You may also want to think about using our validator[1] to check the validity of the email addresses before sending. [1] https://github.com/mailgun/flanker htt

You may also want to think about using our validator[1] to check the validity of the email addresses before sending. [1] https://github.com/mailgun/flanker https://github.com/mailgun/flanker or http://documentation.mailgun.com/api-email-validation.html http://documentation.mailgun.com/api-email-validation.html