Jared Kushner, President Donald Trump's senior adviser and son-in-law, set up a private email address last December and has been using it to discuss official government business with other administration officials, Politico reported on Sunday.
Among others, Kushner communicated with prominent current and former aides including previous chief of staff Reince Priebus, former chief strategist Steve Bannon, senior economic adviser Gary Cohn, and spokesman Josh Raffel. Sources told Politico that topics discussed primarily had to do with "media coverage, event planning and other business."
The revelations about Kushner's use of a private email account comes following a harsh presidential campaign during which Trump repeatedly lambasted Democratic nominee Hillary Clinton for using a private email server when she was Secretary of State.
Kushner's lawyer downplayed the significance of his client's actions, telling Politico, "Mr. Kushner uses his White House email address to conduct White House business."
"Fewer than 100 emails from January through August were either sent to or returned by Mr. Kushner to colleagues in the White House from his personal email account," he added. "These usually forwarded news articles or political commentary and most often occurred when someone initiated the exchange by sending an email to his personal rather than his White House address."
Where Jared Kushner has traveled since becoming Senior Advisor
Where Jared Kushner has traveled since becoming Senior Advisor
North Charleston & South Carolina
Ivanka Trump and Jared Kushner arrive on Air Force One to accompany U.S. President Donald Trump for his tour of the Boeing South Carolina facility in North Charleston, South Carolina, U.S. February 17, 2017. REUTERS/Kevin Lamarque
U.S. President Donald Trump's daughter Ivanka Trump (C) and her family, husband Jared Kushner (L) and children Joseph and Arabella Kushner, arrive aboard the Marine One helicopter with the president to board Air Force One for travel to Florida from Joint Base Andrews, Maryland, U.S. March 3, 2017. REUTERS/Jonathan Ernst
White House Senior Advisor Jared Kushner (C) attends a roundtable discussion held by U.S. President Donald Trump with auto industry leaders at the American Center for Mobility in Ypsilanti Township, Michigan, U.S. March 15, 2017. REUTERS/Jonathan Ernst
U.S. President Donald Trump's son-in-law and senior advisor Jared Kushner (L) speaks with Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, before departing for Iraq from Ramstein Air Base, Germany April 3, 2017. DoD/Navy Petty Officer 2nd Class Dominique A. Pineiro/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY.
Jared Kushner, senior advisor and son-in-law to U.S. President Donald Trump, meets with service members at a forward operating base near Qayyarah West in Iraq, April 4, 2017. DoD/Navy Petty Officer 2nd Class Dominique A. Pineiro/Handout via REUTERS
China's first lady Peng Liyuan talks with Trump Senior Advisor Jared Kushner as they attend a dinner at the start of a summit between U.S. President Donald Trump and Chinese President Xi Jinping at Trump's Mar-a-Lago estate in West Palm Beach, Florida, U.S. April 6, 2017. REUTERS/Carlos Barria
White House senior advisor Jared Kushner (C) arrives to join U.S. President Donald Trump and the rest of the U.S. delegation to meet with Saudi Arabia's King Salman bin Abdulaziz Al Saud at the Royal Court in Riyadh, Saudi Arabia May 20, 2017. REUTERS/Jonathan Ernst
White House senior advisor Jared Kushner leaves a note at the Western Wall in Jerusalem May 22, 2017. REUTERS/Jonathan Ernst
White House senior advisor Jared Kushner and his wife Ivanka Trump arrive to meet Pope Francis at the Vatican, May 24, 2017. REUTERS/Alessandro Bianchi
White House senior advisor Jared Kushner holds his son Theo as U.S. President Donald Trump with the first family arrives at Joint Base Andrews outside Washington, U.S., after a weekend at Trump National Golf Club in Bedminster, New Jersey, June 11, 2017. REUTERS/Yuri Gripas
Palestinian President Mahmoud Abbas meets with White House senior advisor Jared Kushner in the West Bank City of Ramallah June 21, 2017. Thaer Ghanaim/PPO/Handout via REUTERS
Ivanka Trump and her husband Jared Kushner, senior advisor of President Donald Trump, arrive aboard Air Force One at Warsaw military airport in Warsaw, Poland July 5, 2017. REUTERS/Laszlo Balogh
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Kushner's interactions through his private email account were not limited to other administration and government officials. Politico found that the senior adviser also communicated with "acquaintances" outside the government about White House business, citing recipients of those messages and some White House colleagues.
Though the practice of using a private email server for government matters raises ethical questions, it is not in itself illegal unless an individual knowingly discloses classified information to people unauthorized to view it.
"We don't prosecute people for inadvertently exposing classified info, which is why [former FBI director James] Comey's decision not to prosecute Clinton didn't surprise me," wrote former federal prosecutor Renato Mariotti.
Kushner, who spearheaded the Trump campaign's data operation, is currently the focus of several investigations into whether the campaign colluded with Russia to tip the 2016 election in Trump's favor. Among other things, special counsel Robert Mueller is scrutinizing Kushner's contacts with Russia's former ambassador to the US, Sergey Kislyak, and the Kremlin-connected head of Russia's Vnesheconombank, Sergey Gorkov.
