How to Install Mailcow on Ubuntu Server

In this guide, we will be installing Mailcow, an open-source mail server that is designed to manage email accounts using open standards like DKIM, DMARC, and SPF.

Prerequisites

Before starting, ensure that you have the following prerequisites:

  • Ubuntu Server (latest version)
  • Domain Name
  • Root Access or sudo access
  • Docker and Docker-compose installed

Step 1: Update and Upgrade the Server

Open a terminal and type the following command to update and upgrade the Ubuntu server:

sudo apt update && sudo apt upgrade -y

Step 2: Install Git

Git is required for the installation of Mailcow. Type the following command in the terminal:

sudo apt install git

Step 3: Clone Mailcow Repository

To clone the Mailcow repository, run the following command:

sudo git clone https://github.com/mailcow/mailcow-dockerized.git

Step 4: Start the Installation

Navigate into the Mailcow's cloned directory using cd commands:

cd mailcow-dockerized

Next, download and install the Mailcow's configuration files using the following command:

sudo ./generate_config.sh

Step 5: Mailcow Configuration

Once you run the above command, it will ask you to set up mailcow's configuration. Follow the instructions carefully to set up the required configuration.

Step 6: Start Mailcow Services

Once the configuration is complete, run the following command to start the Mailcow services:

sudo docker-compose up -d

Step 7: Check the Status of Mailcow Services

To check the status of the Mailcow services, run the following command:

sudo docker-compose ps

Step 8: Access Mailcow Web Interface

Once the installation of Mailcow is complete, you can access the Mailcow web interface by visiting the following URL in your web browser:

https://<your-domain-name>/mail/

Replace your-domain-name with your actual domain name.

Log in using the default credentials:

Username: admin Password: moohoo

Conclusion

In this tutorial, we covered the steps required to set up Mailcow on an Ubuntu server. Congratulations! You now have a fully functional mail server up and running!