hed walk up the creaking front porch steps , place the packages by the door , then knock loudly and wait for the sounds of stirring behind the windows and doors , but instead was usually met with silence , and hed walk back to his truck or walk back up the street , the last part of his mail delivery duty completed until he got back to the pittston post office where hed drop off the outgoing mail , the certified and registered mail receipts , and the mail trays , then head back to his car and drive home .