CNN's Anderson Cooper on Wednesday night mocked President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE's claim that he received letters of praise from news anchors after his meeting with lawmakers on immigration.

Cooper asked which news anchors sent the president letters of congratulations and clarified that he did not send one.

Trump on Wednesday said he got "great reviews" for the meeting earlier this week with a bipartisan group of lawmakers on immigration.

He said he received letters from news anchors saying it was “one of the greatest meetings they’ve ever witnessed.”

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Cooper on his program late Wednesday gave "major kudos" to the United States Postal Service for "delivering those letters so fast."

"So fast, it's almost like it wouldn't even be humanly possible," Cooper said.

"Quick question though: Who are these anchors who wrote letters congratulating the president on one of the greatest meetings they've ever witnessed, which is a highly believable, totally normal thing that would absolutely happen?"

Cooper joked that letter writing is one of the first things taught in "anchor school."

He said he did not send the president a letter of congratulations on his meeting.

"Everyone knows when I want to do something totally normal, I send the president one of those big cookies with 'congratulations on the meeting' in icing or one of those edible arrangements," he said.

Cooper added that when CNN asked the White House to back up its claim that Trump received letters of praise for the meeting from anchors, the White House gave the network a list of "two CNN videos and 19 tweets."

"To be fair, this list does have words on it and those words are actually made up of letters," the CNN anchor added, "but that's not generally accepted in reality to mean the same thing as 'letters of congratulation that anchors sent to the president.'"