A mailing list is a set of email addresses that can get the same email simultaneously. If an email is sent out to the main email address associated with the list, for example – firstname.lastname@example.org, it is redirected automatically to all of the email addresses which are added to that list. This functionality will allow you to contact subscribers easily, so you can send out announcements or any other information on a regular basis to all your clients. Depending on the software app that is used to administer the list itself, addresses can be included manually by the mailing list’s admin or people need to sign up, giving their categorical consent to get emails in the future. A mailing list will spare you plenty of time and will enable you to keep in touch with your clients easily, which can boost the reputation of your web site.