In this tutorial, we will go through the steps of installing Simple NixOS Mailserver on Kali Linux. Simple NixOS Mailserver is a minimalistic and easy-to-use mail server that is designed to run on NixOS. This tutorial assumes that you have a basic understanding of Kali Linux and are comfortable using the terminal.
Before we begin, make sure you have the following:
Before installing any new software, it is always a good idea to update the system to ensure that we have the latest security and bug fixes. To update the system, open a terminal and run the following command:
sudo apt update && sudo apt upgrade
Enter your root password if prompted and wait for the update to complete.
Simple NixOS Mailserver has a few dependencies that need to be installed. Run the following command to install them:
sudo apt install git make nix
We need to clone the Simple NixOS Mailserver repository from GitLab. Run the following command to clone the repository:
git clone https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git
Now that we have cloned the repository, we need to generate the configuration. Change to the directory where the repository was cloned to and run the following command:
make config
This will generate the Simple NixOS Mailserver configuration based on your system settings. Once the command has completed, you should see a file called mailserver.nix in the nixos-mailserver directory.
Now that we have generated the configuration, we can install the mailserver. Run the following command:
sudo nix-env -iA mailserver -f mailserver.nix
This will install the Simple NixOS Mailserver on your system. Once the installation is complete, we can start the mailserver.
To start the mailserver, run the following command:
sudo systemctl start mailserver
This will start the Simple NixOS Mailserver. To ensure that the mailserver starts on boot, run the following command:
sudo systemctl enable mailserver
To test the mailserver, we can use a simple command-line mail client called swaks. Run the following command to install swaks:
sudo apt install swaks
Once swaks is installed, we can send an email to our test account. Run the following command:
swaks --to=your-email-address@example.com --from=test@your-domain-name.com --server=localhost
Remember to replace your-email-address@example.com and your-domain-name.com with your actual email address and domain name.
If everything is working correctly, you should receive an email in your inbox.
In this tutorial, we have gone through the steps of installing Simple NixOS Mailserver on Kali Linux. We have installed the required dependencies, cloned the repository, generated the configuration, installed the mailserver, started the mailserver, and tested the mailserver. You should now have a working mailserver on your Kali Linux machine.
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