The Digital Handshake: Why SPF, DKIM, and DMARC are the Deliverability Trinity of 2026
In the early days of email, the internet was a friendlier, more trusting place. You could send an email claiming to be billgates@microsoft.com, and most receiving servers would simply accept it at face value. Those days are long gone. By 2026, the email landscape has been entirely reshaped by AI-driven filtering and sophisticated phishing attacks. […]