Monitoring the World of Email Marketing
eDataSource (formerly Email Data Source) is the leading independent, unbiased source of marketing data for digital messaging, including email data and social media data.

We collect, analyze, catalog, and archive thousands of digital marketing messages each day including email campaigns, tweets and Facebook status updates, providing clients with the actionable intelligence they need to increase the profitability of digital messaging, email and social media marketing programs.

Our more than 100 clients--small, medium, and billion dollar companies alike--represent every part of the interactive marketing industry, from advertising agencies and Fortune 500 companies, to email service providers and affiliate managers.

Headquartered in New York City, eDataSource has a database of millions of email, Twitter and Facebook marketing campaigns dating back to 2003.