Manta White Noise Machine verdict
It’s the ultimate wind-down ritual.
Manta Sleep <[email protected]>
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Manta Sleep showcases its white noise machine, inviting customers to choose their sleep soundtrack and shop now. The brand highlights the benefits of its product, including sleeping at the touch of a button and staying asleep until morning. Manta Sleep expresses gratitude for customer support.
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
36 words · under a minute to read
Manta Sleep logo
Love your sleep
Shop now: choose your sleep soundtrack
Shop now: Sleep at the touch of a button
Shop now: Stay asleep until morning
To update your email preferences, choose your preferred option:
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
-
o1404.shared.klaviyomail.com
· 149.72.80.224
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 o1404.shared.klaviyomail.com (149.72.80.224) by [receiver] (cloudflare) id mc3fgaqN6MBT for <[recipient]>; Fri, 16 Oct 2026 00:00:54 +0000
- Received
- by recvd-5896495599-wlrxd with SMTP id recvd-5896495599-wlrxd-1-6AD16936-143 2026-10-16 00:00:54.498572882 +0000 UTC m=+1407604.692054459
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-2 (SG) with HTTP id 1hK149WdSDa-FDXTvouVrA Fri, 16 Oct 2026 00:00:54.493 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.80.224 as permitted sender) receiver=[receiver]; client-ip=149.72.80.224; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1404.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=sHlnx54S; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1404.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.80.224 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=149.72.80.224
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Message
- 01KZQCR8B9FNG89VPDHYDNSW2N
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeES0y3KVnnuZRm9SqNy4v6ZUiVhQRM4T0zgjGSE2IiZaDmwxM99jWTwzyMZ0UOX5Izag8qo6ZUz3d5W71MAQsbjN8qagqrGHWpGE1HSFI40w/Z1RONjeIpNkxadm0eq+lFKfgQZhxGRItmGZzQrNOMaQU8vrUBvp+HhTLdCAcesGj
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Xdfgk7EhFv4N5vcSR+QXW32XdoJQB1OqZLqKoMDMaUwk+935c+ZwiMvjEbQ7I9yuLVPlQOTqkRH97WhPiBMdelvOawKBcQaBJ+63Gm9xT7R51n3Pfb5sSn54rGeAKLe10z1xwg8UxX6W27AK3vmV1IKvx8saLHtwE7UtvNTCjqFPS6Xd+R5ypsUv7mAgvGiW2SRfq6iD3Wqb0TvOnSiNfvoE9HZj3jd5ZN89Pg6FpvbnrSrMxxslt3LBaIm4NAIC
- 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=3ada02e28d710a2c7ac64aae7d9eb7e83d770d593401c4224a726183298a
- Date
- Fri, 16 Oct 2026 00:00:54 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <1hK149WdSDa-FDXTvouVrA@geopod-ismtpd-2>
- Subject
- Manta White Noise Machine verdict
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