Mailin’ It! - The Official USPS Podcast

What actually happens after you drop a letter in a blue collection box or click “ship” on a package? And why does tracking sometimes look confusing even when everything is moving as it should? In this episode of Mailin’ It!, hosts Karla Kirby and Jeff Marino dive into the questions Postal Service customers ask most often and break down what is happening behind the scenes of the nation’s mail network. From package tracking and shipping costs to mail forwarding, delivery safety, scam prevention, and the rollout of new USPS delivery vehicles, we explore how the Postal Service handles the everyday situations customers encounter most and also learn about the online tools and customer support resources available to help make mailing and shipping easier.

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In the midst of World War II, a massive mail backlog threatened to cut off news and hope for millions of American soldiers. With morale at a low point, the mission fell to the 6888th Central Postal Directory Battalion, the only all-Black, all-female unit deployed overseas. In this episode, our hosts are joined by retired U.S. Army Colonel Edna Cummings, who has championed the fight to bring their incredible story out of the shadows. Discover how these unsung heroes achieved the seemingly impossible—clearing a two-year backlog of 17 million letters. This is a powerful story of resilience, leadership, and long-overdue recognition you won’t want to miss. 

 

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What tech goes into powering a modern delivery network? Go beyond the iconic mail truck and into the world of technology-driven logistics and robotics at the postal service. Join the Mailin’ It! team as USPS’s VP of Applied Engineering Lina Malone pulls back the curtain on the organization’s massive tech innovations – from colossal, automated sorting hubs to a digital backbone that can predict failures before they happen and pinpoint delivery window times.  USPS is building the speed and intelligence needed for mail and package delivery in the 21st century.

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In the capital of the Confederacy, wealthy socialite Elizabeth Van Lew had a secret. She was one of the Union’s most effective spymasters. From her family’s antebellum mansion in Richmond, Van Lew built a sophisticated intelligence network sharing vital information with Union generals, including Ulysses S. Grant. After the war, she was rewarded with a presidential appointment as the first female postmaster of a major Southern city. In this role, she modernized the Richmond Post Office by introducing free city-wide mail delivery, installing collection boxes, and championing diversity by hiring women, African Americans, the city’s first Black letter carrier. Be sure to listen in as this episode uncovers the risks she took, the spy skills she used, and the legacy she left on both the Postal Service and American history. 

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What if you could hold a piece of the American story in the palm of your hand? In 2026, you can. This episode of Mailin’ It! takes you inside one of the most exciting stamp lineups in a generation—a collection that celebrates the vibrant, diverse, and ever-changing story of American life as the U.S. marks its 250th anniversary. From the Revolutionary heroes who founded the nation to the cultural icons like Muhammad Ali who redefined it, the 2026 stamp collection is a tribute to the American experience. Tune in to discover the history and artistry behind these powerful symbols and see how America’s story can be told, one stamp at a time.

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