SPF
From DWIKI
- http://en.wikipedia.org/wiki/Sender_Policy_Framework
- http://homepages.tesco.net/J.deBoynePollard/FGA/smtp-spf-is-harmful.html
FAQ
===Check SPF record of a host=== dig domain.com TXT
===SPF - Returned fail=== Misconfigured SPF record or spoofed "From" address