Jul 26, 2018 USPS guarantees Priority Mail Express delivery. You can request a postage refund if your Priority Mail Express package is not delivered by the.... Front-door delivery is not guaranteed, tracking is not offered, and there is no included insurance on these packages. Dc power outage twitterAt PostalAnnex, you'll.... If your mailbox remains empty or the status of your package says 'delivered,' but there are no deliveries in sight, it's time to alarm the courier. 1 Jan 2021 . Learn...