How can I diagnose the root causes of an SPF permerror in my DNS records?

VEC (Vendor Email Compromise) attacks are increasing at an alarming rate. In fact, the manufacturing sector alone climbed 24% year-over-year between September 2023 and September 2024. In today’s situation, emails are being exploited as both a weapon and a gateway. Companies usually trust their vendors as they have been in business for years, and often…