A mailbox reads "Town of Moscow" outside the town hall near where work continues on the New England Clean Energy Connect project (also known as the Clean Energy Corridor), which would bring hydroelectric power to the New England power grid, in Moscow, Maine, U.S., October 7, 2021. REUTERS/Brian Snyder

A woman throws an envelope with her absentee ballot for the upcoming federal Bundestag election into a mailbox in Berlin, Germany, September 22, 2021. REUTERS/Hannibal Hanschke

A woman throws an envelope with her absentee ballot for the upcoming federal Bundestag election into a mailbox in Berlin, Germany, September 22, 2021. REUTERS/Hannibal Hanschke

A German who lives in Switzerland throws his ballot letter for the upcoming general elections in Germany into a mailbox of Swiss Post in Zurich, Switzerland September 10, 2021. REUTERS/Arnd Wiegmann

Three mailboxes in a stone wall line the entrance to the home where prominent physician Dr. Robert Lesslie, his wife, two grandchildren and another man were shot and killed by former NFL player Phillip Adams in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

A mailbox stands in the flooded river Rhine with a sign reading "temporarily closed" as Europe's most frequented waterway lefts its banks due to heavy rainfalls over the past few days in Koenigswinter near Bonn, Germany, February 3, 2021. REUTERS/Wolfgang Rattay

A North Pole mailbox is hung up at Tucker Tree Farm in Salem, Oregon, U.S. November 29, 2020. REUTERS/Alisha Jucevic

A mailbox for letters to Santa Claus is pictured at a Christmas Tree Farm, amidst the outbreak of the coronavirus disease (COVID-19), in Keele, Staffordshire, Britain November 24, 2020. REUTERS/Carl Recine

Activists dressed as mailboxes dance on a street, after the 2020 U.S. presidential election, in Philadelphia, Pennsylvania, U.S., November 6, 2020. REUTERS/Mark Makela?

Activists dressed as the White House, Philadelphia City Hall and the United States Postal Service (USPS) mailboxes stand on a street two days after the 2020 U.S. presidential election in Philadelphia, Pennsylvania, U.S. November 5, 2020. REUTERS/Eduardo Munoz TPX IMAGES OF THE DAY

Activists dressed as the Philadelphia City Hall and the United States Postal Service (USPS) mailbox join others holding a banner and protest signs as votes are being counted, two days after the 2020 U.S. presidential election in Philadelphia, Pennsylvania, U.S. November 5, 2020. REUTERS/Eduardo Munoz

Police officer in tactical gear stands near a U.S. Post Office mailbox and looks on as Democratic U.S. vice presidential nominee Senator Kamala Harris stops to speak to shoppers outside a grocery store while campaigning on the day before Election Day in Philadelphia, Pennsylvania, U.S. November 2, 2020. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

A mailbox as seen in Santa Fe, New Mexico, U.S. January 12, 2020. Picture taken January 12, 2020. REUTERS/Veronica G. Cardenas

A mailbox is seen on a property that once contained a home, two years after wildfire destroyed the town of Paradise, California, U.S., September 24, 2020. Picture taken September 24, 2020. REUTERS/Saif Tawfeeq

Charred mailboxes are seen after the Bear Fire burned through Berry Creek, California, U.S.September 9, 2020. REUTERS/Fred Greaves

A political campaign sign reading "Any Functioning Adult 2020" hangs behind U.S. mailboxes outside a house in Gloucester, Massachusetts, U.S., September 6, 2020. REUTERS/Brian Snyder

A United States Postal Service (USPS) mailbox is seen in downtown Washington D.C., U.S. August 19, 2020. REUTERS/Carlos Barria

A man walks by a United States Postal Service (USPS) mailbox in downtown Washington D.C., U.S. August 19, 2020. REUTERS/Carlos Barria

The logo on a United States Postal Service (USPS) mailbox is pictured in Pasadena, California, U.S., August 17, 2020. REUTERS/Mario Anzuoni

A United States Postal Service (USPS) mailbox is pictured in Pasadena, California, U.S., August 17, 2020. REUTERS/Mario Anzuoni

A United States Postal Service (USPS) mailbox is pictured in Pasadena, California, U.S., August 17, 2020. REUTERS/Mario Anzuoni

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are seen stored outside a USPS post office facility in the Bronx borough of New York City, New York, U.S., August 17, 2020. REUTERS/Mike Segar

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder TPX IMAGES OF THE DAY

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder TPX IMAGES OF THE DAY

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

United States Postal Service (USPS) mailboxes are stacked in a storage lot of a sandblasting and painting company in Hartford, Wisconsin, U.S., August 16, 2020. People who live nearby said the pile had grown noticeably larger in recent weeks. REUTERS/Brian Snyder

A U.S. Postal Service (USPS) collection mailbox in Philadelphia, Pennsylvania, U.S. August 14, 2020. REUTERS/Rachel Wisniewski

An individual deposits letters into a U.S. Postal Service (USPS) collection mailbox in Philadelphia, Pennsylvania, U.S., August 14, 2020. REUTERS/Rachel Wisniewski

An individual deposits letters into a U.S. Postal Service (USPS) collection mailbox in Philadelphia, Pennsylvania, U.S., August 14, 2020. REUTERS/Rachel Wisniewski

An individual deposits letters into a U.S. Postal Service (USPS) collection mailbox in Philadelphia, Pennsylvania, U.S., August 14, 2020. REUTERS/Rachel Wisniewski

An individual deposits letters into a U.S. Postal Service (USPS) collection mailbox in Philadelphia, Pennsylvania, U.S., August 14, 2020. REUTERS/Rachel Wisniewski

A U.S. Postal Service (USPS) collection mailbox is pictured in Philadelphia, Pennsylvania, U.S., August 14, 2020. REUTERS/Rachel Wisniewski

An individual deposits letters into a U.S. Postal Service (USPS) collection mailbox in Philadelphia, Pennsylvania, U.S., August 14, 2020. REUTERS/Rachel Wisniewski

Scorched mailboxes stand inside of a burned post office that was destroyed during continued demonstrations against the death in Minneapolis police custody of George Floyd, in Minneapolis, Minnesota, U.S., May 31, 2020. REUTERS/Lucas Jackson

A view shows mailboxes inside of the apartment building where Rwanda genocide suspect Felicien Kabuga was arrested in Asnieres-sur-Seine near Paris, France May 16, 2020. REUTERS/Gonzalo Fuentes

A postman delivers the letters to a mailbox following the outbreak of the coronavirus disease (COVID-19) in Warsaw, Poland, April 29, 2020. Picture taken April 29, 2020. REUTERS/Kacper Pempel