Mail Certified mail gives the sender proof of mailing. It provides a mailing receipt and delivery is recorded by the U.S. Postal Service. No insurance coverage is provided with this service.
Certified mail is handled as ordinary first class mail.
A return receipt, providing the sender with proof of delivery can also be added for an additional fee. This service is only available with first class mail. International and express mail cannot be certified mail. Insured Mail Insurance coverage is available for first class, priority, library, and standard mail. It provides indemnity coverage for lost, rifled, or damaged articles.