{
    my $smtpfwdd = $DB->get('smtpfwdd');
    my $mailfront = $DB->get('smtpfront-qmail');
    if ($smtpfwdd)
    {
        $mailfront ||= $DB->new_record('smtpfront-qmail', { type => 'service'} );
        foreach my $prop (qw(status filter))
        {
            my $value = $smtpfwdd->delete_prop($prop);
            $mailfront->merge_props($prop => $value);
        }
        $smtpfwdd->delete;
    }
    if ($mailfront)
    {
        my $filter = $mailfront->prop('filter');
        if ($filter)
        {
            $mailfront->merge_props(
                ExternalInterfacesFilter => $filter,
                InternalInterfacesFilter => $filter,
            );
            $mailfront->delete_prop('filter');
        }
    }
}
