Share 'How to send a message automatically to everyone on the network'

Hey everyone, I have a question, is it possible with Ning to send automatically a message/mail to every user on the network when a new article is created on a blog or when a new discussion (or even a reply message) in the forum is created ? I'm using Ning in a company (to share experiences, advices...) and my boss would like to keep everyone informed when a new message/article is posted. Thank…