With a mailing list, you are able to send out the very same email to different users simultaneously. The mailing list is a collection of their email addresses, so if you send one single message to the mailing list’s email address, newsletter@domain.com – for instance, it will be forwarded automatically to all the subscribers right away. Normally, users need to subscribe to such a mailing list, but occasionally their addresses can be added manually as well, based on the software app that is being used to manage the mailing list itself. You can use the mailing list feature to contact prospective or current customers and to send them notifications, brand-new offerings and other kinds of info on a periodic basis. This will prove your desire to remain in touch with them and will enhance the popularity of your site.