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Email infrastructure of physiology.org

According to Live Direct Marketing's daily DNS scan (July 13, 2026), physiology.org (Tranco rank #10,335) receives mail via Microsoft 365 and sends through Zendesk, Mandrill, NGP VAN. 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 SPFZendesk, Mandrill, NGP VAN
SaaS senders in SPFSage Intacct
DMARC policyp=none
DMARC recordv=DMARC1; p=none
Tranco rank#10,335
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does physiology.org use?

physiology.org uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

What ESP does physiology.org use?

physiology.org authorises Zendesk, Mandrill, NGP VAN in its SPF record as of July 13, 2026.

Does physiology.org enforce DMARC?

No — physiology.org publishes p=none, which only monitors and does not block spoofing (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for physiology.org at Gmail, Outlook, Yandex and Mail.ru.
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