postfix-policyd-spf-python 0.8.1-2build1 (powerpc binary) in ubuntu precise

 postfix-policyd-spf-python is a full featured Postfix SMTPd policy engine for
 SPF checking. It includes a variety of whitelisting mechanisms and policy
 options to enable it to support the widest variety of system requirements.
 It is implemented in pure Python and uses the python-spf module. The SPF
 web site is http://www.openspf.org/.