You can reach the upload screen using specified password that is given by the sender of the file.
If you are required to enter the password not to enter the Email address, you have to enter the password that is set by the sender of files. If you do not know the password, please ask sender of the Email.
Please enter the password that sender of this Email inform you, and click the [Send password] button.
Example: You get password by the Email from sender.