Rarefile comes in handy when you try to send a large file which is not possible with email.
You also can store or back your data/file online and,
share or download them any time, from anywhere and whenever you need them.
Rarefile.net have much higher limits for fair usage policy(FUP):
Free users: 5GB/5Days
Registered users: 10GB/5Days
Premium Users: >250GB/5Days with >50 simultaneous connections.
For more information you can visit their FAQ