How Important Is Email Marketing Campaign? This question has a short, simple and direct answer : VERY! New Customers are just a click away… Millions of businesses use e-mail marketing every day to find new customers and keep them coming back. E-mail marketing is effective, affordable, and best of all; it is the easy way to get your business in front of a targeted list of people. Our e-mail databases contain more than 402350 active ids of motivated online users that have been verified, to insure the address is actually in use by a person.