Gmail and Outlook delivery diagnostic record
Dyasol · 2026-09-13

Working template. Adapt to the agreed scope. Store evidence references, not credentials.

1. Sending system / sending domain / receiving service:


2. Message ID / timestamp / delivery-status code or junk placement:


3. Original header reference / personal data removed before sharing:


4. Visible From domain / SPF identity and result / DKIM domain and result / DMARC alignment:


5. Affected routes / unaffected comparison / available reputation data:


6. Hypothesis / approved bounded change / owner / rollback:


7. Follow-up sample / observed outcome / remaining uncertainty:


https://dyasol.com/business-email-spam-check