sendmail Performance Tuning

Chapter 8. Load Generation and Testing

There are a great many variables to account for in building and tuning a highperformance email server. Because of the many variables and because much of the information available from hardware and software vendors cannot be easily incorporated into a model that will accurately predict the real-world capacity for any configuration, the only way to gain any confidence in how much email a server can process is to set it up and see how it performs in practice.

Obviously, several problems arise with this strategy. First and most important, no matter how much preparation and planning one does, very real risks will always arise in replacing one operating server that holds critical data with another server. Moving ...