Simply provide an email address and this Web service will return a true or false by contacting the email owners’ SMTP servers to validate an address without sending an email.
With MailValidate you can instantly check whether an email address is valid and able to accept messages. Use this to instantly validate addresses on web forms or to process your existing customer lists to maintain the quality of your data.
Validate and check if certain e-mail exists. The service can return differente responses for different situations (server is offline, e-mail rejected, e-mail is valid etc...)