How to Install Mailcow on POP! OS Latest

Mailcow is an open-source mail server that enables you to manage your email, contacts, and calendars. In this tutorial, we will show you how to install Mailcow on POP! OS Latest. Following are the steps to get Mailcow up and running:

Prerequisites

Before installing Mailcow, you need to ensure that the following requirements are met:

A fresh installation of POP! OS Latest.
A sudo user.
Some understanding of the command-line interface.

Install Docker

Mailcow runs on a containerized environment, which means you need to install Docker on your system. Follow the instructions below to install Docker:

Open the terminal by pressing Ctrl + Alt + T.
Update the package index by running the following command:
```
sudo apt update
```

Install the necessary dependencies by running the following command:

sudo apt install apt-transport-https ca-certificates curl gnupg2 software-properties-common

Add the Docker GPG key by running the following command:

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

Add the Docker repository to the system by running the following command:

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

Update the package index by running the following command again:
```
sudo apt update
```

Install Docker by running the following command:

sudo apt install docker-ce docker-ce-cli containerd.io

Once the installation is done, start the Docker service by running the following command:
```
sudo systemctl start docker
```
To ensure that the Docker service starts automatically at boot time, run the following command:
```
sudo systemctl enable docker
```

Install Docker-compose

Docker-compose is another tool that enables you to manage multiple Docker containers. You can install Docker-compose by following the steps below:

Open the terminal by pressing Ctrl + Alt + T.

Download the Docker-compose binary by running the following command:

sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

Once the download is complete, set the permissions for the binary by running the following command:
```
sudo chmod +x /usr/local/bin/docker-compose
```
Verify the installation by running the following command:
```
docker-compose --version
```

You should see the version number for Docker-compose.

Install Mailcow

Open the terminal by pressing Ctrl + Alt + T.
Clone the Mailcow repository by running the following command:
```
git clone https://github.com/mailcow/mailcow-dockerized
```
Navigate to the Mailcow directory by running the following command:
```
cd mailcow-dockerized
```
Copy the sample docker-compose.yml file to create your own docker-compose.yml file by running the following command:
```
cp docker-compose.yml.dist docker-compose.yml
```
Open the docker-compose.yml file by running the following command:
```
nano docker-compose.yml
```
Replace mail.example.com with your fully qualified domain name (FQDN) in the file.
Save the file and exit the editor.
Start the Mailcow installation by running the following command:
```
sudo docker-compose up -d
```
Wait for a few minutes for the installation to complete.
Verify that Mailcow is running by opening your web browser and going to https://yourdomain.com. Replace yourdomain.com with your FQDN.

Conclusion

In this tutorial, we have shown you how to install Mailcow on POP! OS Latest. Now that you have Mailcow up and running, you can start using it to manage your email, contacts, and calendars.