Latest release: 0.40 (June 11, 2007)
Previous release: 0.32 (February 26, 2006)
See the Change log
You can also get qpsmtpd with Subversion (svn):
# Development branch: svn co http://svn.perl.org/qpsmtpd/trunk qpsmtpd
You can browse the Subversion repository.
qpsmtpd as checked out from CVS has been used for the primary perl.org mail servers since 2001. apache.org and lists.mysql.com are also using qpsmtpd for their mail services. A happy user wrote and told that qpsmtpd is rejecting several hundred thousand spams a day on his server.