How to Install and Uninstall nullmailer Ubuntu 22.04

Updated: September 10, 2022

Nullmailer is a replacement MTA for hosts, which relay to a fixed set of smart relays. It is designed to be simple to configure and especially useful on slave machines and in chroots. I will show you how to install nullmailer on Ubuntu 22.04 in this guide.

Prerequisites

  • Operating system: Ubuntu 22.04 is needed for nullmailer to work
  • Privileges: Check that you can run sudo commands.

Prerequisites to install nullmailer on Ubuntu 22.04

Install nullmailer Ubuntu 22.04

nullmailer is one of the popular ways on Ubuntu now so that this tutorial will show you some ways to install it. Choose the one that you think is easy and you can follow.

Install nullmailer using APT

This is a popular method for installing any Ubuntu packages because it’s easy to follow, even if you are a newbie in Linux. Following these steps to get nullmailer on your Ubuntu.

Step 1: Update the APT database to fetch new packages from Ubuntu. Opening the terminal and executing this Linux command:

sudo apt-get -y update

Step 2: Start the package installation on Ubuntu 22.04. After updating the system, you can install nullmailer Ubuntu by pasting this command into the terminal and executing it.

sudo apt -y install nullmailer

Install nullmailer using Aptitude

With Aptitude, users can view a list of available packages and manage their installation, upgrade, and removal of packages. If you didn’t install it on Ubuntu, you need to install it by executing this command.

sudo apt-get install aptitude

After installing aptitude, you can now install nullmailer, just following these steps:

Step 1: You must update the APT package repository cache before attempting to install, update, or remove any packages. Update the APT database to fetch new packages from Ubuntu. Opening the terminal and executing the following Linux command:

sudo apt-get update

Step 2: Start the package installation on Ubuntu 22.04. After updating, you can install nullmailer Ubuntu by pasting this command into the terminal and pressing Enter.

sudo aptitude install nullmailer

Uninstall nullmailer on Ubuntu 22.04

Have you ever thought that uninstalling an application from Ubuntu might be challenging? You’re wrong; any program, not just a nullmailer, can be easily uninstalled by anyone.

If you installed nullmailer using APT or Aptitude, you could uninstall nullmailer on Ubuntu by executing this command

sudo apt remove --auto-remove nullmailer

If you want to uninstall nullmailer and remove its data and dependencies, you can also run the following command:

sudo apt autoremove --purge nullmailer

Summary

In this tutorial, I showed you ways to install nullmailer on Ubuntu 22.04 and ways to uninstall nullmailer too. If you need any help, don’t hesitate to contact me. I’m very glad to answer them.