Promoting your website is considered to be very useful as this is how you can get relevant traffic at your website. The advertisers can now buy mailing list through the online media companies and use it in their email marketing campaign that would help in promoting it better. When you buy mailing list then you have a database ready which can turn out to be very useful in your ad campaign. You are able to identify your target consumers and send email to them so that they can learn about your site and visit it. One can buy email list that identifies their target consumers and is also referred to as optin email. It consists of the email addresses of the people who are willing to receive email that can help them to know about the particular products. These consumers are likely to go through the mail sent under email marketing and then visit the website through it. The email marketing done by using the opt in email list is able to enjoy a better click through rate and also helps in bringing in better traffic for the website. This is why most of the advertisers prefer to buy mailing list and then use it for their email marketing campaign.