Qmail is well supported by its online community of users. Here are some places to look.
There are several excellent sources of qmail information online.
Dan Bernstein’s web site, the official source for qmail and all of his ad-on packages.
Russ Nelson’s qmail resource site, intended to have links to all of the other resources on the Web.
The author’s companion site for this book, containing scripts, updates and corrections, links to other resources, and ordering info for more copies.
Dave Sill’s Life with qmail, an online guide to setting up and using qmail. It offers specific advice about where to install qmail, and where to put all of the files and directories that qmail needs. This is by far the most widely used setup and the one that qmail experts are the most familiar with, so it’s the one you should use. The file and directory locations used in this book are consistent with these.
Henning Brauer’s Life with qmail-ldap, a guide to setting up qmail-ldap. Indispensable for qmail-ldap users.
The home page for the ezmlm-idx mailing list manager, with software and documentation.
Russ Nelson’s site for Dan Bernstein’s djbdns, a DNS package that relates to BIND roughly as qmail relates to sendmail. Not required for qmail, but if you’re setting up a DNS server along with your ...