This offer ends tomorrow
Up to $400 off your Pod purchase. Ends Sunday at midnight
Eight Sleep <[email protected]>
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Eight Sleep promotes a Labor Day Sale on the Pod, offering a risk-free 30-night trial, free shipping and returns, and a 5-year warranty. The sale includes discounts of up to $400 off select products, with exclusions and limitations applying. The offer ends tomorrow, September 13th, at 11:59 PM PT.
What the raw message shows
From the headers
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Klaviyo See it in the headers
In the HTML
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Across Eight Sleep's email
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- About 6 a week
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Enforced, reject
Mail failing authentication is refused.
The copy
29 words · under a minute to read
Labor Day Sale
Shop the Pod
ends Sunday at midnight
Try it risk-free for 30 nights
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
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- Pass for send.k.eightsleep.com
- DKIM
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- Pass signed by k.eightsleep.com
- DMARC
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Pass for eightsleep.com
Policy: reject
- Unsubscribe
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One-click
Meets the Gmail and Yahoo rule for bulk senders.
- Complaints
- No feedback-loop header
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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 PXlS9vgRMhZG for <[recipient]>; Sat, 12 Sep 2026 15:03:00 +0000
- Received
- by recvd-597bd976c-mjvqb with SMTP id recvd-597bd976c-mjvqb-1-6AA569A4-5A 2026-09-12 15:03:00.219805315 +0000 UTC m=+3960540.187230596
- Received
- from NTg2NDQxMQ (unknown) by geopod-ismtpd-11 (SG) with HTTP id U8gtwmQ9RA2iocCzh0ls1g Sat, 12 Sep 2026 15:03:00.189 +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=ixO9jn5b; 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
- 01M1PXEVC4JTJ4CNY2ZPS3GQQB
- X-Kmail-Ops
- 01KX3E8K3PGKM7R311RDDHG1NK
- X-SG-EID
- u001.aq2Nlhw2Zbv3VvpTkixq5wFQvpq+ptqMKDcEwPY+hA/kwbsBPVhtgdNqQlsFOeqH9Ujk50IFtAuaHVxCqCiTbf5Z/UlS0+vlqfJwVloXXhWsZUJANFprIk3NRu99fQ6riGNULDa0OS+rtV9vBmx7dEEvPlYrf5Wf5t01/bDQXqOULnvy3PvDsE8/EUz7SqDlgFiNkmu3x/ncXkJ8xRz3eMO4QAd20bUuNnTU4cMy2e3wYve0CnwE2+FSKs4YnTe2
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvqmPGQRlY/SmPVInpaX4NAnNst/Hs4x9Um8+M3U4rmhPpC4UsIpC7SCII3wHuzZj7ztU5q+64tE08UoAMmAvvyHKbwAhdBAM2WSDjQ+yzoUDS1fuuTkPadjO0k+9vHo3Fz5XJZvaM1LUQOWjk3fTZQzmtDH/zGfSgQEDh1vLFs4PXyQBFUjRgiQ2reYElEkmNTQqHB2iIShZVCowwz81gDK2z5k9yPS4Lzzk7TqtPWjVuUdxqfKp26ZYZI6Ja4/NwKXaghEPL7Ikr0awvMEu0cfRMO5/voVoJzC89sGh6dJVSPt/9oiRap3tYZHjcGU0E9F07CsBewN3hQTyZMwFWYYA==
- X-Entity-ID
- u001.W4HSKSd9xIhnzUA6hOZYcg==
Unsubscribe and feedback
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- <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=b8ef4e509c6c25ec51cc99318ea4888393a0ea4e68466aa3a291062ea9ed
- Date
- Sat, 12 Sep 2026 15:03:00 +0000 (UTC)
- From
- Eight Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <U8gtwmQ9RA2iocCzh0ls1g@geopod-ismtpd-11>
- Subject
- This offer ends tomorrow
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