My only suggestion is that people create a subfolder under their “Junk” folder called “SpamAssassin Junk” or something similar (”whatever floats your boat and helps you sleep at night” and filter SpamAssassin junk to that folder. Then you can let the Bayesian filtered spam that Mozilla catches itself that SpamAssassin misses go to the Junk folder as it is usually set to, and then you’ll know how much mail each filter is catching and if you have SpamAssassin attach the original message you’ll have the “spam description” versions in the SpamAssassin Junk folder and the non-altered Mozilla catches in their own folder.

Just my two cents to Robert’s excellent tutorial.