If your EDM is putting extra white spaces like page breaks in when it renders in Microsoft Outlook 2007 and Outlook 2010.

Here are some links that might help:

Need Workaround for Outlook 2007 HTML Email Rendering Bug (Horizontal Gaps)
http://stackoverflow.com/questions/2419388/need-workaround-for-outlook-2007-html-email-rendering-bug-horizontal-gaps

Spacing Issues in Outlook 2007 and 2010
http://www.emailonacid.com/blog/details/C13/horizontal_spacing_issues_in_outlook_2007_and_2010

Hope this helps someone!