This is a stand alone SMTP serve which allows you to send email message with or without attachments without any relay check and restrictions. The device can be a stand alone server where other devices can hook into its SMTP server and send email or it can be send via this device using an email client. This application is useful for email marketing and bulk emailing for a promotional product. Please do contact us in case there is a further enhancement or an issue. When contacting us for issue related to bug, please mention which email client you were using.