Based on feedback we have removed the ability to mass email coaches in order to introduce a new more streamlined way to request athlete information from the network. We are working on this now and hope to have it completed in the near future. In the mean time the best way to make sure you are receiving the kind of athletes you are looking for, make sure to have your qualifications updated:
Then when you search athletes, and you see a little green internet connection icon to the right of the name it means they match your schools criteria. You may also email coaches individually on their profile pages in your network.