Down-editing your e-mail is a necessary skill that adds to clarity in your communications and helps avoid misunderstandings. In addition, responding point by point to those who e-mail you also shows consideration for their time and your command of technology. It is a skill that is developed over time - by doing. By editing your e-mail properly, you can leave that oh-so-important professional impression with those new business contacts who will be determining what it will be like to do business and communicate with you via e-mail. Since most onliners are anemic in this area - you will shine by making these simple efforts!