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Title: Not Recommened; Too broad and general
Review: Kind of regret getting this book.I was hoping to see more of Postfix then described in this book. Like for example what's "empty_address_recipient" do and what parameter can it take and so on. Or how to work content_filter with other filter scripts so I can implement any spam and virus filter and so on. It doesnt even talk about it!The book only gave an introductory broadview, but that's about it. It's probably ok if that's all you need.
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