I'm having a problem trying to download the "The Perfect Server - Ubuntu 14.04 (nginx, BIND, MySQL, PHP, Postfix, Dovecot and ISPConfig 3)" pdf document. Is there a way to have it emailed to my email on this account? The subscription is current. I've tried it on 3 different computers at 3 different locations. It keeps getting hung up and won't let me download it.