The document is a series of emails discussing news about six of President Trump's advisers using private email accounts for government business. The sender, jeffrey E. from gmail.com forwards an article from NYTimes.com to Darren Indyke. The article mentions that at least six of President Trump's closest advisers occasionally used private email addresses to discuss White House matters. It is not illegal for White House officials to use private email accounts as long as they forward work-related messages to their work accounts so they can be preserved.