The York Dropbox can be used to send large files.  All you need is a web browser and a Passport York account.

1. Go to dropbox.yorku.ca
2. Click Choose File and select the file to send from your computer
3. Enter the email addresses beside Recipient(s) Email
4. Click Upload File and Send Notification

Note: Do not close your browser until the file upload has completed.

Tip: If the recipient is not expecting the file, you can have the notification sent to yourself, and then send the link you get to the recipient with an explanatory email.