Microsoft Exchange Connectivity Test - https://www.testexchangeconnectivity.com/Default.aspx
How to configure a anonymous relay to external domains - http://www.lazynetworkadmin.com/knowledgebase-mainmenu-6/2-windows/149-exchange-2010-configure-anonymous-relay-to-external-domains
Installing a GoDaddy Standard SSL Certificate on SBS 2008/2010 - http://smbtn.wordpress.com/2009/02/12/installing-a-godaddy-standard-ssl-certificate-on-sbs-2008/
Delayed Acknowledgments - http://social.technet.microsoft.com/Forums/en-US/exchangesvrtransport/thread/2d2ff7d0-742e-452c-8bce-d930c9335bdb
Trusted Certifcates http://sbs.seandaniel.com/2008/07/understanding-self-issued-certificates.html