[header] How to stop mail for previous residents [title] Write " return to sender " on the exterior of the envelope. [step] Then place the mail in an outgoing mailbox. This notifies the post office and the original sender that the recipient no longer lives at that address. 
Hopefully, the original sender will update the records, and you will stop receiving the mail. [substeps] You can also write " no longer at this address " or " moved " on the exterior of the previous resident's mail.