4 ms·

What would you have used?

• inetknght 3y ago
  I would have implemented DKIM and SPF.
  • weird-eye-issue 3y ago
    Great. But that doesn't solve this particular problem. Why do you think every legit ESP makes you do domain level validation using a custom TXT record?
    • iamacyborg 3y ago
      The only reason most do that is to enable branded tracking links.
      • weird-eye-issue 3y ago
        You are thinking of CNAMEs, and no, it isn't related.