A Dockerfile that installs the latest [RosarioSIS](http://www.rosariosis.org/). This file pulls from the master branch, but can be easily modified to pull from any other available branch or tagged release.
RosarioSIS will attempt to send mail via the host's port 25. In order for this to work you must set the hostname of the resariosis container to that of host (or some other hostname that your can appear on a legal FROM line) and configure the host to accept SMTP from the container. For postfix this means adding the container IP addresses to /etc/postfix/main.cf as in: