--- class.t3lib_utility_mail.php.bak	2010-11-03 12:53:11 +0300
+++ class.t3lib_utility_mail.php	2010-11-03 12:54:31 +0300
@@ -65,6 +65,8 @@
 			foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/utility/class.t3lib_utility_mail.php']['substituteMailDelivery'] as $hookMethod) {
 				$success = $success && t3lib_div::callUserFunction($hookMethod, $parameters, $fakeThis);
 			}
+		} elseif (empty($additionalParameters)) {
+			$success = @mail($to, $subject, $messageBody, $additionalHeaders);
 		} else {
 			$success = @mail($to, $subject, $messageBody, $additionalHeaders, $additionalParameters);
 		}