This article is the third in <A HREF="http://www-128.ibm.com/developerworks/lotus/library/domino7-enterprise-performance/index.html?ca=drs-">a series dedicated to performance improvements</A> measured with Domino 7. The first article, "Lotus Domino 7 server performance, Part 1: Lotus Notes client workloads," talked about standard Domino mail performance. The second article, "Lotus Domino server performance, Part 2: Domino 7 performance for Domino Web Access users," discussed Domino HTTP performance results observed with simulated Domino Web Access users. This article is focused on a new benchmark called Enterprise Mail. This benchmark simulates Notes users in an enterprise environment.