Index: kernel/utility/email.php
===================================================================
--- kernel/utility/email.php	(revision 15908)
+++ kernel/utility/email.php	(working copy)
@@ -231,7 +231,14 @@
 		$this->_changeLanguage(false);
 
 		// 1. set headers
-		$message_headers = $this->_getHeaders();
+		try {
+			$message_headers = $this->_getHeaders();
+		} catch (Exception $e) {
+			trigger_error('Error parsing e-mail message headers', E_USER_WARNING);
+
+			return false;
+		}
+
 		$message_subject = isset($message_headers['Subject']) ? $message_headers['Subject'] : 'Mail message';
 		$this->sender->SetSubject($message_subject);
 
@@ -256,9 +263,15 @@
 		}
 
 		// 3. set body
-		$html_message_body = $this->_getMessageBody(true);
-		$plain_message_body = $this->_getMessageBody(false);
+		try {
+			$html_message_body = $this->_getMessageBody(true);
+			$plain_message_body = $this->_getMessageBody(false);
+		} catch (Exception $e) {
+			trigger_error('Error parsing e-mail message body', E_USER_WARNING);
 
+			return false;
+		}
+
 		if ( $html_message_body === false && $plain_message_body === false ) {
 			trigger_error('Message template is empty (maybe after parsing).', E_USER_WARNING);