May 2001
Beginner
624 pages
13h 6m
English
Content preview from Postfix
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Chapter 9. Postfix Lookup Tables
In the preceding chapter, I explained the Postfix main.cf configuration file. One of the features described in the configuration file is the use of lookup tables to map information in a database type format. This chapter describes the different types of lookup tables Postfix can use and how they help speed up the access of mail information.
Postfix Lookup Table Support
Many of the Postfix core programs match information contained in mail messages with lists of addresses in lookup tables to determine how and where to deliver e-mail messages.
Table 9.1 lists all supported Postfix lookup tables.
Table 9.1. Postfix Lookup Tables
| Table | Description |
|---|---|
access
| Allows Postfix to selectively accept or reject messages based on the ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.