How To Install and Configure Postfix on Fedora 40

To install and configure Postfix on Fedora 40, follow these steps:

Step 1 : First, ensure your system is up to date by running:

sudo dnf update

Step 2 : Install Postfix using the following command:

sudo dnf install postfix

Step 3 : Start and enable Postfix service:

sudo systemctl start postfix
sudo systemctl enable postfix

Step 4 : Check the status of Postfix to ensure it's running:

sudo systemctl status postfix

Step 5 : Test Postfix

- Install mailx to send test emails:

sudo dnf install mailx

- Open a temporary mail page, for example, temp-mail.org.

- Send a test email to your temporary mail:

echo "Test mail from Postfix" | mail -s "Test Postfix" your_email@temp-mail.org

Replace your_email@temp-mail.org with your temporary email address.

- Check your temporary mail page for the received email.

Step 6 : To check mail logs for troubleshooting or monitoring:

sudo journalctl -u postfix

Congratulations! You have successfully installed and configured Postfix on Fedora 40.