RHCE Cert Prep: Mail Systems using Postfix

RHCE Cert Prep: Mail Systems using Postfix
RHCE Cert Prep: Mail Systems using Postfix

English | MP4 | AVC 1280×720 | AAC 48KHz 2ch | 1h 03m | 140 MB
eLearning | Skill level: Intermediate


One third of all mail servers run on Postfix, the open-source mail transfer agent. As a Linux administrator, there’s a good chance that you may be asked to set up, manage, or troubleshoot Postfix—and a 100% chance of encountering questions about Postfix on the RHCE certification exam. If you want to pass the RHCE exam and demonstrate your expertise in Red Hat Enterprise Linux, you need to master Postfix. This course covers Postfix configuration and management, including relaying and forwarding, on Linux. Learn how to install and set up Postfix as your default mail transport agent (MTA) and review how email is routed and headers are written. Learn the commands needed to administer Postfix, and decipher the nine different configuration files. Grant McWilliams—Linux expert and author of the RHCE Cert Prep¬ series—also shows how to create aliases and virtual mail groups. The lessons culminate in the fourth chapter, which explains how to set up a local Postfix mail server and relay all mail in the network, including email from remote users, to your mail server.

Topics include:

  • Overview of email and mail agents
  • Installing Postfix
  • Postfix services and commands
  • Postfix configuration files
  • Configuring a mail service
  • Creating a mail gateway
+ Table of Contents

Introduction
1 Mail systems with Postfix
2 What you will need
3 Virtual machine configuration
4 Lab setup
5 Set hostnames

Email Systems and Terminology
6 About email
7 How email works
8 Mail agents

Introducing Postfix
9 Install Postfix
10 Postfix services
11 Postfix commands
12 Postfix logging
13 Postfix and Security-Enhanced Linux SELinux

Postfix Configuration Files
14 The access file
15 The canonical file
16 The generic file
17 The relocated file
18 The transport file
19 The virtual file
20 The aliases file
21 The master file
22 The main configuration file

Configure Postfix
23 Configure a local mail server
24 Send email from a remote client
25 Create a null-client mail relay
26 Create a mail gateway

Conclusion
27 Next steps


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