Reoon provides one of the most accurate email validation services that clean invalid, temporary & unsafe email addresses. Reoon can verify the most difficult email domains, including Gmail, Yahoo, Microsoft, AOL and custom business domains with 99% accuracy. Real-time API validation can validate email addresses within 0.5 seconds. Reoon has a WordPress plugin that can be used to verify email addresses live during the form submission on users' websites in just a few clicks.