99 is an easy to configure mailing list script that allows you to send out professional looking newsletters. 99 also includes the ability to mark the priority of your message, that is, you can set it to high, normal, or low importance just like in your favorite email program. Subscribe Me Professional is a easy to set up yet full-featured mailing list management and tracking software.
Users can register themselves for groups of webpages they are interested in.
The groups are defined by you, the webmaster. You can setup an unlimited number of list. There is no size limitation and outgoing messages can be personalized with the first name, last name, email address and a misc field. This free script includes a small ad that is added at the end of each outgoing message. E-Lists is excellent for allowing your visitors to register for upgrade notification, newsletter registration, new product reviews, price list updates, club updates etc etc.