This book is a quick starter for people wanting to set up a mail server using qmail, a secure, reliable, efficient, simple message transfer agent. Designed for internet-connected UNIX hosts, qmail is the second most common SMTP server on the Internet, and has by far the fastest growth of any SMTP server. Its straight-paper-path philosophy guarantees that a message accepted into the system will never be lost. It also supports maildir, a new, super-reliable user mailbox format. Targeted at System Administrators who need to set up qmail, this book gives practical examples ready for immediate...