A few days ago, a Delawarean received “what seemed like very legit promotional call from (supposedly) XFINITY offering me $35 off my monthly internet/cable/phone bill for the next 2 years,” Patricia Seramone wrote on nextdoor. “They had my account number, and other pertinent information.” What they didn’t have is her faith. Seramone correctly realized, before she forked over payment information, …