Contact the sender and ask to be removed from their mailing list
Use the return address to request opt-out from future mailings
Register with the Direct Marketing Association’s mail preference service, if available in your country
Opt out of prescreened credit and insurance offers
Remove your name from catalog and marketing lists
Shred or securely dispose of mail with personal information
Use a mailbox with a lock or a secure delivery option
Put up a “No Junk Mail” or “No Advertising Material” sign if allowed locally
Ask your local postal service about mail suppression options
Reduce sharing your address with retailers, charities, and online forms
Unsubscribe from paper statements and switch to electronic billing
Contact companies you already do business with and request marketing opt-outs
Report persistent unwanted mail to your postal authority or consumer protection agency