How to install and configure Postfix in Ubuntu
Postfix is the default Mail Transfer Agent (MTA) in Ubuntu. It attempts to be fast and easy to administer and secure. It is compatible with the MTA sendmail. This section explains how to install and configure postfix. It also explains how to set it up as an SMTP server using a secure connection (for sending emails securely).
Installation
To install postfix run the following command:
sudo apt-get install postfix
Simply press return when the installation process asks questions, the configuration will be done in greater detail in the next stage.
Basic Configuration
To configure postfix, run the following command:
sudo dpkg-reconfigure postfix
The user interface will be displayed. On each screen, select the following values:
-
Ok
-
Internet Site
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NONE
-
mail.example.com
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mail.example.com, localhost.localdomain, localhost
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No
-
127.0.0.0/8, 192.168.0/24
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Yes
-
0
-
+
-
all
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