| (tblock->headers_only ? topt_no_body : 0)
| (tblock->return_path_add ? topt_add_return_path : 0)
| (tblock->delivery_date_add ? topt_add_delivery_date : 0)
| (tblock->headers_only ? topt_no_body : 0)
| (tblock->return_path_add ? topt_add_return_path : 0)
| (tblock->delivery_date_add ? topt_add_delivery_date : 0)