Once SpamAssassin is installed and configured, it operates well with little or no intervention. A busy system administrator will be keen to automate every aspect of system operations and make life easier for users. In this chapter, some further filters and regular scripts are described.
Spam does not need to be saved on the server, except as a corpus for training the Bayesian database and for score regeneration. Generally, the reason that spam emails are stored is so that any false positives can be reclaimed by users. If auto-learning is used, you also can use these stored spam emails to ensure that false positives have not been learned as spam. This involves checking the folder of spam on a daily or weekly basis.
One technique to lower the number of spam emails to be examined is to divide them into two folders: one for high-scoring spam emails and another for comparatively low-scoring spam emails. False positives are unlikely...