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According to Live Direct Marketing's daily DNS scan (July 13, 2026), thinkific.com (Tranco rank #5,603) receives mail via Mimecast and sends through Salesforce, Zendesk, Mimecast. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Mimecast |
|---|---|
| ESPs in SPF | Salesforce, Zendesk, Mimecast |
| SaaS senders in SPF | Thinkific |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; pct=100; rua=mailto:re+lhfowlrksk6@dmarc.postmarkapp.com; ruf=mailto:dmarc@thinkific.com; aspf=r; |
| Tranco rank | #5,603 |
| Snapshot | 2026-07-13 (updated daily) |
thinkific.com uses Mimecast for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
thinkific.com authorises Salesforce, Zendesk, Mimecast in its SPF record as of July 13, 2026.
Yes — thinkific.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).