Email is an open system, right? Anyone can send a message to anyone… unless they are on Gmail! School Interviews uses two email servers t…

  • The Doctor@beehaw.org
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    1 year ago

    Spammers were the first to adopt SPF, DKIM, and DMARC for their operations when they were first introduced. Monitoring a couple of “online mass marketing” forums was where a lot of us learned how to set it up ourselves, because spammers’ howtos were better than the documentation for any of those measures.