Lewis' statement is backed up in internal emails subpoenaed by Republican lawmakers on the House Oversight Committee.

Viacom cited internal emails sent among YouTube's founders discussing how to deal with clips uploaded to YouTube that were obviously the property of major media conglomerates.

In September 2007, a large number of internal emails were leaked from anti-piracy company MediaDefender by an anonymous hacker.

Michelle and Neil talk about a company that aims to ban all internal emails in the workplace.

The leak reportedly contained "shiny things such as internal emails and the entire database dump."

You can communicate internally via internal emails, newsletters or the intranet to make all staff, contractors and suppliers aware of your environmental policy.

Optical disks contained only the internal emails of registered traders.

In the programme, Panorama revealed the secret trail of internal emails which show how GlaxoSmithKline manipulated the results of the trials for its own commercial gain.

During its work for News International, Harbottle & Lewis took possession of hundreds of internal emails.

Ynetnews reported that, according to internal emails between Stratfor employees, Israel and Russia were engaged in an exchange of information in 2008.