May not be placed in a post office maildrop or in a street letterbox. Use Form 3816. Provides the date and time of delivery or, attempted delivery. Delivery Confirmation may be purchased at the time of mailing only. No record is kept at the office of mailing.
Bulk insurance is available for authorized mailers.
Insured mail may not be placed in a post office maildrop or in a street letterbox. A record of mailing is maintained at the mailing post office. Insurance is not available for items with no value. Use Form 3806 and Label 200. Directs delivery only to addressee or addressee's authorized agent.