There is no need to put it up in public!
Only conitec needs to know anything about this - to have a look into it - to get an idea where the problem lies!
Upload and send the link by email or sending it direct by email is only a matter of the _size_ of your project.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt