On Sat, Jul 11, 2015 at 12:05 AM, Skip Montanaro <skip.montanaro at gmail.com> wrote: > I'm not sure about X-No-Html. A quick Google search for that header returned > nothing useful. Yeah. At best it seems redundant - "Hey look, there's no HTML in this message!" - but I suspect it's mainly bragging "I can add headers to my posts". ChrisA