The Confused Mailman: Sending SPF and DMARC passing mail as any Gmail or G Suite customer :: EzhesDue to missing verification when configuring mail routes, both Gmail’s and any G Suite customer’s strict DMARC/SPF policy may be subverted by using G Suite’s mail routing rules to relay and grant authenticity to fraudulent messages. This is notably not the same as classic mail spoofing of yesteryear in which the From header is given an arbitrary value, a technique which is easily blocked by mail s
