article_snippet: sometimes used their personal email accounts to communicate with .
article_snippet: government officials.
article_snippet: government business, as well as a private computer server to .
article_snippet: about government matters, adding that 'only the tiniest fraction . of the more than 1 million emails they sent or received involved .
article_snippet: they personal accounts.'
article_snippet: Details on conversations like these are sketchy: the Times the Times wasn't permitted to look at the emails, but relied on descriptions from four different sources.