Details.
Participants receive a discount for sending follow-up mailings that repeatedly deliver qualifying USPS Marketing Mail letters and flats to the same address. Follow-up mailings must complement or build upon, but not duplicate, the initial mailing. There is no discount on the initial mailing, and all consecutive mailings receive 5%. The promotion runs April 1, 2026 through December 31, 2026. Eligible mail includes Marketing Mail letters and flats and Nonprofit Marketing Mail letters and flats.