Kickbox is an email verification platform that can help identify deliverable, invalid, or otherwise risky email addresses. Using Kickbox you can ensure you only ever send emails to real addresses - reduce bounce rates and improve inbox placement.

Mailjet is an email marketing platform founded in 2010. Mailjet is a cloud-based email delivery and tracking system which allows users to send marketing emails and transactional emails.

RocketReach is the most trusted and accurate sales and lead intelligence platform. With access to real-time verified data for over 700 million professionals across 35 million companies worldwide, you can get a first-degree connection to any professional.