For those of you using newly released Firefox 3, or willing to give it a try, you can take advantage of a new feature that lets you set Gmail as the default for all email links -- those that contain "mailto:" in them. If you're like me and don't have a default email client set up, then clicking these links typically launches an installation wizard for a destkop mail client, or opens some email software that you don't actually use

Check official Gmail blog to know how to