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According to Live Direct Marketing's daily DNS scan (July 12, 2026), mediaplex.com (Tranco rank #11,262) receives mail via Microsoft 365 and sends through Marketo (Adobe). Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).
| Mailbox provider (MX) | Microsoft 365 |
|---|---|
| ESPs in SPF | Marketo (Adobe) |
| SaaS senders in SPF | none detected |
| DMARC policy | p=none |
| DMARC record | v=DMARC1;p=none;rua=mailto:dmarc_agg@vali.email |
| Tranco rank | #11,262 |
| Snapshot | 2026-07-12 (updated daily) |
mediaplex.com 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.
mediaplex.com authorises Marketo (Adobe) in its SPF record as of July 12, 2026.
No — mediaplex.com publishes p=none, which only monitors and does not block spoofing (as of July 12, 2026).