Mass Mailer gives you the features you need to quickly create and maintain a successful Internet marketing campaign. Mass Mailer is designed to broadcast text or html emails, E-Mail-Adresse tracking, sending speed control, built in SMTP server. Free Tech Support. Mass Mailer helps you create a customer or client Datenbank in a matter of minutes, simply by entering key information into an easy-to-use contact form. If you already have an existing Datenbank, you can import it into Mass Mailer in a few easy steps, using any standard text- delimited format. Mass Mailer also works with multiple servers and multiple users, ensuring your sales and project teams are able to share information and contact lists.