How to enable RoundCube spell check functionality

Introduction

This article provides the steps to enable Roundcube's spell check functionality.

Procedure

1. Access the server's command line as the 'root' user via SSH or "Terminal" in WHM.
2. Backup the default Roundcube configuration file.

   cp -av /usr/local/cpanel/base/3rdparty/roundcube/config/config.inc.php{,.$(date +%s)}

3. Open /usr/local/cpanel/base/3rdparty/roundcube/config/config.inc.php in your preferred text editor.
4. Locate the $config['enable_spellcheck'] line.

   // Make use of the built-in spell checker. It is based on GoogieSpell.
   $config['enable_spellcheck'] = false;

5. Change the value to true.

   // Make use of the built-in spell checker. It is based on GoogieSpell.
   $config['enable_spellcheck'] = true;

6. Save the changes and exit the text editor.