- Open Firefox.
- From the Tools menu, select Extensions.
- Double-click on Flashblock.
- Enter mail.google.com under Whitelist for Gmail.
- Enter www.google.com under Whitelist for iGoogle.
- Enter www.orkut.com under Whitelist for orkut.
- Click OK, and refresh your browser.
I'm using Flashblock. Why don't I hear sound notifications for incoming chats?
If you're using Flashblock, you won't be able to receive audio notifications for your incoming chats -- Flash must be enabled to hear notifications. You can adjust your settings in Flashblock if you'd like to use it in conjunction with Gmail. Here's how: