Weight is limited to 70 pounds. Under certain provisions and by special arrangement, items in some of the foregoing categories can be mailed. The mailing of fraudulent or illegal matter, i.e., chain letters is prohibited. Special Services Insurance Insured mail provides indemnity coverage for an article which is lost, rifled, or damaged. Return receipt and restricted delivery services are available upon payment of the prescribed fees.
Insured mail is dispatched and handled in transit as ordinary mail.
Registered The registered mail system is designed to provide added protection for valuable and important mail. Registered mail is the most secure service the Postal Service offers. It incorporates a system of receipts to monitor the mail's movement from the point of acceptance to delivery. These items can be mailed only first class or priority mail. Certified Certified mail service provides the sender with a mailing receipt and a record of delivery at the office of address.