K-ML is a mailing list and newsletter manager that enables you to send customized emails to your mailing list subscribers. It supports HTML and Text, as well as combined formats and offers integrated HTML editing and preview. The program is easy to use and even comes with ready-to-use PHP scripts that allow you to let users subscribe/unsubscribe to your mailing lists, complete with opt-in confirmation and subscriber download via integrated FTP. Additional features include mail merge, multiple lists, attachments, duplicate removal and more.

The license of this software is Free Trial Software, the price is $49.99, you can free download and get a free trial.