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Mozilla Browser FAQ

Last updated on November 3, 2004.

How do I make mailto links open in my system default mail client, rather than the Mozilla mail client?

Add the following line to your user.js file:

user_pref("network.protocol-handler.external.mailto", true);

Or you can enter about:config in the location bar.
Add the Boolean preference network.protocol-handler.external.mailto.
Set the value to true.

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