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Email infrastructure of harvard.edu

According to Live Direct Marketing's daily DNS scan (July 13, 2026), harvard.edu (Tranco rank #306) receives mail via Proofpoint and sends through Mailjet (Sinch). Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Proofpoint
ESPs in SPFMailjet (Sinch)
SaaS senders in SPFnone detected
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; sp=none; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email
Tranco rank#306
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does harvard.edu use?

harvard.edu uses Proofpoint 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 harvard.edu use?

harvard.edu authorises Mailjet (Sinch) in its SPF record as of July 13, 2026.

Does harvard.edu enforce DMARC?

Partially — harvard.edu publishes p=quarantine (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 harvard.edu at Gmail, Outlook, Yandex and Mail.ru.
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