As much as I know, if you're using a free email service you can't send files that are over 1 MB or so (Then again perhaps that was for recieving, my memory fails me). My best suggestion is get a friend who has better internet connection to upload it on a FTP account or email from there.
This thread would best belong in the Feedback Forum (
http://www.lucasforums.com/forumdisplay.php?s=&forumid=332).
(Will see if I can move it there...)