<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On 28 November 2016 at 14:16, David Beveridge <span dir="ltr"><<a href="mailto:dave@bevhost.com" target="_blank">dave@bevhost.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I recommend that instead of using the optional header "Subject", that you use a header that will always exist.<div>e.g.</div><div><br></div><div>/^Received:/ WARN<br></div></div></blockquote><div><br></div><div>Or whatever your approved DRIP specified would be kept, or perhaps what a suitably engaged lawyer tells you meets the requirements?</div></div></div></div>