sendmail Performance Tuning

Chapter 1. Introduction

There is a considerable amount of information available in print and on the Internet on the topic of configuring electronic mail systems running sendmail, but comparatively little information on how to tune these systems to handle anything except the most nominal amount of email traffic. Of course, as the most straightforward installation of sendmail and a Post Office Protocol (POP) daemon under UNIX on a commodity desktop box can easily accommodate more than 1,000 individual users and handle more than 100,000 modestly sized email messages per day, at many sites performance tuning of these systems isn’t critical. Nonetheless, as email rapidly becomes the preferred method for much of the communication that occurs in the ...