You can’t bank sleep
And the weekend isn’t a refund
Manta Sleep <[email protected]>
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Manta Sleep showcases its sleep masks and accessories, including the Manta Original Mask and Manta PRO Mask. The brand highlights the importance of protecting sleep each night. Manta Sleep offers various products, including bundles and a white noise machine, to support a good night's sleep.
What the raw message shows
From the headers
- Sent with
-
Klaviyo See it in the headers
Across Manta Sleep's email
- Sends
- About 3 a week
- DMARC
-
Not enforced
Failures are monitored but still delivered.
The copy
46 words · under a minute to read
Manta Sleep logo
Protect your sleep
Protect the sleep you get each night
Shop Manta Original Mask
Shop Manta PRO Mask in Carbon Black
Shop Manta PRO Mask in Classic
Shop sleep masks
Shop white noise machine
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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
-
o1355.shared.klaviyomail.com
· 167.89.100.40
Klaviyo's sending servers
- SPF
- Pass for klaviyo.mantasleep.com
- DKIM
-
- Pass signed by mantasleep.com
- DMARC
-
Pass for mantasleep.com
Policy: none, so failures would still be delivered
- 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 Identifies Klaviyo
- from o1355.shared.klaviyomail.com (167.89.100.40) by [receiver] (cloudflare) id KDjBnp6Cdlx6 for <[recipient]>; Sat, 17 Oct 2026 14:00:15 +0000
- Received
- by recvd-58c4dcfb94-9plmx with SMTP id recvd-58c4dcfb94-9plmx-1-6AD37F6E-1B6 2026-10-17 14:00:14.868946422 +0000 UTC m=+1544346.970440923
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-18 (SG) with HTTP id -jvDZ_XyQYSFfNCiL-VoqA Sat, 17 Oct 2026 14:00:14.849 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.40 as permitted sender) receiver=[receiver]; client-ip=167.89.100.40; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1355.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=tfP8yQEh; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1355.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.40 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=167.89.100.40
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Message
- 01M4VY6Z2DRYK8CVSS42H57D82
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeEbr1DruJezIM1rY9Cfceka40K7/r4OAAPMPZFlWIk/Jy+vvmr2dFZ9nRd01vom3H1voOytUtkKWQ46gEdEbiJ2WRdEvc892Kq6JNojSYRBf/KuoPmun9em+pTjyKyfvJDa+ZkWishsAF8YJZRrKTCI4kX/GkmW/JK0/Dhu1fynJ7
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Ok+S0yVgK4IRHDlbQ59bu1sczryQZBNxfAuEehyjbLgSrmqCyc6zQuTD4zv8OwOcGTlHvxxYtSxlSzXTrOKmNamD61OlHscf04H4sODqzD/5juGZ+iX5EPkoZ2IdjdpUfyR3T1D1fzv3v+JJzzNF+CaLdytmIZoptamREuWlP1OTgL659kNL810lkdSNO7PRGfR2rjd1aR/otE9lkmZxqRQDsVWoMjL+jATI78yn8M8mRlaYUEqt6kTD4jDSGclNdKQRr915NAMBDKi9NTssbA==
- X-Entity-ID
- u001.hfPXRH9Vf9JkJDdd7ZPpgQ==
Unsubscribe and feedback
- List-Unsubscribe
- <https://manage.kmail-lists.com/…>
- List-Unsubscribe-Post
- List-Unsubscribe=One-Click
- X-Report-Abuse
- Please report any spam or abuse to: [email protected]
Message
- Content-Type
- multipart/alternative; boundary=13c4d33a5a3b29cdefd6f1564abc649a6cbfc6ad22b1e5dafd800b1bc0d0
- Date
- Sat, 17 Oct 2026 14:00:14 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <-jvDZ_XyQYSFfNCiL-VoqA@geopod-ismtpd-18>
- Subject
- You can’t bank sleep
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