+ 'from' => $conf->config('invoice_from_name', $cust_main->agentnum ) ?
+ $conf->config('invoice_from_name', $cust_main->agentnum ) . ' <' .
+ $conf->config('invoice_from', $cust_main->agentnum ) . '>' :
+ $conf->config('invoice_from', $cust_main->agentnum ),