "Contact Support" feature here on Uservoice to start a help request.