President Donald Trump is obsessed with mail-in ballots and how to "block" Americans casting their vote by post, reported The Washington Post on Saturday.
Trump has claimed that the US Postal Service shouldn't receive more money so people cannot cast their ballots by post.
The president has claimed that mail-in voting enables widespread fraud, a claim denied by election officials.
Democrats, including former presidents Barack Obama and Bill Clinton, are accusing the president of seeking to suppress votes with his attacks on mail-in voting.
President Donald Trump is fixated on mail-in ballots and spends considerable time trying to figure out how to "block" such voting, a senior administration source told The Washington Post.
Traditionally, mail-in voting is seen to benefit the Democratic Party more than Republicans, but some recent studies have questioned that assumption.
Trump has attacked Bezos over the coverage of his administration by The Washington Post, which Bezos owns. »