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Shhh. We’re trying to sleep.

Let’s help you sleep through the noise

Manta Sleep <[email protected]>

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Sent with Klaviyo Sends about 3 a week All facts

Manta Sleep showcases its sleep solutions, including white noise machines, sound masks, sleep earplugs, and sleep masks. The brand highlights its various products to help improve sleep quality. Manta Sleep expresses gratitude for customer support.

What the raw message shows

From the headers

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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

37 words · under a minute to read · 5 buttons

Manta Sleep logo

Homes can get noisy

Shop White Noise Machine

Shop SOUND Mask

Shop Sleep Earplugs

Button SLEEP MASKS

Button MASK ACCESSORIES

Button SLEEP ADD-ONS

Button WHITE NOISE MACHINE

Button BUNDLES

Custom

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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
o1377.shared.klaviyomail.com · 149.72.217.41

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

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Meets the Gmail and Yahoo rule for bulk senders.

Complaints
No feedback-loop header
Show all 20 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 o1377.shared.klaviyomail.com (149.72.217.41) by [receiver] (cloudflare) id ztRCvTCfirWs for <[recipient]>; Mon, 21 Sep 2026 13:02:25 +0000
Received
by recvd-5bc5dd89c8-n5t5k with SMTP id recvd-5bc5dd89c8-n5t5k-1-6AB12AE0-102 2026-09-21 13:02:24.763506175 +0000 UTC m=+920120.758927514
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from NTg5NTg1NQ (unknown) by geopod-ismtpd-1 (SG) with HTTP id IPlhEf-tREKyfhDpJQNCjA Mon, 21 Sep 2026 13:02:24.754 +0000 (UTC)

Authentication

Received-SPF Authentication result
pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.217.41 as permitted sender) receiver=[receiver]; client-ip=149.72.217.41; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1377.shared.klaviyomail.com;
Authentication-Results Authentication result
[receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=i3IYnXQd; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1377.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.217.41 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=149.72.217.41

Platform

X-Kmail-Account
KYgPD8
X-Kmail-Message
01M2QK0YBVWDFB9ZC1T2VB95VV
X-Kmail-Ops
01KXF2R3JSH9777JVSMDCCMC6Q
X-SG-EID
u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeEZ+VcpOBlphXXTjH89dNVnJ3w8cFPHzbzl4ljyFE8WouDEKXtkPNf8j6EFe2h5NDVr9BdFvsW9wI7DbiG4R2DJFCNA38XvZXt925xKTBIgzU0cCxg7Z1vmiPCl6XK/NHF+gsoJ/TE92fimJ9HnPO8aEC6QgH50JCdHxH/EIT3ay7
X-SG-ID
u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8rYv0vhmfvDnCVvmE+2Xxk+/YJH/fbzPTi+KgfZ8gWkLfnP52DPSjO0Yrm7d5H+sVzFRLeRqaFvTmegqmHWvOhs88lmbUZuXSRLk5QZ/L1H/U0rXn7vq9YU3MuxEaQosehbIE4v8jzA85+yoTvHDNBjPggOOJTEqN7b8NcW4yFmMUs/WWQHIhKEvTcA0HxnN759z1cF5oTDz3hmAHqUNTz16ufST4mkFTRUEfluUFgFaFOcsBEipgwYCRo69cqmwl
X-Entity-ID
u001.hfPXRH9Vf9JkJDdd7ZPpgQ==

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Message

Content-Type
multipart/alternative; boundary=3d111714b4287c7e9a658882cb6dfb7491f7f536139826bacee3e1023237
Date
Mon, 21 Sep 2026 13:02:24 +0000 (UTC)
From
Manta Sleep <[email protected]>
Mime-Version
1.0
Message-ID
<IPlhEf-tREKyfhDpJQNCjA@geopod-ismtpd-1>
Subject
Shhh. We’re trying to sleep.

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