Integration Testing SMTP With Serverspec - @jaguerraWhen testing for proper working services it is usually not enough to check whether some port is open and listening and/or some service is up. Checking if your SMTP server is not an open relay is actually as important as having the service up and running. Fortunately tools exist to allow this kind of testing the easy way. Serverspec is a great tool to check if your server is properly configured. It
