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According to Live Direct Marketing's daily DNS scan (July 13, 2026), cpsc.gov (Tranco rank #7,398) receives mail via Microsoft 365 and sends through Mailgun. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Microsoft 365 |
|---|---|
| ESPs in SPF | Mailgun |
| SaaS senders in SPF | KnowBe4 |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:reports@dmarc.cyber.dhs.gov,mailto:dmarc@cpsc.gov |
| Tranco rank | #7,398 |
| Snapshot | 2026-07-13 (updated daily) |
cpsc.gov uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
cpsc.gov authorises Mailgun in its SPF record as of July 13, 2026.
Yes — cpsc.gov publishes p=reject, the strictest DMARC policy (as of July 13, 2026).