eDataSource is the leading global provider of email deliverability solutions and performance insights. Over 15 years ago, eDataSource pioneered the use of panel-based email performance measurement using real consumer inboxes. This approach continues to be the gold-standard in email analysis, far outpacing seed-based methods in accuracy, scale, and richness of data. With an organically-grown panel of 3 million real consumer inboxes, tracking over 60 million emails daily across 170,000 brands, eDataSource provides tools and services for the industry’s top brand marketers, agencies, and service providers.