Index: branches/5.2.x/core/kernel/utility/email_send.php
===================================================================
diff -u -N -r15445 -r15461
--- branches/5.2.x/core/kernel/utility/email_send.php	(.../email_send.php)	(revision 15445)
+++ branches/5.2.x/core/kernel/utility/email_send.php	(.../email_send.php)	(revision 15461)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: email_send.php 15445 2012-07-13 16:44:00Z alex $
+* @version	$Id: email_send.php 15461 2012-07-18 14:18:30Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -684,17 +684,29 @@
 				"<",
 				">",
 				" ",
-				chr(161),
-				chr(162),
-				chr(163),
-				chr(169),
-				"chr(\\1)"
+				$this->_safeCharEncode(161),
+				$this->_safeCharEncode(162),
+				$this->_safeCharEncode(163),
+				$this->_safeCharEncode(169),
+				"\$this->_safeCharEncode(\\1)"
 			);
 
 			return strip_tags( preg_replace ($search, $replace, $html) );
 		}
 
 		/**
+		 * Returns symbols, that corresponds given ASCII code and also encodes it into proper charset
+		 *
+		 * @param int $ascii
+		 * @return string
+		 * @access protected
+		 */
+		protected function _safeCharEncode($ascii)
+		{
+			return mb_convert_encoding(chr($ascii), $this->charset, 'ISO-8859-1');
+		}
+
+		/**
 		 * Add text OR html part to message (optionally encoded)
 		 *
 		 * @param string $text part's text