US Patent 10897448 Methods for paid placement of promotional e-mail messages

A method includes accessing, by a server computer, a plurality of electronic mail messages. The method also includes identifying, by the server computer, at least one of the electronic mail messages as a promoted electronic mail message. The method further includes outputting, for display at a client computing device, an electronic mail interface wherein the promoted electronic mail message is represented in a first position of a display order and a remainder of the electronic mail messages are represented subsequent to the promoted electronic mail message in the display order.