DevOps

From p=none to Enforcement: A Working Sequence for DMARC Rollout

From p=none to Enforcement: A Working Sequence for DMARC Rollout DMARC adoption is easy to start and hard to finish. Publishing a policy record take…

Gmail bounced everything the relay sent: three broken auth mechanisms and a silent OpenDKIM

Short answer: Three independent mechanisms were broken at once, and fixing any one of them changed nothing visible. The domain had no v=spf1 record…

How to Test Your SPF Record for Common Mistakes (Step by Step)

Your SPF record looks correct. You added the include values your email provider told you to add. You saved the record. Emails are still landing in s…