Return Path Certification is the industry’s most unique and powerful whitelist, providing benefits at major mailbox providers to ensure your emails get delivered to the inbox. More messages in the inbox means more opportunities for your customers to see your message, and ultimately drive increased ROI from the email channel.

Top mailbox providers like Microsoft, AOL, Yahoo, Gmail, Comcast, and Orange, utilize the list to influence their filtering decisions, which means these senders receive benefits across the mailboxes that matter most.