This book is meant to be a reference for the email system administrator who has been asked to implement an anti-spam solution for their organization. This is an administrator’s “how to” stop spam book. It is very hands on, with none of the “why people spam” or other topics which are usually only peripherally interesting or useful to a mail administrator.

Fighting spam is a complex problem, with many potential technical, legislative, and social solutions. No book could ever hope to cover them all in a reasonable amount of space. In fact, when considering only the possible technical spam-fighting solutions, it isn’t possible to give them all the coverage they require. Our focus in this book is on the widely used open source anti-spam solutions ...

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