compauth=fail: Microsoft Composite Authentication Explained
Blog, Email Securitycompauth=fail in your email headers means Microsoft’s composite authentication rejected your message. Learn what it is, what each reason code means, and exactly how to fix it.
What is Email Forwarding? How It Works and Best Practices
Blog, Email SecurityEmail forwarding is simple to set up — but it silently breaks SPF, DKIM, and DMARC. Learn how forwarding works, why it causes delivery failures, and the best practices to prevent them.
DMARC RFC 9989, 9990 and 9991 officially replace RFC 7489
NewsDMARC is now official: RFC 9989, 9990 and 9991 replace RFC 7489
PowerDMARC Named Leader in DMARC Software for the 12th Consecutive Quarter in a Row
NewsDiscover how Digital Infinity IT Group, a South Africa-based MSP, simplified client DMARC and DKIM management with PowerDMARC.
Concilia Services Strengthens Recipient Trust with VMC via PowerDMARC
Success StoriesDiscover how Digital Infinity IT Group, a South Africa-based MSP, simplified client DMARC and DKIM management with PowerDMARC.
What Is a DKIM Selector and How to Manage It Across Multiple ESPs?
Blog, DKIMMicrosoft is phasing out NTLM authentication in three stages. Learn what the deprecation timeline means, why NTLM is a security risk, how to migrate to Kerberos, and what MSPs need to do now.
