" Postfix is fast out of the box, but like other packages, you can usually tune it to work even faster. Furthermore, there are situations where Postfix may not perform as well as you expected, whether because of hardware or software limitations on the server system or other adverse conditions, such as a big influx of spam or undeliverable mail. This article shows you how to find and analyze the most common performance problems.
"We will first look at a few elementary tweaks that still may not be terribly obvious. Think of the suggestions here as a checklist for solving or avoiding simple problems..."
