firefox send https://send.firefox.com/ https://send.firefox.com/ Encrypt it at your end, password protect it. Send the link to your recipient. They download i

firefox send https://send.firefox.com/ https://send.firefox.com/ Encrypt it at your end, password protect it. Send the link to your recipient. They download it and use the pre-agreed password (agreed over the phone with a known entity at the recipient - not over email).