Return-Path: <one@foo.com> From: One <one@foo.com> To: team@bar.com Cc: two@foo.com, three@foo.com Subject: Testing email threading Date: Fri, 15 Jan 2016 00:12:43 +0100 Message-ID: <34@foo.bar.mail> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit This is email reply **1**.