You can also install plugins that can detect fake email addresses new email addresses and email addresses that have been used for malicious or manipulative behavior. Use Time Analysis You can help distinguish spam form submissions from legitimate form submissions by implementing time analysis to track the amount of time it takes to fill out and Phone Number List submit the form. In general it should take humans longer to fill out a form than a spambot that will fill every form field instantly. The time tracking should start when a user has clicked on the form and end when the form is sent.
The one problem with this is that the autocomplete option allows legitimate users to fill out forms almost instantaneously which can make it difficult to tell this from the submission of a spambot. To use this protection method effectively you need to do some research to find the average time it takes a human to fill out and submit a form. You can also add a question or reCAPTCHA which will cause humans to take a couple extra seconds to complete.