This tutorial will guide you step-by-step on how to install Postfix on Fedora CoreOS Latest. Postfix is a popular mail transfer agent (MTA) that can be used to send and receive emails.
Before installing Postfix, it is recommended to update the system to the latest packages available. Run the following command to update the system:
sudo dnf update
To install Postfix on Fedora CoreOS Latest, run the following command:
sudo dnf install postfix
Once Postfix is installed, you need to configure it to use your email service provider. The configuration file is located at /etc/postfix/main.cf. Open the file using a text editor:
sudo nano /etc/postfix/main.cf
Replace nano with your preferred text editor.
In this file, set the following variables:
myhostname: The fully qualified domain name of the server.mydomain: The domain name used in email addresses (e.g. example.com).mydestination: The list of domains that this mail system serves. By default, this is set to the same value as myhostname.relayhost: The hostname or IP address of the outbound mail relay host. This is usually provided by your email service provider.Here is an example configuration:
myhostname = example.com
mydomain = example.com
mydestination = localhost, localhost.localdomain
relayhost = smtp.example.com
Save and close the file.
Once Postfix is configured, start the service with the following command:
sudo systemctl start postfix
You can also enable Postfix to start automatically on system boot:
sudo systemctl enable postfix
In this tutorial, you learned how to install and configure Postfix on Fedora CoreOS Latest. With Postfix installed and configured, you can now send and receive emails using your preferred email service provider.
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