(tblock->body_only ? topt_no_headers : 0) |
(tblock->headers_only ? topt_no_body : 0) |
(tblock->return_path_add ? topt_add_return_path : 0) |
(tblock->body_only ? topt_no_headers : 0) |
(tblock->headers_only ? topt_no_body : 0) |
(tblock->return_path_add ? topt_add_return_path : 0) |