An electronic mailing list is a group of email addresses that can get the same message simultaneously. If an email message is sent out to the primary email address associated with the list, for instance – email@example.com, it is re-sent automatically to all the email addresses which are added to that mailing list. This feature will permit you to contact mailing list subscribers with ease, so you can send newsletters or any other information on a regular basis to all of your clients. Based on the application that is being used to administer the mailing list itself, addresses can be added manually by the mailing list’s administrator or users need to subscribe, giving their approval to receive emails in the future. A mailing list will save you plenty of time and will permit you to keep in touch with your clients effortlessly, which can boost the popularity of your web site.