S-MAIL
15 checksMail Domain Policy Inspector
Check support and limits
Review this tool’s permission, browser support, and network requirements before running it.
Inspect public SPF, DKIM, DMARC, MTA-STS, TLS-RPT and BIMI policies.
The public URL or domain is sent to this VM for inspection. Targets and results are not retained; request count, duration and response size are bounded.