added check for FALSE and NULL for servers who have popen listed in php.ini's disable_functions.  $fp cannot be trusted on those retarded servers
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 154a30f..db30ad4 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -94,6 +94,7 @@
 	<li>Fixed a fatal error in the Oracle and ODBC drivers (#6752)</li>
 	<li>Fixed a bug where Database Forge's add_column and modify_column were not looping through when sent multiple fields.</li>
 	<li>Fixed a bug where the File Helper was using '/' instead of the DIRECTORY_SEPARATOR constant.</li>
+	<li>Fixed a bug to prevent PHP errors when attempting to use sendmail on servers that have manually disabled the PHP popen() function.</li>
 </ul>
 
 <h2>Version 1.7.1</h2>