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According to Live Direct Marketing's daily DNS scan (July 13, 2026), sba.gov (Tranco rank #3,736) receives mail via Microsoft 365 and sends through HubSpot, Salesforce, Amazon SES. 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 | HubSpot, Salesforce, Amazon SES |
| SaaS senders in SPF | KnowBe4 |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; pct=100; rua=mailto:reports@dmarc.cyber.dhs.gov,mailto:DMARC-Reports@sba.gov; ruf=mailto:reports@dmarc.cyber.dhs.gov,mailto:DMARC-Reports@sba.gov; fo=1 |
| Tranco rank | #3,736 |
| Snapshot | 2026-07-13 (updated daily) |
sba.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.
sba.gov authorises HubSpot, Salesforce, Amazon SES in its SPF record as of July 13, 2026.
Yes — sba.gov publishes p=reject, the strictest DMARC policy (as of July 13, 2026).