Dr Paul Dowland has first-hand, practical experience of administering and securing e-mail services in his role supporting the Centre for Security, Communications and Network Resear...view moreDr Paul Dowland has first-hand, practical experience of administering and securing e-mail services in his role supporting the Centre for Security, Communications and Network Research at the University of Plymouth, as well as teaching both network- and application-level security principles and practice at undergraduate and postgraduate levels. He has also authored/edited more than 70 publications including 34peer-reviewed papersin journals and international conferences.view less