The U.S. Postal Service is poised to launch a hastily built, error-riddled computer system that could jeopardize the process of mail voting relied upon by one-third of all voters, according to a whistleblower statement released Tuesday by Democratic Sen. Richard Blumenthal.
The effort is part of the implementation of President Donald Trump's executive order limiting mail voting and has been temporarily halted by a federal judge. The ruling is being
appealed by the administration and the directive may ultimately end up back before the U.S. Supreme Court.
The disclosure from the unidentified whistleblower contends that the Postal Service has been scrambling to try to build a complex system that would normally take a year or more in only three months, sometimes in defiance of the judge's orders halting work. The goal is to have it ready for use in the midterm elections.
The disclosure contends that, due to the new procedures, a single scanning error in a batch of tens of thousands of ballot envelopes could prevent any from reaching voters. It details a system that election officials have already warned could not be implemented before the first mail ballots begin going out Friday in North Carolina.
“The Postal Service has designed a system to disenfranchise millions of Americans,” Blumenthal told reporters in advance of releasing the whistleblower information. “This administration seems hell-bent on changing the framework on casting ballots in this country clearly for political reasons.”
Trump’s executive order, signed in March, directed U.S. Citizenship and Immigration Services and the commissioner of the Social Security Administration to develop state citizenship lists and then required the Postal Service to send mail ballots only to voters who are on such a list. Ballot envelopes would have to comply with new Postal Service rules and include bar codes.
The online portal that is the subject of the whistleblower complaint is intended for states to deliver their lists of verified voters to the Postal Service.
The Postal Service did not comment on Monday night. The White House has called the mail voting provisions “commonsense measures” necessary to combat fraud.
Trump has long opposed voting by mail, even though he has repeatedly used the method to cast his own ballot. He falsely blamed mail voting for his 2020 election loss and has spent years spreading conspiracy theories about it. A report by the Brookings Institution published in 2025 found that mail voting fraud occurred in only about four cases out of every 10 million mail ballots cast.
Since returning to office, Trump has said Republicans should be “taking over” vote counting in Democratic areas and launched a sweeping attempt to reinvestigate the 2020 election, despite a mountain of evidence that he lost fairly to Democrat Joe Biden.
Until Trump came out against mail voting in 2020, the system was used equally by both parties. Since then, it has become more common among Democratic voters. More than 29% of all voters in 2024 cast their ballots through the mail.
After Trump issued his executive order, Democrats and civil rights groups sued and eventually won a ruling from U.S. District Court Judge Indira Talwani in Boston barring implementation of the system before the November midterms. But without ruling on the legality of Trump's order, the Supreme Court's conservative majority last week found that was premature and overruled Talwani, momentarily clearing the way for its implementation.
On the night of Aug. 21, the Postal Service released a final rule outlining how it would implement the order.
It said it would only send mail ballots for states that got approval for the design of their envelopes and submitted a list of voters receiving them through the still-not-active online portal. That rule gave plaintiffs a chance to sue again, and Talwani on Thursday night issued a 14-day restraining order against implementation of the measure.
The letter from Blumenthal and an accompanying summary of the whistleblower's statements says the Postal Service began work on the portal on June 15 and stopped on June 25 after Talwani's initial order. Then on July 29, the Postal Service restarted the work. That was when the administration appealed the judge's order to the Supreme Court. The high court did not strike Talwani's injunction down until Aug. 24.
Talwani last week found the Postal Service violated her order by continuing to work on the final rule, but she imposed no sanctions on the government. On Monday, she issued a ruling refusing to lift the restraining order that also said the Postal Service could continue work on its portal, as long as it wasn't forcing states to use it.
In its summary of the whistleblower's statement, the group Whistleblower Aid says the hurried construction of the portal, with a goal of being active on Tuesday, meant it did not undergo full testing.
“The apparently sloppy and rushed manner in which the Federal Ballot Mail Portal and supporting IT systems are being built poses significant risk,” the group wrote. “Potentially millions of American voters may not receive their mail-in ballot this election cycle in a timely manner, or at all.”
The statement also says the Postal Service is implementing a “zero percent” rule in which any errors in any mail ballots sent out by an election office could lead to all of them being discarded — even if it's simply one problem amid tens of thousands of legitimate ballots.
The rule requires ballots to be handled in a physical post office by an election official. Those will then be scanned to ensure they match the voter database. During three layers of checks, a single apparent error could cause the whole batch to be rejected, the statement says.
Blumenthal said he has “a very strong hope and some faith that our system of justice will strike down this unconstitutional and unconscionable rule.” But, he added, if it somehow goes into effect for the midterms, he would not advise voting by mail.
