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Email infrastructure of quay.io

According to Live Direct Marketing's daily DNS scan (July 13, 2026), quay.io (Tranco rank #7,643) receives mail via Mimecast and sends through Help Scout, Zendesk, Amazon SES. It publishes no DMARC record — spoofed mail from this domain cannot be rejected by receivers.

Mailbox provider (MX)Mimecast
ESPs in SPFHelp Scout, Zendesk, Amazon SES
SaaS senders in SPFStatuspage (Atlassian)
DMARC policyno record
Tranco rank#7,643
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does quay.io use?

quay.io uses Mimecast 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 quay.io use?

quay.io authorises Help Scout, Zendesk, Amazon SES in its SPF record as of July 13, 2026.

Does quay.io enforce DMARC?

No — quay.io publishes no DMARC record at all (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 quay.io at Gmail, Outlook, Yandex and Mail.ru.
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