Jared Kushner with Donald Trump through the years
Jared Kushner with Donald Trump through the years
NEW YORK CITY, NY - OCTOBER 14: (L-R) Donald Trump, Donald Trump Jr. and Jared Kushner attend Quest and Q Magazines Host Ivanka Trump Book Party at Trump Tower on October 14, 2009 in New York City. (Photo by Patrick McMullan/Patrick McMullan via Getty Images)
NEW YORK, NY - MARCH 09: Jared Kushner, Ivanka Trump and Donald Trump attend the COMEDY CENTRAL Roast of Donald Trump at the Hammerstein Ballroom on March 9, 2011 in New York City. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - MARCH 28: (L-R) Donald Trump, Ivanka Trump, Jared Kushner, Bonnie Brooks and Ivana Trump attend LORD & TAYLOR Launches IVANKA TRUMP's Spring 2012 Collection at Lord & Taylor on March 28, 2012 in New York City. (Photo by Patrick McMullan/Patrick McMullan via Getty Images)
NEW YORK, NY - MAY 9: Ivanka Trump, Donald Trump, Chiu-Ti Jansen, Jared Kushner attend YUE MAGAZINE Gala Launch Party Hosted by JARED KUSHNER & CHIU-TI JANSEN at the Atrium at Trump Towers on May 09, 2012 in New York City (Photo by- MIREYA ACIERTO/Patrick McMullan via Getty Images)
NEW YORK, NY - NOVEMBER 8: Donald Trump and Jared Kushner attend the The New York Observer- Masters of Real Estate at The Metropolitan Club on November 8, 2012 in New York City. (Photo by Mireya Acierto/Patrick McMullan via Getty Images)
NEW YORK, NY - MARCH 14: (L-R) Donald Trump, Mayor Michael Bloomberg and Jared Kushner attend The New York Observer 25th Anniversary at Four Seasons Restaurant on March 14, 2013 in New York City. (Photo by Paul Bruinooge/Patrick McMullan via Getty Images)
NEW YORK, NY - APRIL 1: (L-R) Jared Kushner, Donald Trump, Lara Spencer and David Haffenreffer attend The New York Observer's New Look Hosted by Jared Kushner and Joseph Meyer at Casa Lever on April 1, 2014 in New York City. (Photo by Patrick McMullan/Patrick McMullan via Getty Images)
NEW YORK, NY - JUNE 16: (L-R) Eric Trump, Lara Yunaska Trump, Donald Trump, Barron Trump, Melania Trump, Vanessa Haydon Trump, Kai Madison Trump, Donald Trump Jr., Donald John Trump III, Ivanka Trump, Jared Kushner, and Tiffany Trump pose for photos on stage after Donald Trump announced his candidacy for the U.S. presidency at Trump Tower on June 16, 2015 in New York City. Trump is the 12th Republican who has announced running for the White House. (Photo by Christopher Gregory/Getty Images)
Republican Presidential candidate Donald Trump at a campaign rally at Concord High School with his daughter Ivanka Trump, and son in law Jared Kushner in Concord, NH on January 18, 2016. (Photo by Rick Friedman/rickfriedman.com/Corbis via Getty Images)
NEW YORK, NY - JULY 16: (L to R) Newly selected vice presidential running mate Mike Pence, governor of Indiana, Republican presidential candidate Donald Trump, daughter Ivanka Trump, her husband Jared Kushner and Vanessa Trump stand on stage at the end of an event at the Hilton Midtown Hotel, July 16, 2016 in New York City. On Friday, Trump announced on Twitter that he chose Pence to be his running mate. (Photo by Drew Angerer/Getty Images)
American real estate developer and presidential candidate Donald Trump (center) greets family members on stage during the Republican National Convention at Quicken Loans Arena, Cleveland, Ohio, July 21, 2016. Pictured are, from left, daughter Ivanka Trump and her husband, Jared Kushner, Trump, his wife, Melania, and son, Barron. (Photo by David Hume Kennerly/Getty Images)
UNITED STATES - JULY 12: GOP nominee Donald Trump, points to the crowd after accepting the GOP nomination to be President at the 2016 Republican National Convention in Cleveland, Ohio on Thursday July 21, 2016. Behind Trump from left are daughter Ivanka Trump, her husband Jared Kushner, daughter in law Vanessa Trump, and son Donald Trump, Jr. (File Photo By Bill Clark/CQ Roll Call)
MANCHESTER, NH - NOVEMBER 07: Republican presidential nominee Donald Trump (C) is joined on stage by his family (L-R) Lara Yunaska, Eric Trump, Vannessa Trump, Donald Trump Jr., vice presidential candidate Mike Pence, Ivanka Trump, Jared Kushner and Tiffany Trump during a campaign rally at the SNHU Arena November 7, 2016 in Manchester, New Hampshire. With less than 24 hours until Election Day in the United States, Trump and his opponent, Democratic presidential nominee Hillary Clinton, are campaigning in key battleground states that each must win to take the White House. (Photo by Chip Somodevilla/Getty Images)
NEW YORK, NY - NOVEMBER 08: President-elect Donald Trump embraces son in law Jared Kushner (R), as his daughter Ivanka Trump, (L), stands nearby, after his acceptance speech at the New York Hilton Midtown in the early morning hours of November 9, 2016 in New York City. Donald Trump defeated Democratic presidential nominee Hillary Clinton to become the 45th president of the United States. (Photo by Mark Wilson/Getty Images)
