Newsletter Subscription is an email newsletter software made in PHP/MySQL, which permit you to arrange email marketing campaigns and newsletter subscriptions that is of interest to its subscribers. It is an affordable and customizable email marketing software that can install on number of websites. Any one can produce various marketing campaigns and send volume messages to its subscribers. And whole source code will available under Developer License.
In general terms a newsletter is used as a publication that gets circulated to its subscribers after a regular time interval. Subscriber can subscribe or unsubscribe a newsletter by filling a form only.