eDataSource is the premier source of email deliverability technology and performance insights. Founded in 2003 as the industry's first email intelligence company, eDataSource pioneered the use of live consumer inboxes to analyze email success metrics. Our behavior-based approach continues to be the gold-standard in accuracy, scale, and richness of data.

eDataSource's multi-source monitoring solution allows us to track over 90% of all commercial emails sent globally. No other players in the email monitoring space offer anything like our combination of data-depth and breadth of ISP representation. This leading-edge technology empowers marketers with the deepest, most precise, and easily accessible information to improve critical success metrics of their email marketing programs. eDataSource provides tools and services for the world's leading brands, agencies, and service providers.