Update README.md

Author: themightychris

README.md

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 Laddr -- pronounced "ladder" and named after the essential tool for fire brigades -- is a web application designed to create an online home-base for [Code for America brigades](http://brigade.codeforamerica.org).
 
 ## Hosting
-Code for Philly hosts and maintains instances for free for other brigades on our multi-tenant infrastructure. Email [[email protected]](mailto:[email protected]) to get started with a sandbox instance.
+Code for Philly hosts and maintains instances for free for other brigades on our multi-tenant infrastructure. Make a post to the [Hosting Requests](http://forum.laddr.us/c/hosting-requests) category of Laddr's support forum to get started with a sandbox instance.
 
 ## Help / Support / Questions / Chat
 Guides and support are available at our Discourse foreum at [forum.laddr.us](http://forum.laddr.us/)