What are the Send link and the Receive files options?
In Koofr you can create two types of links for sharing. The Send link and the Receive files link. The Send link enables third parties to download files/folders from your Koofr, even if they are not Koofr users. The Receive files link enables third parties to upload files/folders from their devices to your folder in Koofr even if they are not Koofr users. Read more about sharing files/folders in How can I share a file? and How can I share a folder?.