It is reported by NBC.
"Democrats and opposition media are doing everything they can to discredit Donald with false accusations, spreading fake news and creating the appearance that he has no support from American voters," the letter says.
The first lady also called on Americans to support Trump and "help prove that Democrats and the media are wrong."
“This is a battle that we must win together,” she concluded.
Earlier it was reported that Trump and the first lady of the United States voted early in the midterm congressional elections.
In October, Melanya Trump declared that the public was extremely unfair to her, and called herself the most hunted man in the world.