I know it&#x27;s practically a HackerNews trope by now to point this out, but this is a really poor name choice, given the abbreviation that they seem keen to use.  (I&#x27;m referring to <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Sender_Policy_Framework" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Sender_Policy_Framework</a> in case it&#x27;s not obvious.)