(Atlantic Wire) Delivery specialist FedEx has been accused of “systematically” overcharging its business and government clients for nearly a decade, and an internal company message may be the smoking gun to prove it. The email from a FedEx sales executive was unsealed this week as part of a lawsuit against the company claiming that they overcharged for millions of packages over “many years.” According to Bloomberg, the email seems to make the whole case pretty cut and dried.