Autoresponders are automatic e-mail response programs. They have become one of the most essential tools for Internet marketers, affiliate marketers and others who do a large amount of business on the web. The autoresponder program will send pre-entered e-mail messages instantly to people who request information from a website, newsletter or online merchant. One of the most common uses for autoresponders is to create a learning course to inform and educate potential customers about the benefits of a business or product. Autoresponders also allow Internet business people to effortlessly follow up with their clients from time to time.