Everyone’s ears are different
And you’re guaranteed a great fit.
Manta Sleep <[email protected]>
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Manta Sleep expresses gratitude to customers for their support. The brand acknowledges the uniqueness of everyone's ears, implying a tailored approach to their products. Manta Sleep offers a 60-day money-back guarantee, showcasing confidence in their earplugs.
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
23 words · under a minute to read
60-day money-back guarantee
Manta Sleep logo
Get your set
Benefits of Manta Sleep earplugs
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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
-
o1329.shared.klaviyomail.com
· 167.89.84.19
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 o1329.shared.klaviyomail.com (167.89.84.19) by [receiver] (cloudflare) id 9iS9hQXOt2c2 for <[recipient]>; Sun, 08 Nov 2026 16:02:42 +0000
- Received
- by recvd-9b5f69495-psvdt with SMTP id recvd-9b5f69495-psvdt-1-6AF09D22-22 2026-11-08 16:02:42.113434234 +0000 UTC m=+229902.606542953
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-43 (SG) with HTTP id OjeEzok8TgWb0jQaXdHzyQ Sun, 08 Nov 2026 16:02:42.107 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.84.19 as permitted sender) receiver=[receiver]; client-ip=167.89.84.19; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1329.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=ETjcSmLR; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1329.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.84.19 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=167.89.84.19
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Message
- 01M5SMA4G0G7WHHNRJHBW87KZR
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeEfx+/KLipFJ9WCq7oZ4XmEw2n16A02+KA0qQDtMSDFo3GKdk5Y84tq8Xe7uB1yDxx7faHpPsfmZ3gy10skpoV0TUaK7JFE5/P+bcmupPZ0zI+5+4ldqmQGfjWXONH/Nw4yUfVYoFXibZeOeKsPnh+AljonmTjHlj2ERv4EQWO8sW
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Ok+S0yVgK4IRHDlbQ59bu8p+/b9/2rkCO2+/s7wiSBU2RpSDFb77ngndVZUWoEvIYhIX9dRHu5ExcP/yLH8VmF/ohT9BRsmjY8OFLddCFqiy9XI709bViYTMFjAy7T+XYB6V23j6SG3X7Tqksrx7bRULOFtceyQjNxmvOAkzmT1R6B9RZdOxfbreWuPhE8D8xqxcAOnI6l+4TDLNzgZQMSfJpRjvH4nNwUrppMSliIa6c/VxvZJsfcFR4zxbu4YtG9SROzZ2qGL7WmVnqgnp7Q==
- 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=31d5bdb3f383a4a458fc3ad14036b0bbd3b2f4cf2457c57498c4078587b5
- Date
- Sun, 08 Nov 2026 16:02:42 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <OjeEzok8TgWb0jQaXdHzyQ@geopod-ismtpd-43>
- Subject
- Everyone’s ears are different
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