So, you've entered your fancy email into your WYSIWYG, or if you're savvy enough you did it all in code. The email goes through the normal channels, is proofed by seemingly 25 stakeholders, it gets approved and it looks phenomenal! You hit send and wait for the magic to begin. Across the country, someone in Wichita, Kansas opens your email in Outlook 2010 and is baffled. The spacing is all over th