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Then, setup spamd to start with the system, and you are ready to go. If you wish to provide spamassassin preferences, change "user=nobody" to a valid system user (except for root, since Postfix will NOT call external programs as root), and add .spamassassin into that user's home directory.

Note that this exact method of invoking [SpamAssassin] is not very robust. Should spamc for some reason fail to start, Postfix will start bouncing mail. A more robust but also more I/O-intensive solution is the one proposed in the \[http://www.postfix.org/FILTER_README.html FILTER_README file\] that comes with the Postfix distribution.

Alternatively, a more complex scheme is to integrate it using Amavis, as described in IntegratedInPostfixWithAmavis.

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