Most voters believe Hillary Clinton is lying about the emails she sent and received while she was secretary of state, according to a national Fox News poll. But her support among the general electorate still puts her a cut above Donald Trump, the Republican party's presumptive nominee.

The Fox News survey, published Friday, found that 60 percent of voters think Clinton isn't telling the truth about her emails, compared to 27 percent that believe she is. Thirteen percent say they don't know.

On whether the former secretary of state put national security at risk by mishandling classified emails, a majority -- 57 percent -- believe she did. Thirty-two percent believe she did not, while 11 percent don't know.

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Still, voters would choose Clinton over Trump, 42 to 39 percent -- just within the poll's 3 percent margin of error -- in a general election face-off between the two candidates. Six percent said they were undecided, while another six percent said they wouldn't vote.

Clinton also beats Trump slightly when it comes to favorable ratings, with 42 percent giving her a strong or somewhat favorable rating. Trump has a 40 percent favorable rating. The two candidates' unfavorable ratings have a similar margin, with 56 percent of voters having a strong or somewhat unfavorable view of Clinton, and 58 percent having a strong or somewhat unfavorable opinion of Trump.

The Fox News poll surveyed 1,004 registered voters nationwide and was conducted by the firms Anderson Robbins Research and Shaw & Company Research from June 5-8, 2016. The poll has a margin of error of three percentage points.