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According to Live Direct Marketing's daily DNS scan (July 12, 2026), outreach.io (Tranco rank #11,620) receives mail via Microsoft 365 and sends through Zendesk, Marketo (Adobe), Freshworks Freshmarketer. 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 | Zendesk, Marketo (Adobe), Freshworks Freshmarketer |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:cofvk6yr@ag.dmarcian.com,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| Tranco rank | #11,620 |
| Snapshot | 2026-07-12 (updated daily) |
outreach.io uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
outreach.io authorises Zendesk, Marketo (Adobe), Freshworks Freshmarketer in its SPF record as of July 12, 2026.
Yes — outreach.io publishes p=reject, the strictest DMARC policy (as of July 12, 2026).