Udimi is a Top 1 marketplace to buy or sell email solo ads in the world. To guarantee the best traffic quality to buyers and fast payments to sellers, we stand between parties and control every step of the process.
Udimi is a registered trademark of Udimicom, Limited. Ifigeneias 14, 3036, Limassol, Cyprus
They look like they would be good to help get opt-ins but the page doesn't say what the rights are.