Index: branches/RC/core/kernel/utility/email_send.php
===================================================================
diff -u -r11347 -r11348
--- branches/RC/core/kernel/utility/email_send.php	(.../email_send.php)	(revision 11347)
+++ branches/RC/core/kernel/utility/email_send.php	(.../email_send.php)	(revision 11348)
@@ -562,6 +562,11 @@
 		 */
 		function SetEncodedEmailHeader($header, $address, $name)
 		{
+			if ($header == 'To') {
+				// in case, when header is set directly
+				$address = $this->_replaceRecipientEmail($address);
+			}
+
 			$this->SetHeader($header, $this->QuotedPrintableEncode($name, $this->charset).' <'.$address.'>');
 		}