- 'from' => $conf->config('invoice_from'),
- 'to' => [ grep { $_ ne 'POST' } $cust_bill->cust_main->invoicing_list ],
- 'subject' => 'Invoice',
- 'body' => [ $cust_bill->print_text ],
+ $cust_bill->generate_email(
+ 'from' =>
+ ( $cust_bill->_agent_invoice_from || $conf->config('invoice_from') ),
+ 'template' => $template,
+ )