diff --git a/externals/phpmailer/class.phpmailer-lite.php b/externals/phpmailer/class.phpmailer-lite.php
--- a/externals/phpmailer/class.phpmailer-lite.php
+++ b/externals/phpmailer/class.phpmailer-lite.php
@@ -1980,7 +1980,6 @@
       'mov'   =>  'video/quicktime',
       'avi'   =>  'video/x-msvideo',
       'movie' =>  'video/x-sgi-movie',
-      'doc'   =>  'application/msword',
       'word'  =>  'application/msword',
       'xl'    =>  'application/excel',
       'eml'   =>  'message/rfc822'
diff --git a/externals/phpmailer/class.phpmailer.php b/externals/phpmailer/class.phpmailer.php
--- a/externals/phpmailer/class.phpmailer.php
+++ b/externals/phpmailer/class.phpmailer.php
@@ -2118,7 +2118,6 @@
       'mov'   =>  'video/quicktime',
       'avi'   =>  'video/x-msvideo',
       'movie' =>  'video/x-sgi-movie',
-      'doc'   =>  'application/msword',
       'word'  =>  'application/msword',
       'xl'    =>  'application/excel',
       'eml'   =>  'message/rfc822'