Dear user of lists.bx.psu.edu, Mail server administrator of lists.bx.psu.edu would like to inform you that: Your account was used to send a large amount of junk e-mail messages during the recent week. Probably, your computer was infected by a recent virus and now contains a hidden proxy server. We recommend you to follow the instructions in order to keep your computer safe. Virtually yours, The lists.bx.psu.edu team.