On 16/05/25, Kurt Hackenberg (k...@panix.com) wrote: > On Fri, May 16, 2025 at 04:30:53PM +0100, Rory Campbell-Lange wrote: > > > I assume the "Content-Length" (and possibly also "Lines"?) was, as Kurt > > suggests, a way of efficiently reading emails out of a larger mbox file. > > No. It was invented so it wouldn't have to do ">From " escaping, which > damages messages.
That's very clear and helpful. Thanks!