Former Secretary of State Colin Powell reportedly had some harsh words for Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE, calling the Republican presidential nominee a "national disgrace" and an "international pariah," according to personal emails seen by Buzzfeed News.

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In an email sent June 17 to Emily Miller, a journalist and former aide to Powell, the retired four-star general also said Trump "is in the process of destroying himself."

"No need for Dems to attack him," the email said, according to Buzzfeed.

"Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE is calibrating his position again," he said of the Speaker of the House.

Powell also slammed the Republican nominee for promoting the birther movement, which claims President Obama is not a U.S. citizen.

“Yup, the whole birther movement was racist,” Powell wrote in an email from Aug. 21, 2016.

“That’s what the 99% believe. When Trump couldn’t keep that up he said he also wanted to see if the certificate noted that he was a Muslim,” the email said.

“As I have said before, ‘What if he was?’ Muslims are born as Americans everyday,” Powell wrote to his former aide.

In another email from July 21, 2015, Powell said Trump had "no sense of shame," in response to an article about Trump giving out the cellphone number of Sen. Lindsey Graham Lindsey Olin GrahamGraham: GOP will confirm Trump's Supreme Court nominee before the election Fox's Napolitano: Supreme Court confirmation hearings will be 'World War III of political battles' Grassley, Ernst pledge to 'evaluate' Trump's Supreme Court nominee MORE (R-S.C.) during the Republican presidential primary. Powell also called it a "celebrification of society."

Powell told Buzzfeed News he had "no further comment" but is "not denying it."