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Email infrastructure of sainsburys.co.uk

According to Live Direct Marketing's daily DNS scan (July 12, 2026), sainsburys.co.uk (Tranco rank #6,967) receives mail via Proofpoint and sends through Zendesk. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Proofpoint
ESPs in SPFZendesk
SaaS senders in SPFOracle Cloud, KnowBe4
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; aspf=r; fo=1
Tranco rank#6,967
Snapshot2026-07-12 (updated daily)

Frequently asked questions

What email provider does sainsburys.co.uk use?

sainsburys.co.uk 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.

What ESP does sainsburys.co.uk use?

sainsburys.co.uk authorises Zendesk in its SPF record as of July 12, 2026.

Does sainsburys.co.uk enforce DMARC?

Yes — sainsburys.co.uk publishes p=reject, the strictest DMARC policy (as of July 12, 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 sainsburys.co.uk at Gmail, Outlook, Yandex and Mail.ru.
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