In Firefox
- At the top of the Firefox click on the Tools menu, and select Options…Applications….
- Scroll down until you see the Content-type: mailto and select it.
- Actions column in the mailto row, you will see option, select Gmail
- Click OK
In Internet Explorer
- Download the free Gmail Notifier
- Once installed, you will see a little envelope down in the system tray (lower right)
- Right-click the envelope and choose option
- Check the box that says “Use Gmail for Internet mailto: links
- Click OK