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According to Live Direct Marketing's daily DNS scan (July 13, 2026), grammarly.com (Tranco rank #462) receives mail via Google Workspace and sends through Salesforce. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Google Workspace |
|---|---|
| ESPs in SPF | Salesforce |
| SaaS senders in SPF | KnowBe4, Statuspage (Atlassian), Pardot (Salesforce) |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:dmarc@grammarly.com,mailto:dmarc_agg@dmarc.250ok.net,mailto:rujwa3ev@ag.dmarcian.com; ruf=mailto:dmarc_fr@dmarc.250ok.net; fo=1; pct=100; rf=afrf |
| Tranco rank | #462 |
| Snapshot | 2026-07-13 (updated daily) |
grammarly.com uses Google Workspace for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
grammarly.com authorises Salesforce in its SPF record as of July 13, 2026.
Yes — grammarly.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).