Using SpamAssassin
Now that SpamAssassin is installed, we need to configure the system to use it. SpamAssassin can be used in many ways. It can be integrated into the MTA for maximum performance; it can run as a daemon or a simple script to avoid complexity; it can use separate settings for each user or use a single set of settings for all users; and it can be used for all accounts or just for the chosen ones. In this book, we will discuss using SpamAssassin in three ways.
The first method is with Procmail. This is the simplest method to configure and is suitable for low-volume sites, for example, less than 10,000 e-mails a day.
The second method is to use SpamAssassin as a daemon. This is more efficient, and can still be used with Procmail, if ...
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