Calm is coming
The antidote to a busy summer
Manta Sleep <[email protected]>
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Manta Sleep expresses gratitude to their supporters and acknowledges the fleeting nature of summer. They provide options for subscribers to update their email preferences. The brand appreciates customer support.
What the raw message shows
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- 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
21 words · under a minute to read
Manta Sleep logo
Summer goes by in a flash
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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
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o1412.shared.klaviyomail.com
· 149.72.148.48
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 o1412.shared.klaviyomail.com (149.72.148.48) by [receiver] (cloudflare) id MFLRJvYK2tBD for <[recipient]>; Wed, 22 Jul 2026 13:30:45 +0000
- Received
- by recvd-94dcd5764-wz458 with SMTP id recvd-94dcd5764-wz458-1-6A60C604-13 2026-07-22 13:30:44.040665743 +0000 UTC m=+1090106.357153136
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-77 (SG) with HTTP id RDbVF0ZoQ-KvoyIn-OPBdA Wed, 22 Jul 2026 13:30:43.527 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.148.48 as permitted sender) receiver=[receiver]; client-ip=149.72.148.48; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1412.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=JhpBQX0T; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1412.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 149.72.148.48 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=149.72.148.48
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Message
- 01KWENQ673MXHZKJQ8FRM51N9E
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeETNRgBW4foVKM1Vv5Bsg6Fb1M9aK5nSSnzO0Do+6N6tc0R6z2jqnjYjQ/k/IuWCocofDtOwM9UVPuL3P2FT7ZZmrnGqEwo0lzvsvCdMJerv0AhxWQi465w7vyU2evv/+pCBugOgJwCaIajibTstGj2MHnPNZwNF+sTHZw80AP/wV
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Xdfgk7EhFv4N5vcSR+QXW7D5x9eaaSvm+xDANNhF2+BRx5E9jU2pAydBS42DtSBpwAg4lGecKtpb6uyncctBJatxUhhI5VOa+r/hKz8mEk9LXuAuFH++K0b3JMjgS92MDV/BTkiHYmpjZ6TQg7vEhdijx5cZyFwqY0B/+h8AZ8gkrx+i1+dbyQjfES/A96Z3bMA4pYYDijFpz3MPpuQX/vNzUTOK3LtrOwMqkaVauchNSqyzDT6fzGGDjNjeoBY1
- X-Entity-ID
- u001.hfPXRH9Vf9JkJDdd7ZPpgQ==
Unsubscribe and feedback
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- <https://manage.kmail-lists.com/…>
- List-Unsubscribe-Post
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- Please report any spam or abuse to: [email protected]
Message
- Content-Type
- multipart/alternative; boundary=08d7534acd75b7b1f51d297132ad39b05c35b4d143a0e529bbf5c84f9cd5
- Date
- Wed, 22 Jul 2026 13:30:44 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <RDbVF0ZoQ-KvoyIn-OPBdA@geopod-ismtpd-77>
- Subject
- Calm is coming
More from Manta Sleep
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