How to Install Sendmail on Fedora CoreOS Latest

Sendmail is an open-source email solution that provides SMTP and other email-related services. In this tutorial, we will be installing Sendmail on Fedora CoreOS Latest.

Prerequisites

Before we begin with the installation process, make sure to have the following prerequisites:

• A machine with Fedora CoreOS Latest installed and configured.
• A user account with root or sudo privileges.

Steps to Install Sendmail

1. Open the terminal window on your Fedora CoreOS Latest machine.

2. Update the system package repository by running the following command:

   sudo dnf update
   

3. Install Sendmail by running the following command:

   sudo dnf install sendmail
   

4. Once the installation is complete, start the Sendmail service by running the following command:

   sudo systemctl start sendmail.service
   

5. To enable Sendmail to start at boot, run the following command:

   sudo systemctl enable sendmail.service
   

6. Verify that Sendmail is running successfully by using the following command:

   sudo systemctl status sendmail.service
   

   This will show the status of the Sendmail service, and you should see a message stating that the service is active.

7. Finally, configure Sendmail by editing the configuration file located in the /etc/mail directory. You can do this by running the following command:

   sudo nano /etc/mail/sendmail.mc
   

   Here, you can configure various settings related to Sendmail, such as domain name, SMTP settings, and more.

8. Save the changes and exit the file by pressing Ctrl+X, then pressing Y to confirm the save and Enter to exit.

9. Restart the Sendmail service to apply the changes you made to the configuration file by running the following command:

   sudo systemctl restart sendmail.service
   

   This will apply the changes you made to the Sendmail configuration file.

Conclusion

In this tutorial, we have covered the steps to install Sendmail on Fedora CoreOS Latest, including starting the service, enabling the service at boot, verifying the service status, and configuring Sendmail. With Sendmail installed, you can now start to use its various email-related services.

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