They prove very effective as they message to delivered to targeted customer. Business email database is called email lists, usually contain data that include email address and their names. Which an individual or a company can use sending message most of the way email list are of 2 types. Email marketing is depend on a valid and latest email list. If you have no valid email list ? You don’t get any results.
You need buy mailing lists

To set up and form to capture your prospect contact details and you need visitor to come to your website (develop traffic)

A valid email database quality is
1. A newsletter
2. A product
3. A service
4. A special offer