How to Install Roundcube Webmail on Ubuntu 20.04

How to Install Roundcube Webmail on Ubuntu 20.04

Roundcube is a web-based email client; an email client is a computer program that allows the user to read, write and manage their email. It runs on IMAP (Internet Message Access Protocol) which is a standard email protocol that allows the user to access email from anywhere, anytime. It stores emails on the server and enables the user to manage them as if they are stored on the user’s system. This helps the user in the organization and classification of different emails(This helps the user to organize and classify different emails into different folders).

In this how-to guide, we will discuss how to set up RoundCube on Ubuntu 20.04. But first, let us discuss the prerequisites required for installing Roundcube on Ubuntu 20.04.


We need to install MariaDB, PHP, and Apache before we install and set up Roundcube. So let’s begin with MariaDB server installation:

Step 1 – Installing MariaDB

Roundcube requires a database to store all the data of the user. This data includes emails, contact lists, and preferences.

MariaDB is a community-based open-source fork of MySQL which is available in the official repository of Ubuntu 20.04. It can help the user in creating the database to store all the data of Roundcube. To install MariaDB just use the apt command:

sudo apt install mariadb-server 

Once the process is completed, execute the following command to start MariaDB.

sudo systemctl start mariadb 

To enable the database server to start at every reboot of your system run the below-given command:

sudo systemctl enable mariadb 

Also, check the status to confirm whether the MariaDB service is active:

sudo systemctl status mariadb 

Check Mariadb Status for Roundcube Installation

Step 2 – Create Database for Rounecube

Now that MariaDB has been installed, next, we will create a database and a user for Roundcube. To do that first log in to the MariaDB shell as the root user:

sudo mysql -u root 

Login MariaDB for Roundcube Installation

Now run the following command to create the database. You can replace ‘roundcubedb’ with whatever you want to name your database:

> CREATE DATABASE roundcubedb DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci; 

Now, execute the following command to create a new user on the database:

> CREATE USER dbuser@localhost IDENTIFIED BY 'testpassword'; 

You can use whatever name and password you like instead of ‘dbuser’ and ‘testpassword’ respectively.

Next, we will grant all the privileges to the new user:

> GRANT ALL PRIVILEGES ON roundcubedb.* TO dbuser@localhost; 

Now for the changes to take effect use the following command:


Quit the shell by using one of the following commands:

> exit 

Step 3 – Installing PHP for Roundcube

Roundcube also requires PHP and its extensions as a prerequisite. So now we will install PHP using the below given command:

sudo apt install php7.4 php7.4-gd php7.4-common php7.4-json php-imagick php7.4-imap php7.4-xml php7.4-opcache php7.4-mbstring php7.4-curl php7.4-zip  php7.4-bz2 php7.4-intl 

Step 4 – Installing Apache Web Server

The last prerequisite we require before we start installing Roundcube is Apache.

Apache is a web server that will help us create a virtual host. You can use any major web server but for this demonstration, we will use Apache:

sudo apt install apache2 -y 

I already have the latest version installed on my system.

Now use the “systemctl” command to start and enable APACHE to start at every reboot:

sudo systemctl start apache2 
sudo systemctl enable apache2 

Also, check the status of the Apache service:

sudo systemctl status apache2 

Apache Status for Roundcube Installation

Now open the configuration file with nano editor to create a virtual host directory:

sudo nano /etc/apache2/sites-available/ 

Copy the following text into the configuration file. Remember to replace “” with your domain name:

  DocumentRoot /var/www/roundcube/
  ErrorLog ${APACHE_LOG_DIR}/roundcube_error.log
  CustomLog ${APACHE_LOG_DIR}/roundcube_access.log combined

    Options FollowSymLinks
    AllowOverride All

    Options FollowSymLinks MultiViews
    AllowOverride All
    Order allow,deny
    allow from all

After saving and exiting from the file use the following command to enable the virtual host:

sudo a2ensite 

As instructed by the a2ensite command now run the command given below to activate the new configuration:

sudo systemctl reload apache2 

Step 5 – Installing Roundcube on Ubuntu

Now that we are done with all the prerequisites required for Roundcube, we will go ahead and install the latest version of Roundcube.

At the time of writing this post, the latest version of Roundcube is 1.4.11. You can visit the download section of Rouncube’s official website and get the link to the latest version of Roundcube from there. It is recommended to get the link to the complete, stable version:


Now extract the downloaded tarball:

tar xvf roundcubemail-1.4.11-complete.tar.gz 

And move it to webroot /var/www/roundcube by using the command:

sudo mv roundcubemail-1.4.11 /var/www/roundcube

Make “www-data” the owner of the content directories so it can write data into these directories:

sudo chown www-data:www-data -R /var/www/roundcube

Now initiate the database by executing the following command:

mysql -u dbuser -p roundcubedb 

Now, open the on any computer over the same network or you can use localhost/installer in the web browser of the same computer where Roundcube is installed, and configure Roundcube according to your needs.

Roundcube installation Wizzard

Make sure all the recommended PHP extensions are installed. Then go to the bottom of the page, click NEXT.

Here you can customize your Roundcube installation and click CREATE CONFIG at bottom of the page.

Roundcube installation Step 2

You will see a message on the page as “The config file was saved successfully into /var/www/roundcube/config directory of your Roundcube installation.

The webmail is ready to be used now. Next, remove the installer before advancing any further.

sudo rm -rf /var/www/roundcube/installer 

Access the Roundcube login page at

Roundcube installation on Ubuntu 20.04

You have successfully installed and configured Roundcube webmail on your Ubuntu 20.04.


Roundcube is a very sophisticated webmail client that makes it easier for users to manage their emails. It offers cutting-edge email management features such as Plug-ins API, template system for custom skins, import/export functions, canned response templates, and IDNA and SMTPUTF8 support.

In this write-up, we focused on how to set up Roundcube on Ubuntu 20.04. If you like desktop clients like Outlook or Gmail then Roundcube is the right option for you.

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