"The Book of IMAP: Building a Mail Server with Courier and Cyrus, by Peer Heinlein and Peer Hartleben, is a quality resource for any serious mail administrator. The approach taken is direct, but at the same time it's very expansive, setting this book apart from most others I have read."
—Ryan Masters, OS News (Read More)

"The Book of IMAP is really a how-to guide for anyone wanting to build not just an IMAP server, but one that delivers a high-performance, high-reliability service [...] Highly recommended."
—Mark Gibbs, Gearhead (Read More)

"To summarize, the book is a useful and thoroughly technical read for the mailserver administrator working on IMAP or related professionals wanting to know more about this opensource mailserver technology."
—Ganadeva Bandyopadhyay, Desicritics.org (Read More)