Gửi e-mail khách hàng hiện tại hoặc khách hàng tiềm năng đã trở thành tiêu chuẩn hành nghề kinh doanh giữa các công ty hiện đại. Sau khi tất cả, e-mail là giá rẻ và đáng tin cậy hơn so với gửi thư trực tiếp, đặc biệt là khi bạn xem xét toàn bộ thế giới là thị trường của bạn. | Chapter 13 Tell-a-Friend System IN THIS CHAPTER Developing a tell-a-friend system Installing a tell-a-friend system Using a tell-a-friend system Sending e-mails to existing customers or prospective customers has become standard business practice among modern companies. After all e-mail is cheap and more reliable than direct mail especially when you consider the entire world as your market. Marketing departments have been coming up with creative ways of using e-mail to increase companies exposure and customer base via e-mail. In this process the Tell-a-Friend concept was invented. This process involves embedding a small HTML form within HTML messages that are sent out to customers or leads and encouraging them to tell their friends about the company s product and or services. This viral marketing technique is widely used to increase Web site visits and even sell new products and services. In this chapter you ll develop a Tell-a-Friend system that you can use with your in-house or outsourced e-mail campaign solution. Let s look at the functionality requirements of this system. Functionality Requirements The Tell-a-Friend that we will build in this chapter will have the following features Central Tell-a-Friend database A single database will be used to store all Tell-a-Friend information. The database will store Tell-a-Friend forms a friends list name e-mail submitted per form by each user who fills out the forms and subscription information each friend who subscribes via a link embedded in the e-mail sent by the system . 431 432 Part 111 Developing E-mail Solutions Central Tell-a-Form form management application The system will have a form-management application that will allow valid users who make requests from a set of given IP addresses which is configured in a central configuration file to register an HTML form name to a form ID and a message ID along with other information such as maximum individual submissions score per friend s e-mail and score per .