An email is like any other piece of writing – it can greatly benefit from a few extra moments of editing.
Please have a look at this article I wrote, where I share some tips for sending professional and well-written emails.
http://ezinearticles.com/?Anatomy-of-a-Business-Email&id=520408
Quick Writing Prompt: Make your writing the best it can be! Before hitting "send" on that next business email, check it against the tips in my "Anatomy of a Business Email" article.