How to enable debug logging for Roundcube webmail on Plesk for Linux?

Question

How to enable debug logging for Roundcube webmail on Plesk for Linux?

Answer

1. Log into the server via SSH.
2. Using the vi text editor open the/usr/share/psa-roundcube/config/config.inc.php file.

3. Add the values below and save changes:

   CONFIG_TEXT: // Log SQL queries
   $config['sql_debug'] = true;
   
   // Log IMAP conversation
   $config['imap_debug'] = true;
   
   // Log LDAP conversation
   $config['ldap_debug'] = true;
   
   // Log SMTP conversation
   $config['smtp_debug'] = true;

    

   Note: Debugged logs can be found under /var/log/plesk-roundcube/*.
   All available debug options can be found in /usr/share/psa-roundcube/config/defaults.inc.php in LOGGING/DEBUGGING section.