Subscription based mass e-mailer. This program is used by many internet professionals and on line store owners, to notify their customer base about various events. No configuration is necessary, works right out of the box. This program allows to quickly import the list of subscribers into it's internal database. Do filter based manipulations on the list, search for duplicate emails and enable or disable individual emails and use POP3 subscribe/unsubscribe for processing all the requests for subscribing and unsubscribing people from the list.