Cyber Attacks
SPF Misconceptions: Why Your Records Fail and How to Fix Them
SPF validation stops at the final hop, leaving your domain vulnerable to spoofing once mail traverses third-party servers.
spf records
Everything Vector Bulletin has reported about spf records: 2 stories, newest first. Part of our Cyber Attacks coverage.
Cyber Attacks
Why is SPF so important for email security
SPF records prevent attackers from forging your domain name in the sender field, stopping many phishing attempts before they reach the inbox.