In the most recent version of Microsoft Office (2007), Microsoft changed the rendering engine for HTML e-mail. We worked for weeks designing our newsletter to adhere to xhtml 1.1 strict standards. It looks beautiful when viewed using any of the current mail applications across platforms -- Thunderbird (Firefox) on Windows, Thunderbird (Firefox) on OS X, Apple Mail on OS X, Entourage on OS X, even in Outlook 2003 on Windows.
For example, below is what our newsletter looks like in Outlook 2003 (which uses Internet Explorer as it's rendering engine.)
But now, Outlook 2007 has changed everything and now uses a rendering engine that was incomplete back in the mid 1990s. Here is how our newsletter looks now using the latest version of Outlook 2007.
