Brain Goo

Qmail smtproutes can only handle one route per egress domain name.
Example:
example1.com:10.0.0.1
example1.com:10.0.0.2
Will send mail only to 10.0.0.1 The second entry will be ignored.
You are better off using round-robin DNS or submitting a patch to handle priority routing.
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The qmail Handbook
qmail
Running qmail

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http://www.5dollarwhitebox.org/wiki/index.php/Projects_Linux_Jumpstart_Server
Very comprehensive tutorial on setting up a Solaris Jump Start server on Debian Linux (works on pretty much any Linux distro)

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