Your phone’s clock auto-updates
Your body clock doesn’t
Manta Sleep <[email protected]>
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Manta Sleep promotes their PRO Mask, which provides 100% blackout for better sleep. The company highlights the upcoming time change and its potential disruption to the body's internal clock. Manta Sleep suggests using the PRO Mask to maintain a consistently dark room and ease the adjustment.
What the raw message shows
From the headers
- Sent with
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Klaviyo See it in the headers
Across Manta Sleep's email
- Sends
- About 3 a week
- DMARC
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Not enforced
Failures are monitored but still delivered.
The copy
80 words · under a minute to read
Heads up: the clocks fall back next Sunday. Your phone will adjust automatically, your internal clock won’t.
Your body clock runs on light, and it can take a few days to catch up.
The good news: light is something you can control. A consistently dark room gives your body one less thing to adjust to.
That’s where PRO Mask comes in. 100% blackout in any sleep position, so the morning light doesn’t wake you before you’re ready.
The Manta Team
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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o1405.shared.klaviyomail.com
· 149.72.85.177
Klaviyo's sending servers
- SPF
- Pass for klaviyo.mantasleep.com
- DKIM
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- Pass signed by mantasleep.com
- DMARC
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Pass for mantasleep.com
Policy: none, so failures would still be delivered
- 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 Identifies Klaviyo
- from o1405.shared.klaviyomail.com (149.72.85.177) by [receiver] (cloudflare) id sHEus6hYcbIo for <[recipient]>; Sun, 25 Oct 2026 14:00:15 +0000
- Received
- by recvd-75d778fcc7-b88jc with SMTP id recvd-75d778fcc7-b88jc-1-6ADE0B6F-12A 2026-10-25 14:00:15.564100487 +0000 UTC m=+2235559.335414018
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-64 (SG) with HTTP id P5Aic4JUR7Szs9WNImWglQ Sun, 25 Oct 2026 14:00:15.553 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.85.177 as permitted sender) receiver=[receiver]; client-ip=149.72.85.177; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1405.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=fMaji5T3; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1405.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.85.177 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=149.72.85.177
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Message
- 01M5DYZV0MJ91HVHA6GN2KCC2V
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeEYMqAf8yAe+wvBYdlK2bib95Tf0UqYVPpZoANSlElOnnhDFnqSPyx/NAc1kx01Xl9yMU+F4WMpKZdagwWphGIFiZwYd+MxVC5AF8FMzhegUkBlRcgjCX07mBIBbXgpmh54DFSaPzqc36C9d7n/6Qf5ki8NOGBW59+aV1GSiQ+60p
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Ok+S0yVgK4IRHDlbQ59bu8PsU4cpQ7WKkKu1mP//q2I7bKzMI/Yhufn62gh2r+gY+9IrjL4/5MDWWsfcwDXexV7XoNifgCqPR0ByFzNdende+ltllVIOoKg/MKBaedv7+V1q+jWi2DwaMnYCzl6X5dsxAAscr8gbTLbj3MvFcmqLsz1/X3cK4zFNBJQBtiFVb6to6mVewqfrS8/rEqWVyZHKInbj2UOFlP+j/e3TPeEZiXb3hnpgzUyBGezt32nsNH6RM5rOjxPpEaWwwd+a5w==
- X-Entity-ID
- u001.hfPXRH9Vf9JkJDdd7ZPpgQ==
Unsubscribe and feedback
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- 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=9708f8961e0b8360bc45135fe82e3ed244cb31f617ecdff68c121355a663
- Date
- Sun, 25 Oct 2026 14:00:15 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <P5Aic4JUR7Szs9WNImWglQ@geopod-ismtpd-64>
- Subject
- Your phone’s clock auto-updates
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