Many people wish to create their own broadcast for MSN messages.There are several ways to accomplish this, but the most correct way is also the most expensive.
Read more here:
http://signup.alerts.msn.com/brochure/index.html
https://www.netservicesmanager.com/wizard/default.aspx
https://www.netservicesmanager.com/signup/default.aspx
http://www.microsoft.com/net/services/alerts/developer.mspx