How to Install Maddy Mail Server on Elementary OS Latest

In this tutorial, we will guide you step-by-step on how to install Maddy Mail Server on Elementary OS Latest.

Prerequisites

Before we proceed with the installation, make sure that you have the following requirements:

Access to a Linux machine running Elementary OS Latest.
A user account with sudo privileges.
Basic knowledge of the command line interface.

Installation Steps

Update the package list and upgrade existing packages by running the following command:
```
sudo apt update && sudo apt upgrade -y
```

Install the build dependencies required to build Maddy Mail Server:

sudo apt install -y build-essential libsystemd-dev libsystemd-journal-dev libsystemd-network-dev libsystemd-id128-dev pkg-config libenchant1c2a libenchant-dev libevent-dev libssl-dev libsystemd-dev

Clone the Maddy Mail Server repository by running the following command:
```
git clone https://github.com/foxcpp/maddy.git
```
Navigate to the Maddy source code directory:
```
cd maddy
```
Build and install Maddy by running the following command:
```
sudo make install
```

Configure Maddy by creating a configuration file:

sudo nano /etc/maddy.conf

You can add the following example configuration to the file:

# Listen on all interfaces on incoming mails on SMTP port 25
hostname example.com
bind * smtp
# Deliver mails locally
local_delivery maildir /var/mail/%{user}/
# Forwards domain1.com to domain2.com
route domain1.com smtp://domain2.com

Save and close the file using Ctrl+X, Y, Enter.

Create a system user for Maddy:

sudo adduser --system --shell /usr/sbin/nologin --no-create-home --group maddy

Set the correct permissions on the Maddy directories:

sudo chown -R maddy:maddy /usr/local/etc/maddy /var/{lib,log,run}/maddy /etc/maddy.conf

Create a systemd service file for Maddy:

sudo nano /etc/systemd/system/maddy.service

Add the following contents and save the file:

[Unit]
Description=Maddy Mail Server
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/maddy --config /etc/maddy.conf
User=maddy
Group=maddy
Restart=always
RestartSec=5s

[Install]
WantedBy=multi-user.target

Save and close the file using Ctrl+X, Y, Enter.

Reload the systemctl daemon and start the Maddy service:

sudo systemctl daemon-reload
sudo systemctl start maddy

Congratulations, you have successfully installed and configured Maddy Mail Server on your Elementary OS Latest machine. You can now configure your mail clients to connect to your server and start sending and receiving emails.