INDIANAPOLIS, IN - DECEMBER 1: President-elect Donald Trump and Jared Kushner take a tour of Carrier Corporation in Indianapolis, IN on Thursday, Dec. 01, 2016. (Photo by Jabin Botsford/The Washington Post via Getty Images)
WASHINGTON, DC - JANUARY 20: President Donald Trump shakes hands with Senate Minority Leader Chuck Schumer, D-N.Y, as he is joined by the Congressional leadership and his family while he formally signs his cabinet nominations into law, in the President's Room of the Senate, at the Capitol in Washington, January 20, 2017. From left are Senate Majority Leader Mitch McConnell, R-Ky., Senate Minority Leader Chuck Schumer, D-N.Y, Sen. Roy Blunt, R-Mo., Vice President Mike Pence and his wife Karen Pence, Jared Kushner, Donald Trump Jr., and Ivanka Trump. (Photo by J. Scott Applewhite - Pool/Getty Images)
US President Donald Trump (L) congratulates his son-in-law and senior advisor Jared Kushner after the swearing-in of senior staff in the East Room of the White House on January 22, 2017 in Washington, DC. / AFP / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
WASHINGTON, DC - JANUARY 23: Director of the National Economic Council Gary Cohn (L) and Senior Advisor Jared Kushner (R) listen to U.S. President Donald Trump deliver opening remarks during a meeting with business leaders in the Roosevelt Room at the White House January 23, 2017 in Washington, DC. Business leaders included Elon Musk of SpaceX, Mark Sutton of International Paper, Andrew Liveris of Dow Chemical, Mario Longhi of US Steel, Marillyn Hewson of Lockheed Martin, Wendell Weeks of Corning, Alex Gorsky of Johnson & Johnson, Michael Dell of Dell Technologies and others. (Photo by Chip Somodevilla/Getty Images)
TOPSHOT - Senior Advisor Jared Kushner (L) and Secretary of Homeland Security John Kelly (R) listen while US President Donald Trump puts his papers away at the beginning of a meeting on cyber security in the Roosevelt Room of the White House January 31, 2017 in Washington, DC. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
WASHINGTON, DC - JANUARY 31: The name place card for White House Senior Advisor Jared Kushner, who is also the son-in-law of President Donald Trump, sits on the table before a meeting about cyber security in the Roosevelt Room at the White House January 31, 2017 in Washington, DC. Citing the hack of computers at the Democratic National Committee by Russia, Trump said that the private and public sectors must do more to prevent and protect against cyber attacks. (Photo by Chip Somodevilla/Getty Images)
WASHINGTON, DC - JANUARY 31: Jared Kushner, senior adviser to President Trump, listens to President Trump during a listening session with cyber security experts in the Roosevelt Room the White House in Washington, DC on Tuesday, Jan. 31, 2017. (Photo by Jabin Botsford/The Washington Post via Getty Images)
WASHINGTON, DC - FEBRUARY 3: President Donald Trump talks with IBM CEO Ginny Rometty, left, and adviser Jared Kushner before speaking to business leaders during a strategy and policy forum in the State Dining Room of the White House in Washington, DC on Friday, Feb. 03, 2017. (Photo by Jabin Botsford/The Washington Post via Getty Images)
US President Donald Trump arrives alongside Vice President Mike Pence (C) and White House Senior Advisor Jared Kushner (R) during a meeting with manufacturing CEOs in the State Dining Room at the White House in Washington, DC, February 23, 2017. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
WASHINGTON, DC - MARCH 15: U.S. President Donald Trump waves while walking to a waiting Marine One helicopter with son-in-law and senior advisor Jared Kushner while departing the White House on March 15, 2017 in Washington, DC. Trump is scheduled to travel to Michigan and Tennessee today. (Photo by Win McNamee/Getty Images)
US President Donald Trump (3rdL), White House senior advisor Jared Kushner (4thL), US Secretary of State Rex Tillerson (2ndL) and Italy's Prime Minister Paolo Gentiloni (hidden) take part in a bilateral meeting in Villa Taverna, the US ambassador's residence, in Rome on May 24, 2017.
After a private audience wit Pope Francis early in the morning Trump's family will fly to Brussels this afternoon for meetings with EU and NATO officials before returning to Italy for the G7 summit in Sicily on May 26-27. / AFP PHOTO / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
US President Donald Trump (R) and his son-in-law and senior adviser Jared Kushner (L) listen to Apple CEO Tim Cook (C) during an American Technology Council roundtable at the White House in Washington, DC, on June 19, 2017. / AFP PHOTO / NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)