Please also have a look at the
<a href="https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/rulesofEngagement&">Rules of Engagement</a> and <a href="/people/eddy.declercq/blog/2006/07/21/from-the-grumpy-old-man-sdn-kindergarten Grumpy</a> regarding the use of meaningful subjects and the use of "Urgent".