Class Hierarchy
This inheritance list is sorted roughly, but not completely, alphabetically:

Options | Structure to store the program options
RatingBase | Base class of structures that store informations about the rating/test of mail properties
BoolRating | Structure to store the rating of an integer test:
SigRating | Structure for signature test options
IntegerRating | Structure to store the rating of an integer test:
RatioRating | Structure to store the rating of an ratio test: