I am looking for a file sharing program to install on my dedicated server that will allow me to upload large MP3 files and allow my clients to download them. these files are recordings of counseling sessions for families who are seeking help for their children.

What I am looking for is similar to the system this company uses www.yousendit.com/Share-Large-Files.

What about FTP, or rather SFTP (ftp with encryption). You could create user accounts with passwords, various directories for upload and download and you can do things like have uploads go to one location and aren't able to be downloaded until you moderate them and move them to the proper folder. FTP shouldn't give you any issues with large files either.

thank you for your reply, those would work when I am dealing with computer savvy people. many of the people I work with have a limited understanding of computers. I would like a system like http://www.yousendit.com/Share-Large-Files where I can upload the files to my dedicated server, then send them a link to the file That will allow them to download the file simply by putting in their e-mail address as a password.
I have an utilized FTP with some of my clients, but with others it becomes a problem for them and me because I end up spending far too much time explaining to them how to utilize a particular service.

Regards Michael

May I ask how large? You may be able to simply use Apache with directory indexing and point them to a URL for downloading. I am not sure what the limitation is, assuming there is one I am sure it is configurable. I believe that Apache also has a file upload plugin: http://commons.apache.org/fileupload/

I'd just make a cd or dvd and send it. That way you comply with privacy and protection of personal data issues.

I email links to a web server.

You really need to consider sending them a usb,cd, or floppy with a security key on it. It will be hard to comply with security otherwise. You need to have the data encrypted on your server.