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Linux Email: Set up and Run a Small Office Email Server by Patrick Ben Koetter, Magnus Back, Alistair McDonald, Carl Taylor, David Rusenko

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Customization

SpamAssassin is very configurable. Almost every setting can be configured on a system-wide or user-specific basis.

Reasons to Customize

If SpamAssassin is so good, then why configure it? Well, there are several good reasons why it's worth improving spam filtering with SpamAssassin:

  • SpamAssassin by default (i.e. when installed but not customized) typically manages to detect over 80% of spam. After adding a few customizations, the detection rate can be greater than 95%.
  • Everyone's spam is different and one user's spam is another user's ham. By trying to be general, SpamAssassin may fail to filter someone's spam.
  • Some of the features of SpamAssassin are disabled by default. By enabling them, the spam recognition rate is increased.

The following ...

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