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Email infrastructure of growthbook.io

According to Live Direct Marketing's daily DNS scan (July 13, 2026), growthbook.io (Tranco rank #4,101) receives mail via Google Workspace and sends through HubSpot, SendGrid (Twilio). 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 SPFHubSpot, SendGrid (Twilio)
SaaS senders in SPFnone detected
DMARC policyp=none
DMARC recordv=DMARC1; p=none;
Tranco rank#4,101
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does growthbook.io use?

growthbook.io 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 growthbook.io use?

growthbook.io authorises HubSpot, SendGrid (Twilio) in its SPF record as of July 13, 2026.

Does growthbook.io enforce DMARC?

No — growthbook.io 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 growthbook.io at Gmail, Outlook, Yandex and Mail.ru.
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