Secure document exchange in the cloud without sending an email
What if you want to share a list of australia whatsapp phone numbers document with just one user? Most users send it as an attachment to an email or with a downloadable hyperlink service, such as WeTransfer . This can be very dangerous. Mailfence offers you two safe options:
You can create a new group that only contains this other user, plus yourself. However, this might be a bit overkill if you only need to share that one document with the user.
You can use the “Inbox Folders” feature.
Document sharing | Mailfence - Secure and private email service

This feature allows you to send/deposit the document to the other user's account, without it ever leaving our servers. And without having to violate the privacy of other users. It's like an inbox for documents.