Business Netiquette International
   Discusses proper procedures for composing and sending business-related e-mail messages, especially in an international context.
   http://www.bspage.com/1netiq/Netiq.html

Seven Annoying E-Mail No-No's
   Provides some annoying habits of message composition. Directed to a business user.
   http://realtytimes.com/rtnews/rtapages/19981231_emailnonos.htm