First, the files you want to send are uploaded to one of several FileMail servers. Files are encrypted on the servers using a 128bit AES algorithm to ensure security and privacy. A small e-mail is delivered to the recipients, containing a short message from you and a hyperlink where the files can be downloaded. The recipients click the hyperlink in the e-mail, and are taken to the download page. After the specified number of days/number of downloads, the files are removed completely from the servers.