Collaborative online workspaces like usually offer public and private folders for users. In the case of HyperOffice, sharing a file is as easy as right-clicking and moving or copying it from a private folder to a shared folder.

If you administrate your own e-mail or Web server and have regular needs for large file transfers, you may want to setup an FTP server and do your transfers in-house.

All Web servers have an FTP server included and they aren't terribly hard to set up. You need only a folder or two on the server, specify the security measures each users must jump through, and your file transfer problems are solved.

The best FTP client I know of is WS_FTP from . Check download area for free and trial versions of FTP software from dozens of programmers. Client based software tools are great for more knowledgeable users who transfer large files regularly.

Stop fighting e-mail and trying to make it do something it can't -- transfer large files. Check online for free and inexpensive options, or break our your old tennis shoes and revive SneakerNet.