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Set Gmail as your email client in Firefox

July 5th, 2008

First, you will have to enable registration of protocol web handlers from different domains.

* Enter about:config in the location bar and press Enter to access the advanced preferences.
* Look for gecko.handlerService.allowRegisterFromDifferentHost and double click it to set it to true.

Now click in the link below to add Gmail as a mailto: links handler.

Add Gmail as a mailto handler

You will be prompted with a confirmation info bar. Press Add Application.

You can now select Gmail as your mailto links handler from the Application page in the Options dialog.

Now when you click on mailto: links a new tab with a Gmail compose window will open. You can also or click on Send Link… in the File menu to send the current page address and title.