A classic O'Reilly title since 1993, sendmail now covers Versions 8.10 through 8.14 of this email routing program, including dozens of new features, options, and macros. This edition also takes a more nuts-and-bolts approach than its predecessors. It includes both an administration handbook and a reference guide that provide you with clear options for installing, configuring and managing sendmail's latest versions and companion programs.
Bryan gives an overview of the book:
King Gordius of Phrygia once created a knot so tangled that no one could undo it. The Gordian knot stayed tangled, or so the story goes, until Alexander the Great came along and took a different approach to untying the knot. With a sweep of his sword, he parted the great knot once and for all.
It would be nice if the knot that is sendmail could be undone with one quick stroke of fresh insight, but, alas, it cannot. Instead, a more mundane approach must be taken, so in this book we untie the hard way, one strand at a time.
But, you might ask, "Why the effort? Doesn't sendmail predate the dawn of computing time? Hasn't the time come to replace sendmail with something new, something better, something modern?" Not so. Age has brought sendmail maturity and reliability. The sendmail program has withstood the test of time because it is more than just a program, it is a philosophy: a general-purpose, internetwork mail-routing facility with the flexibility and configurability to solve the mail-routing needs of all sites large or small, complex or simple.
Bryan Costales wrote the very successful "sendmail" (the bat book) for O'Reilly Media, recently published his novel "Jo", and and lives in the sunny South Beach area of San Francisco where he dabbles in photography and earns a living as an email expert.