The lawmakers said in a letter that agency heads should immediately tell staffers to not respond to OPM’s “ill-conceived email stunt” asking them what they accomplished last week.

A threatening email sent by Elon Musk to millions of federal employees on Saturday backfired after opponents of the billionaire began spamming his inbox. In the email, Musk ordered government workers to respond with their weekly accomplishments by the end of Monday or face potential termination.

Current and former OPM employees describe an agency that’s been taken over by a shadow operation of political appointees affiliated with Musk’s Department of Government Efficiency, or DOGE.