We had an email today from a listener who was looking for a way to access his Thunderbird (email program) from Mozilla Firefox. This is a feature that was found in previous versions of Firefox but is strangely absent from Firefox 2.0.
We found a nice little extension that resolves this problem .
This extension brings back the email button that was an option for your Firefox toolbar. Clicking this button invokes whatever your default email program happens to be.
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I get a 404 error message.
The original Firefox add-on we had linked dropped from some reason. I have re-linked a new extension that will create the button you are looking for to access your email program.