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DKIM, DMARC, and the Great Migration: Lessons from Moving to Google Mail Servers
When I first started setting up Google Workspace at my company, I thought, “How hard could it be?” You set up some records, test the inbox, and voilà right? Well… not quite. It turns out email authentication can feel like decoding a secret language: DKIM, DMARC, SPF, all talking about who can send what, from
