+ if ($origin = @$_SERVER['REMOTE_ADDR']) {
+ if ($resolved = @gethostbyaddr($origin) and $resolved !== $origin) {
+ $origin .= sprintf(' (%s)', gethostbyaddr($origin));
+ }
+ $header .= "\r\nReceived: from $origin by $domain{$config['url']}; ".date('r');
+ }
+