If you already have e‑mail accounts from other sources (perhaps through your ISP or from a free service like Hotmail or Gmail) you might be wondering why you should bother with more e‑mail accounts. Here are a few of the many reasons:
Give your communication a more polished appearance: This is especially important if you are running your own business. If you sell products online and then ask people to contact you at an AOL or Hotmail e‑mail account, they may wonder if your company is real. With e‑mail coming from your domain, you can give the impression that you are a large business even if you’re just running it out of your basement.
Complete control over your e‑mail: You can forward e‑mail to one or more people automatically, create or remove extra e‑mail addresses whenever you want, forward all mail sent to your domain to another domain altogether. The choice is yours. You are only limited by the disk space and features permitted in your hosting plan...