Introduction
Mail systems using Postfix
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What you will need
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Virtual machine configuration
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Lab setup
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Set hostnames
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1. Email Systems and Terminology
About email
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How email works
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Mail agents
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2. Introducing Postfix
Install Postfix
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Postfix services
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Postfix commands
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Postfix logging
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Postfix and Security-Enhanced Linux (SELinux)
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3. Postfix Configuration Files
The access file
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The canonical file
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The generic file
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The relocated file
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The transport file
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The virtual file
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The aliases file
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The master file
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The main configuration file
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4. Configure Postfix
Configure a local mail server
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Send email from a remote client
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Create a null-client mail relay
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Create a mail gateway
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