A mailing list is a collection of email addresses which can get one and the same message at the same time. When an email message is sent out to the principal address associated with the list, for instance – firstname.lastname@example.org, it is forwarded automatically to all of the addresses which are added to that mailing list. This functionality will enable you to contact electronic mailing list subscribers with ease, so you can send notifications or any other info on a periodic basis to all of your customers. Based on the application that is used to manage the mailing list itself, addresses can be added manually by the mailing list’s admin or people have to register, giving their approval to get emails in the future. A mailing list will save you plenty of time and will allow you to stay in touch with your clients easily, which can bolster the reputation of your website.