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Email infrastructure of readthedocs.org

According to Live Direct Marketing's daily DNS scan (July 13, 2026), readthedocs.org (Tranco rank #4,397) receives mail via Google Workspace and sends through MailerSend. Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).

Mailbox provider (MX)Google Workspace
ESPs in SPFMailerSend
SaaS senders in SPFnone detected
DMARC policyp=none
DMARC recordv=DMARC1; p=none; rua=mailto:42c49d9b4a484188a99b6a9a589b8d25@dmarc-reports.cloudflare.net;
Tranco rank#4,397
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does readthedocs.org use?

readthedocs.org uses Google Workspace 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 readthedocs.org use?

readthedocs.org authorises MailerSend in its SPF record as of July 13, 2026.

Does readthedocs.org enforce DMARC?

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

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