Verizon Media launched a program with Rakuten to offer cashback rewards for Yahoo customers using Yahoo Shopping and Yahoo Mail. 

Yahoo users since Nov. 27 have been able to earn cashback rewards on purchases from more than 50 online retailers. Yahoo Mail users will get cashback offers through featured merchants and will also see promotions in their in boxes. Special offers will be included in Yahoo Mail's new mobile app. 

"At Verizon Media we're closing the loop between content and commerce and providing engaging journeys to our users to help them discover the things they love," Guru Gowrappan, CEO of Verizon Media, said in a company release. 

"Joining forces with Yahoo expands our reach to deliver cashback rewards to new audiences," Amit Patel, CEO of Rakuten Americas and Rakuten Rewards, said in the release. 

Yahoo is a unit of Verizon, while Rakuten is an e-commerce company that offers cashback rewards and other deals through more than 3,500 merchants.