Set Web e-mail as default Firefox e-mail
In olden days, when you clicked on an e-mail link in your browser, it had to have an e-mail client to launch. That method doesn't work if you use a service such as Gmail or Yahoo Mail as your main account.
Firefox 3 to the rescue. Watch our video on how to do this tip, then come back here for the written steps.
Go to Tools and options (Firefox and Preferences on a Mac).

Choose Applications.
Search "mailto".
In the drop-down menu Choose Yahoo Mail.
What? You don't use Yahoo Mail? Thanks to Lifehacker.com for publishing the instructions for how to use Gmail.
Open your Gmail in Firefox.
You'll need this string of code to enter.
javascript:window.navigator.registerProtocolHandler("mailto","https://mail.google.com/mail/?extsrc=mailto&url=%s","GMail")
Press add application.
And now when you click an e-mail link, it will ask you which Web mail program you'd like to use.
Get a few more non-video Firefox tips at Webware.com.- Topics:
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Firefox 3,
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e-mail,
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Web e-mail,
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Gmail,
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Yahoo mail
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javascript:window.navigator.registerProtocolHandler("mailto","https://mail.google.com/mail/?extsrc=mailto&url=%s","GMail")
Okay... that didn't work, too long, text didn't wrap around. There's two parts of that line of code, first part is easily visible, and is:
javascript:window.navigator.registerProtocolHandler
The line continues, with no spaces, with the following text:
("mailto","https://mail.google.com/mail/?extsrc=mailto&url=%s","GMail")
- choose other ,it opens a windows application folder ,
- and I choose thunderbird it comes up in the mail to window ,
- I click email link in a webpage ,nothing happens
Brian
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by johnnyzero
July 2, 2008 8:59 AM PDT
- I went through quite a bit of effort to make FF3's Mailto-related functions work correctly with the "new" Yahoo Mail Classic. I finally ended up using an extension called Webmail Compose to make it work. Everything works great, except Firefox's Send Link function.
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1 | 2 | Next 10 Comments >>Anyway, in the process I deleted the Yahoo Mail protocol handler (not needed, since Webmail Compose intercepts any MailTo functions), and I suspect this is why Send Link doesn't work.
I'd like to restore that protocol handler, but I can't figure out how to do that. I tried re-installing FF3, since I'm pretty sure the Yahoo Mail protocol handler is "bundled" with it. I also tried installing Yahoo Toolbar, thinking that might re-install the protocol handler. No go...
If anyone can go into their about:config file and let me know the values for that protocol handler, I should be able to use registerProtocolHandler to restore it.
Any help will be much appreciated.
JohnB