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Pine
If the feature is enabled, you simply press "H" to toggle full headers.
If the feature is not enabled, you must enable it first: From the main menu,
press (S)etup, (C)onfig. Scroll down about 40 lines to the option labeled
"enable-full-header-cmd." Press [ENTER]. Press (E)xit, (Y)es - to save.
Then you can return to the message window and use "H" to display the headers.
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