Track recovery without a ring or watch*
HRV and resting heart rate, built in
Eight Sleep <[email protected]>
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Eight Sleep promotes its Pod product, which tracks recovery without a wearable device, measuring HRV, resting heart rate, and breathing every night. The company offers a 30-night risk-free trial with free shipping and returns, along with a 5-year warranty. Discounts apply automatically at checkout for select products.
What the raw message shows
From the headers
- Sent with
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Klaviyo See it in the headers
In the HTML
- Built with
- Dark-mode styles
Across Eight Sleep's email
- Sends
- About 6 a week
- DMARC
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Enforced, reject
Mail failing authentication is refused.
The copy
50 words · under a minute to read
Track recovery without a ring or watch
The Pod measures your HRV, resting heart rate, and breathing every night, from sensors in the Cover. No wearable to charge.
It does not just track recovery, it drives it
Try risk-free for 30 nights | Free shipping & returns | 5-year warranty**
The words as text: what a screen reader can follow, and all there is when images don't load.
What the headers say
Read from the message's own headers, as it arrived.
- Came from
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o376.k.eightsleep.com
· 192.254.113.62
Klaviyo's sending servers
- SPF
- Pass for send.k.eightsleep.com
- DKIM
-
- Pass signed by k.eightsleep.com
- DMARC
-
Pass for eightsleep.com
Policy: reject
- Unsubscribe
-
One-click
Meets the Gmail and Yahoo rule for bulk senders.
- Complaints
- No feedback-loop header
Show all 20 headers Hide the headers
As received, minus the delivery side: the archive's own addresses show as [recipient], its mail servers as [receiver], signatures are left out and unsubscribe links trimmed to their host.
Route
- Received
- from o376.k.eightsleep.com (192.254.113.62) by [receiver] (cloudflare) id cUX8eQkEEgOK for <[recipient]>; Fri, 21 Aug 2026 15:01:44 +0000
- Received
- by recvd-5c74f49f69-fnj7b with SMTP id recvd-5c74f49f69-fnj7b-1-6A886858-D3 2026-08-21 15:01:44.450460581 +0000 UTC m=+2059752.219742428
- Received
- from NTg2NDQxMQ (unknown) by geopod-ismtpd-27 (SG) with HTTP id xACZmpJAQRGno6sOru3I9Q Fri, 21 Aug 2026 15:01:44.413 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@send.k.eightsleep.com designates 192.254.113.62 as permitted sender) receiver=[receiver]; client-ip=192.254.113.62; envelope-from="[recipient]@send.k.eightsleep.com"; helo=o376.k.eightsleep.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=k.eightsleep.com header.s=s1 header.b=0N4/AHjt; dmarc=pass header.from=eightsleep.com policy.dmarc=reject; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o376.k.eightsleep.com; spf=pass ([receiver]: domain of [recipient]@send.k.eightsleep.com designates 192.254.113.62 as permitted sender) smtp.mailfrom=[recipient]@send.k.eightsleep.com; arc=none smtp.remote-ip=192.254.113.62
Platform
- X-Kmail-Account
- QtJCHb
- X-Kmail-Message
- 01KZVDX38HTV4511HJVMM5S59K
- X-Kmail-Ops
- 01KX3E8K3PGKM7R311RDDHG1NK
- X-SG-EID
- u001.aq2Nlhw2Zbv3VvpTkixq5wFQvpq+ptqMKDcEwPY+hA/kwbsBPVhtgdNqQlsFOeqH9Ujk50IFtAuaHVxCqCiTbQm9yD71qMfySGvA/5+pL9kFmyeaNH0SFCjP6Bc1OcIvp3fq+84k5TMtTlAMWW0RFPrZUjoNY4F4wXSAvC+vjKslk7Y76aqLS7WWG6qhQlelp3ms9u3rChybUv6RSuVlhEZD/K98qHxy0oWAEAWV2foF8COjxodJEa4Oj5GUHoF/
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvqmPGQRlY/SmPVInpaX4NAnNst/Hs4x9Um8+M3U4rmhPpC4UsIpC7SCII3wHuzZj7zEWEoPf3AehSkMsDNo/QVU93p0TDkRb7nvYJ5apQGXRS9pYVfwWKSodK2euvOxF6//rkYkkZQbsWSkKIa4tZtaVv8Ihd69YiRf31mbU4Q3Wz/yydnTAbQpuIar4NKHUvikSOAKf4ltd51b1tNWvciFQRKscfFMLCN/ureEnzxXhdCfOu44WTOK13Sdbvz7dQJ2yEJvegm3zPm4uPqUVr5xN3iOo51mcHO4Jwo/ZL43BWcWn29+jyzXAMMz//uCPDXAWYxSSq5vV3c5kJb/pgilg==
- X-Entity-ID
- u001.W4HSKSd9xIhnzUA6hOZYcg==
Unsubscribe and feedback
- List-Unsubscribe
- <https://manage.kmail-lists.com/…>
- List-Unsubscribe-Post
- List-Unsubscribe=One-Click
- X-Report-Abuse Identifies Klaviyo
- Please report any spam or abuse to: [email protected]
Message
- Content-Type
- multipart/alternative; boundary=1039417da2d279f338528ea3f7fe38eb637d00a21978e1f7124033da0ef0
- Date
- Fri, 21 Aug 2026 15:01:44 +0000 (UTC)
- From
- Eight Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <xACZmpJAQRGno6sOru3I9Q@geopod-ismtpd-27>
- Subject
- Track recovery without a ring or watch*
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