ENGLEWOOD, Colo.--(BUSINESS WIRE)--Speedpay, Inc., a Western Union® company, announced its renewed relationship with Flagship Credit Acceptance, a leading auto-finance provider with a nationwide network of more than 9,400 dealers. As part of its five-year deal, which positions Speedpay as Flagship's electronic billing presentment and exclusive payments provider, Flagship will be Speedpay's first auto finance client to offer the moBills® solution through Walletron. "Our commitment to Speedpay is