As the cornerstone of spam-mitigation efforts, enabling SpamAssassin is an essential step to ensuring your users have a positive mail experience. As with most things server administration, there is far more to consider than merely enabling it. Often, the system administrator must optimize the service to achieve peak performance for their users.
Below you'll find articles to help you on your journey to providing a spam-free mailbox to your users.
Articles for consideration
The first step to increasing SpamAssassin's effectiveness is identifying how and why a given spam message was or was not correctly flagged. These links provide some important troubleshooting steps for determining what is necessary:
Spam messages getting through without being scanned? This article shows why that may be the case:
It is not uncommon for SpamAssassin to scan a message, but not flag it as spam because it did not trigger the right rules, or enough of them to accumulate a score exceeding the configured threshold. These articles illustrate several methods to address that: