With an electronic mailing list, you are able to send one and the same e-mail message to different recipients simultaneously. The list is a collection of their email addresses, so when you send out one single email to the mailing list’s address, newsletter@domain.com – for instance, it will be redirected automatically to all the mailing list subscribers instantaneously. Usually, people need to subscribe to such a mailing list, but sometimes their email addresses can be added manually too, based on the software app that is used to administer the mailing list itself. You can use the mailing list option to reach prospective or active customers and to send them announcements, brand new offers and other types of information on a regular basis. This will show your desire to stay in touch with them and will enhance the popularity of your site.