An electronic mailing list is a set of email addresses that can get the same message at the same time. When an email message is sent out to the main email address associated with the mailing list, for instance – newsletter@your-domain.com, it is re-sent automatically to all the email addresses which are added to that mailing list. This option will permit you to reach subscribers easily, so you can send out notifications or any other information on a regular basis to all your clients. Based on the software program 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 explicit approval to receive emails in the future. A mailing list will spare you a lot of time and will allow you to stay in touch with your clients easily, which can nourish the popularity of your web site.