If you're still dealing with issues sharing files over email, then Share By Link is a great solution. It's extremely simple to share: Just right-click a file, share it, and paste in the sharing link. Share By Link is completely free.
Forget limits on attachment sizes or other drawbacks. Share By Link's link-based file sharing means you can overcome the limitations of your email system.
Simon Lightstone is a programmer, blogger and contributor to the ShareByLink project.