Email marketing is a form of direct marketing which uses electronic mail as a means of communicating commercial or fundraising messages to an audience. In its broadest sense, every email sent to a potential or current customer could be considered email marketing.
E-mail can be a powerful marketing its Increasing sales, driving traffic to your Web site, and building and maintaining customer relationships.
Inexpensive: You may need to spend some money on designing your text- and HTML-based e-mail pieces, but you can eliminate paper, printing, manufacturing, and shipping costs.
Fast: An e-mail piece can be created very quickly, and many of your customers will receive it within 30 seconds of it being sent. Likewise, response time is very fast: 80% of customers who respond to an e-mail piece do so within 48 hours of receiving it.
Personalized Message to a Targeted Audience: E-mail enables you to send targeted messages to specific segments of your customer base. Research shows that personalizing an e-mail greatly increases the chance that your customer will read it; it also increases the chance they will follow your call to action.
Verifiable Results: You can measure how many customers open your e-mail, how many click on a link in it, and how many ultimately purchase a product or take any other action suggested in the message.