How To Allow Relaying in Exchange 2010 and Exchange 2007 Starting with Exchange Server 2007, Exchange implemented its own SMTP protocol stack – unlike Exchange Server , you no longer need to install the SMTP service from IIS . SMTP Virtual Servers have been replaced by Receive Connectors . Understandably, the way you allow relaying… Continue reading How To Allow Relaying in Exchange 2010 and Exchange 2007