Today, email marketing software and services have replaced direct mailers. Email marketing provides valuable information, such as who is opening the emails, which links are they clicking and how many subscribers’ forward emails to friends. In addition, these services offer social networking buttons so sharing your campaign messages is easy. Through reporting features, you can find what is working and what is not, how to improve, and create surveys for customer feedback. Here are a few of the top email marketing companies, services and software programs that will help market your business, communicate with customers and subscribers.