We’ve added a new how-to / quick-start guide to our Literature page. This guide explains the recommended settings for protecting your mail server from sending outbound spam, and includes tips on how to avoid ending up on a blacklist, how to require SMTP authentication, bandwidth management, prevention of spoofing and abuse, and more. You can find this guide under the How-to Quick-Start Guides section of our Literature page. Click on Email Server Settings: Best Practice How-to Guide.
If you have not yet installed MDaemon, then these documents will help guide you in the deployment process: