We provide a High Quality / Real-Time Email address Verification API. We perform checks on both local username and domain name parts of the Email address syntax. Our system evaluate a score based on the username syntax risk, as well as some deep server verifications, such as: MX records existence, SMTP host, open ports, and the answers after a socket conversation between our server and the SMTP host. Our API will answer to your requests using the output format of your choice, with the...