The 1:1 ratio is a mistake based on a wrong interpretation of the bayes=20 theorem. I have a ham : spam ratio of 1 : 40.
No, it's not.. Dan Q actually corrected me once on this.. Technically, the "optimal" ratio is 1:1, based on the testing done by the SA development team.
SA is very tolerant of deviation from this, mine is 22:1 and works fine... but Chris is correct is saying the ideal is 1:1, and it's not a mistake.
