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According to Live Direct Marketing's daily DNS scan (July 12, 2026), coinmarketcap.com (Tranco rank #1,997) receives mail via Proofpoint and sends through Zendesk, Emsd1 (transactional), SendGrid (Twilio). Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Proofpoint |
|---|---|
| ESPs in SPF | Zendesk, Emsd1 (transactional), SendGrid (Twilio) |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:david.k@coinmarketcap.com;ruf=mailto:derek.li@coinmarketcap.com;ri=86400;aspf=s;adkim=s;fo=1 |
| Tranco rank | #1,997 |
| Snapshot | 2026-07-12 (updated daily) |
coinmarketcap.com uses Proofpoint for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
coinmarketcap.com authorises Zendesk, Emsd1 (transactional), SendGrid (Twilio) in its SPF record as of July 12, 2026.
Yes — coinmarketcap.com publishes p=reject, the strictest DMARC policy (as of July 12, 2026).