Features:
* Unlimited number of subscribers, unlimited number of mailing lists.
* Customizable messages.
* HTML and attachments (Base64 encoded by K-ML for security)
* SMTP Authentication.
* Generate a Web page for subscribtion/unsubscribtion.
* Powerful professional double opt-in (confirmation) script
* Easy Web Site integration (requires PHP)
* Automatically fetch new subscribing / unsubscribing (requires a FTP access to a PHP enabled Web server).
* Supports multiple accounts
* History record.
* Can change the priority of the Email and even ask for an acknowledgement of receipt.

Home Page - http://katarncorp.com