...
The only required field is “Recipient’s e-mail” to whom the e-mail request will be sent. If the recipient clicks on the link in the email, a form similar to the one in the section Anonymous upload of a file package will open. The recipient of the request thus becomes the sender of the package.
...
After opening the link above, the following form for uploading a package will be displayed:
...
Unlike Anonymous upload of a file package, the following is no longer filled in here:
...