A common misconception about SPF

SPF looks at the bounce address of an email when doing its check.  (The bounce address is also referred to as the Return-Path, the MAIL FROM address, the envelope address, and in some circles, the RFC5321.MailFrom address.)  When SPF does its check, it will look for an SPF record using the domain found in the bounce address. DMARC attempts to correlate the results of checking SPF and DKIM with the domain found in a message's From: header.  It's the domain of…
30 November 2015