On Mon, 2006-04-24 at 11:19 +0100, Julian Field wrote: > On 24 Apr 2006, at 09:02, Martin Hepworth wrote: > Can someone tell me more about the change in the Exim header file? Try at http://www.exim.org/exim-html-4.61/doc/html/spec_html/ch52.html especially the green sections