Fix handling of message/rfc822 attachments on replies and forwards (#1490607)

Aleksander Machniak

2015-12-17 5579ef662197029afbf90d7bc2bfb5ba594475ac

 config/mimetypes.php

@@ -49,6 +49,8 @@
  'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
  'xps' => 'application/vnd.ms-xpsdocument',
  'rar' => 'application/x-rar-compressed',
  '7z'  => 'application/x-7z-compressed',
  's7z' => 'application/x-7z-compressed',
  'vcf' => 'text/vcard',
  'ics' => 'text/calendar',
);