GMail is one of the hot favorite e-mail services. Now you can set GMail as your default mail client in Firefox3. The best part is you don’t need any special toolbars, third-party apps, Greasemonkey scripts, or extensions.

Whenever you click on the mailto: link, it will automatically launches GMail. First Lifehacker has come up with detailed tutorial on how to Set Firefox 3 to Launch Gmail for mailto Links then GMail Blog has reported the same with their own Tip to Set GMail as your default email client in Firefox 3. If you are using Firefox2 or any other browsers you cannot do this. This hack works only with Firefox3.