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Title: Postfix : The Definitive Guide by Kyle D. Dent ISBN: 0-596-00212-2 Publisher: O'Reilly & Associates Pub. Date: 01 December, 2003 Format: Paperback Volumes: 1 List Price(USD): $34.95 |
Average Customer Rating: 4.8 (5 reviews)
Rating: 5
Summary: The Only Serious Contender to Sendmail
Comment: Over 20 years ago, Eric Allman wrote sendmail to handle the then tricky problems of email on BSD and SystemV unix machines. Since then, email has become all pervasive to educated persons. En route, sendmail also grew vastly in complexity to handle this. So much so that just manipulating its configuration files became convoluted. Worse yet was the actual debugging of its source code.
Despite all this, sendmail is still the most powerful Message Transfer Agent on unix/linux. But Venema recently tried a totally different approach. From the onset, he used a modular design and a set of 5 queues in which to process messages. In essence, we have a finite state machine, where the state of a message is the queue that it is in. Dent here shows how Postfix is fundamentally a queue management system. Analogous to how any operating system is basically a file management system.
The hope is that Postfix will be easier to maintain and debug. Certainly, from a sysadmin's viewpoint, the configuration files seem simpler than sendmail's. But perhaps this is partly because Postfix does not yet have the full capability of sendmail?
As a sign of the times we live in, Dent devotes 2 chapters to antispam measures possible in Postfix. This is equivalent functionality to sendmail's Milter API. Likewise, the current Postfix antispam implementations are no more effective than Milter's. Which leaves room for you to try your hand at improving this state of affairs!
As Dent describes, Postfix is now open source and easily available. Still not as widely installed as sendmail. But you now have a credible alternative to it.
Rating: 5
Summary: Finally I Feel Comfortable with Postfix
Comment: After getting my Postfix server running using online documentation I knew that I had been guessing, and that I would need help to go farther. I started reading the Blum book on the subject, and learned a few things, but I was no less confused.
With Dent's "Postfix: The Definitive Guide" I found what I needed. I have a much clearer understanding now, and I have been able to extend some of the sample code to things I want, such as accepting mail from certain domains on a per-user basis. Highly recommended.
Rating: 4
Summary: Not for the newbie
Comment: This book is not for a Postfix or mail novice. It does explain many concepts in a proficient manner. It does explain more in depth strategies and configurations. However, if you are new to Postfix and expect it to get you up and running without having to troubleshoot through config files and find hints on the web first, you will be let down.
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Title: LDAP System Administration by Gerald Carter ISBN: 1565924916 Publisher: O'Reilly & Associates Pub. Date: 20 March, 2003 List Price(USD): $39.95 |
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Title: Apache Cookbook by Rich Bowen, Ken Coar ISBN: 0596001916 Publisher: O'Reilly & Associates Pub. Date: 14 November, 2003 List Price(USD): $29.95 |
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Title: Managing IMAP by Kevin Mullet, Dianna Mullet ISBN: 059600012X Publisher: O'Reilly & Associates Pub. Date: 01 September, 2000 List Price(USD): $34.95 |
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Title: The Book of Postfix by Ralf Hildebrandt, Patrick Koetter ISBN: 1593270011 Publisher: No Starch Press Pub. Date: 01 March, 2004 List Price(USD): $39.95 |
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Title: The Official Samba-3 HOWTO and Reference Guide by John H. Terpstra, Jelmer R. Vernooij ISBN: 0131453556 Publisher: Prentice Hall PTR Pub. Date: 22 October, 2003 List Price(USD): $49.99 |
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