Depending on the package selected, ESPs can scan customers' email lists via the web app, API, or receive the Legacy Data file and a Monthly Data file .
LEGACY DATA - 420 million aged records that have been compiled over time. The legacy data is continually updated as new granularity classifications become available and released to on-premise customers on a quarterly basis.
MONTHLY DATA - 9-11 million unique records with classification codes that have been compiled in the previous 30 days.
Granularity classifications include: Purchased, Hardbounce, Complainer, Litigator, Spamtrap, and Hacked