First of all, you should try to organized your mailing list well. If you are collecting the addresses from different websites, you should make sure that you do not mix up the addresses from different sites. This is because the potential buyers subscribed from different websites will have different interest.

When you are launching your email marketing campaign, you are not just sending the message to everyone in your mailing list. Again, you have to have a basic idea on their interest. For example, you will not send information of the latest gadget to people who subscribe from your weight loss website. This is because people who subscribe from your weight loss site may not have interest in the latest gadget.

When you are sending the messages to the people in the mailing list, you should never make the message too complicated. You should try to keep the message simple and easy to read. Of course you will also want to promote your affiliate products in your messages. However, you have to make sure that it will be a hard sell of the products. Besides, you should sometimes send some useful information to the subscribers so that they will keep opening your emails.

There are a lot of mailing lists out there. You can buy these lists easily from places such as webmaster forums. However, you are not advised to buy this kind of lists. This is because you will not able to know their interests if you buy the list. And you will never know how the list is compiled. As a result, it will only be a waste of money and time if you try to buy such lists.

Besides, you should never spam the email box of your subscribers. There is no need to send the subscribers five messages a day. Your subscribers may think that the messages are spams and will delete them without even opening them. In most cases one message a week will be good enough.

If you can do your email marketing well, you will certainly find that your affiliate income increases in a very short period of time.