There are a number of resources available for qpsmtpd.

• HOWTO in Indonesian by Budi Ang

• Using Qpsmtpd on the O'Reilly Network by Matt Sergeant

• TechTarget SearchOpenSource series on fighting spam with qpsmtpd by James Turnbull
  • Part 1 - Installation
  • Part 2 - Configuration and plug-ins
  • Part 3 - MTA integraton and testing

• Post per Perl (German) by Michael Holzt
  • published in German magazine “iX”, issue 11/2006
  • can be downloaded as PDF from the above link for a EUR 0,60 fee

• Linux Journal - At the Forge
  • mentions qpsmtpd in the context of integrating e-mail

• Writing applications with Qpsmtpd by Fred Moyer
  • PDF file

• Pod::Wiki::DokuWiki.pm convert POD to dokuwiki
  • currently just a Pod::Simple derived module
  • usage: perl -MPod::Wiki::DokuWiki -e 'Pod::Wiki::DokuWiki→filter(”../svn/qpsmtpd/docs/faq.pod”)' | xclip