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

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Getting SpamAssassin

SpamAssassin is slightly different to most of the software that is used in this book. It is written in a language called Perl, which has its own distribution method called CPAN (Comprehensive Perl Archive Network). CPAN is a large web site of Perl software (normally, Perl modules), and the term CPAN also covers software to download those modules and install them. Though SpamAssassin is provided as a package by many Linux distributions, we recommend that you install it from source rather than use a package.

Most Perl users will build Perl modules using CPAN and experience no difficulties. CPAN can automatically locate and install any dependencies (other components that are required to make the desired component work properly). ...

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