Real people. Real results.
Rated 5 stars by 25k+ customers
Manta Sleep <[email protected]>
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Manta Sleep promotes better sleep solutions, including the PRO Mask, White Noise Machine, and SOUND Mask. The brand expresses gratitude for customer support. Manta Sleep invites customers to explore their products.
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
32 words · under a minute to read
Manta Sleep logo
10P484ZDRWQN8
Better sleep is just the beginning
Shop PRO Mask
Shop White Noise Machine
Shop SOUND Mask
Find your solution
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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
-
o1412.shared.klaviyomail.com
· 149.72.148.48
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 21 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 o1412.shared.klaviyomail.com (149.72.148.48) by [receiver] (cloudflare) id PZOC5N9CqJpa for <[recipient]>; Sat, 18 Jul 2026 01:12:50 +0000
- Received
- by recvd-84cb9cd6b5-tcltt with SMTP id recvd-84cb9cd6b5-tcltt-1-6A5AD312-1 2026-07-18 01:12:50.001442371 +0000 UTC m=+700249.871564688
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-59 (SG) with HTTP id bK9UNYbTQlqDhTxDuWpcFQ Sat, 18 Jul 2026 01:12:49.991 +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=o/MWOy1V; 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-Flow
- W8sJ8H
- X-Kmail-Message
- R4DQCu
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeEbtA3MF+PSEnMa5VLu4JvhJvL62b0PLvxIBaWw1WD58FKfL5LEV6bCLYPc+c3qcYJaSUyYD89omZMGCzKCeW5IjYwsYGLjINDODdO/3OwYtTtbjreag0UsuUtS6jdKFwQJMNxK/BQG2o3mrvlIUD0E+jpRj0FlsEJDRQYumXpEze
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9Axbq+AUi0MvktIN2NORfodbT9iqiPCgy5JT3/M1Wnmo/grC9dmhbjoXk/UHWX14zZ78f/cie/4Ro42KKrXeLWHAFOIGZ2H13wi2aWo1t1yeY2dmyLvmw9xnJPIcl7JMWA0EvPhZvuN1MVzu5yMUcVwHBFivtOqfkO/RjAyvL47plODPaWA7iXLOfO3Alzh9mfAtQq3/yvQutsesUMtziEWehOvBEMbZofVDQRRJH9PfPfwEunZ+uJsLz0ynvI1ALwtyft10DyMbXG22PjjnYI9Z1ggddXk33Ru7V35E7ip08T
- 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=aa52e486e9b7e2723fe905d9136fd22abbcdc34dfc1bd830c842b15514ed
- Date
- Sat, 18 Jul 2026 01:12:50 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <bK9UNYbTQlqDhTxDuWpcFQ@geopod-ismtpd-59>
- Subject
- Real people. Real results.
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