Ever heard of ezine marketing? No it has nothing to do with Ezine article website. Some other names for it are solo-ads or newsletter marketing. It is where you buy an ad in an email newsletter, hence the name ezine marketing.
Ezine Marketing: What Is It?
Many people have their own e-newsletter based on a certain interest. There are e-newsletters based on real estate, wine, food, family, marketing, and an unlimited number of other categories. These newsletters are sent out through email to people who have signed up to receive the newsletters.