How to Install Sendmail on MX Linux Latest

Sendmail is a popular open-source Mail Transfer Agent (MTA) for Unix-based operating systems, which allows email to be sent from a server to a recipient's email address. In this tutorial, we will learn how to install Sendmail on MX Linux Latest.

Prerequisites

Before we proceed with the installation of Sendmail, we need to ensure that our system has the following prerequisites:

  • MX Linux Latest installed on the system.
  • Internet connectivity to download packages.

Step 1: Update The System

Before we begin, let's update the system to ensure that all packages are up-to-date. Open the terminal, and enter the following command:

sudo apt-get update && sudo apt-get upgrade

Step 2: Install Sendmail

To install Sendmail, open the terminal and type the following command:

sudo apt-get install sendmail

During the installation process, you will be asked to configure Sendmail. Choose the "Internet Site" option, and then enter the FQDN (Fully Qualified Domain Name) of your mail server.

Sendmail Configuration

After the installation is complete, the Sendmail service will start automatically. You can check the status of the Sendmail service by running the following command:

sudo systemctl status sendmail

Step 3: Configuration of Sendmail

The Sendmail server can be configured by editing the /etc/mail/sendmail.mc file. Open this file and change the following line as below:

DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA’)dnl

Save and close the configuration file.

Step 4: Restart Sendmail

After modifying the Sendmail configuration file, make sure to restart the Sendmail service by running the following command:

sudo systemctl restart sendmail

Step 5: Test Sendmail

To test Sendmail, open the terminal and type the following command:

echo "Subject: Test Email" | sendmail [email protected]

Replace [email protected] with your email address. If you receive the email successfully, then Sendmail has been installed and configured correctly.

Conclusion

In this tutorial, we learned how to install and configure Sendmail on MX Linux Latest. By following these steps, you can set up a working mail server using Sendmail and ensure reliable email delivery.