I have a created a rule for this. You can add this rule in /etc/cpanel_exim_system_filter.
if error_message and $header_from: contains “Mailer-Daemon@”
Please note: This will automatically removed after the next cpanel update or exim update so you need to set attribute for this file.
chatter +i /etc/cpanel_exim_system_filter
All bounced emails forwarded to another email account