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How Email List SPF Records Stop Spoofing Attacks

How Email List SPF Records Stop Spoofing Attacks

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Email deliverability isn't just about good content—it's about authentication. In this episode, Lucas and Luna dive into SPF (Sender Policy Framework) records, the first line of defense against email spoofing. They walk through a real example: a small e-commerce brand whose newsletters were landing in spam because their SPF record misconfigured. Lucas explains how SPF works by listing authorized sending IPs, what happens when you miss a third-party sender like Mailchimp or Salesforce, and the surprising stat that 23 percent of Fortune 500 companies still have invalid SPF records as of 2025. Luna shares a cautionary tale from her consulting days: a client's domain got blacklisted after spoofers used their unauthenticated domain to phish customers. They also cover the interplay with DKIM and DMARC, why a soft fail vs. hard fail matters, and a quick checklist for marketers to audit their own setup. No fluff, just the technical step that can save your sender reputation. #EmailMarketing #EmailDeliverability #SPFRecords #SenderPolicyFramework #EmailAuthentication #DKIM #DMARC #Spoofing #Phishing #SenderReputation #MarketingPodcast #BusinessPodcast #FexingoBusiness #TechForMarketers #EmailSecurity #OpenRates #ListGrowth #SubscriberTrust Keep every episode free: buymeacoffee.com/fexingo
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