1st Mail Sender is a powerful program used to send notification messages or require news bulletins to your subscribers by e-mail. The application enables you to inform your users about significant events and send invoices or price lists. You can save automatically or manually the subscriber lists by e-mail and with several groups of subject. Moreover, you can manage the e-mail addresses using an intelligent filter and manage the transfer speed of the messages in order to prevent the server from being overloaded. The software is a shareware version which expires after 30 days of use.