Full user review
"Just what I needed"
It is an SMTP Server despite the other comments. You need to change the settings in your email client to use the server "localhost", and obviously not as an SSL connection.
It is a naked .exe and needs to be put in C:/Program Files/smartpost/
Really good. If the receiving mailbox is at Gmail orY7mail, both test the domainkeys for having been spoofed, and give it a neutral score. It keeps 3 logs of transactions.