--54862588 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit here, the cheats --54862588 Content-Type: application/x-zip-compressed; name="mails.zip" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="mails.zip" UEsFBgAAAAAAAAAAAAAAAAAAAAAAAA== --54862588--