What is BIMI?
Learn BIMI requirements, logo certificate options, and when BIMI is worth implementing.
Email Authentication Guides
Practical guides to SPF, DKIM, DMARC, and BIMI for IT admins and MSPs.
What is DMARC?
A practical DMARC guide covering policies, reporting, and deployment strategy for real teams.
What is SPF?
Understand SPF basics, syntax, and common pitfalls so your authorized senders pass checks.
What is DKIM?
Learn how DKIM signing works, what breaks signatures, and how it supports DMARC alignment.
DMARC Monitoring
How DMARC aggregate and forensic reports work, and what a monitoring tool actually does for you.
SPF Flattening
When SPF flattening is the right fix for the 10-lookup limit and when it creates new problems.
DMARC pct Rollout
A safe, staged DMARC enforcement rollout using the pct tag without nuking legitimate mail.
PCI DSS and DMARC
How PCI DSS 4.0.1 treats DMARC and what auditors actually want to see.