Source tab screen reference

Field	Description
Production List	Select the flowchart cells that provide recipients and related data for production mailings.
Test List	Select the flowchart cells that provide recipients and related data for test mailings.
Seed List	Select the single cell that provides seed addresses.
Distribute IDs evenly	Select to insert seed addresses at equal intervals throughout the entire production recipient list.
Insert entire list for every N IDs in main list	Select to insert the entire list of available seed addresses at specified intervals throughout the production recipient list. Interval: enter a value to specify the number of recipient addresses between insertion points. The default interval is 10,000 recipients.