Table of Contents

1     Scope          
 2     References
 3     Definitions
        3.1     Terms defined elsewhere       
        3.2     Terms defined in this Supplement      
 4     Abbreviations and acronyms             
 5     Conventions            
 6     Overview  
 7     Introduction of ML
 8     Technical framework for countering spam based on ML        
        8.1     General structure       
        8.2     Reference model       
        8.3     Module functions       
 9     Work flows
Bibliography