About ORF ORF is an award winning spam filtering solution developed by Vamsoft Ltd., an independent Hungarian software developer since 2002. ORF provides a vast range of tools for Microsoft® Exchange and IIS SMTP to correctly identify spam especially in a multi language environment. ORF also comes with intuitive and detailed reporting features which enable system administrators to overview and manage spam threats with unprecedented ease. ORF is sold to 94 countries around the world to SMBs to Enterprise level companies and governmental institutions.