Developer's DescriptionBy IDataExpresssend email without an SMTP serverMail Express is an easy to use e-mail server that allows you to solve the most common problems that you're having with your ISP's e-mail system. If your ISP's e-mail server is slow, or unavailable from time to time, or if they have limitations that keep you from e-mailing large quantities of newsletters to your clients, then Mail Express will let you take control of your e-mailing and bypass your ISP's problems.