Your 10% off code expires today
Free 60 day returns
Manta Sleep <[email protected]>
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Manta Sleep promotes a limited-time discount with a 10% off code that expires today. The brand guarantees customer satisfaction with a 60-day money-back guarantee. Manta Sleep offers free returns with no questions asked if customers are unhappy for any reason.
What the raw message shows
From the headers
- Sent with
-
Klaviyo See it in the headers
In the email
- Promo code
-
A code unique to each subscriber, 10% off, so it is not shown here.
All Manta Sleep promo codes
Across Manta Sleep's email
- Sends
- About 3 a week
- DMARC
-
Not enforced
Failures are monitored but still delivered.
The copy
41 words · under a minute to read · 1 button
Still deciding? We guarantee you’ll make the right choice.
If you’re unhappy for any reason, our 60-day money-back guarantee means free returns – no questions asked.
And when you’re ready, use code 10P484ZDRWQN8 for 10% off. Ends today.
Button Shop Manta →
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
-
o1310.shared.klaviyomail.com
· 167.89.100.198
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 o1310.shared.klaviyomail.com (167.89.100.198) by [receiver] (cloudflare) id FDa3wXpXkvEa for <[recipient]>; Tue, 21 Jul 2026 01:13:45 +0000
- Received
- by recvd-74789877c6-zbf6w with SMTP id recvd-74789877c6-zbf6w-1-6A5EC7C8-6E 2026-07-21 01:13:44.740569798 +0000 UTC m=+959508.785160022
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-104 (SG) with HTTP id 85wxgxEBRyiYo-Th40QDAQ Tue, 21 Jul 2026 01:13:44.697 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.198 as permitted sender) receiver=[receiver]; client-ip=167.89.100.198; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1310.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=pRLmvN+l; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1310.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.198 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=167.89.100.198
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Flow
- W8sJ8H
- X-Kmail-Message
- X76xS2
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeESfgnFnbmUIZWfZ4dAzAsoqlHBrHpI3cv5zGqJaU3DXwjVxfVt+vVdQegm59ERbsmdwm0YYy5XmTEgFfiy4KlBxRa+1vy1OyL+PhJ9B71k5V4GXiIZkuG32rIQ62DmDDsrPbgnPaH2NLSvK328Dztx8rWoqdHwISO70qgjN1ivv0
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9Axbq+AUi0MvktIN2NORfodbT9iqiPCgy5JT3/M1Wnmo/gKgnzYinuY7q3Xk5esZ7mrgEtgV3uiNBf/OwAnVSPBUrEAu/4PBN0Renme1OyBflZFuATJ8owtY0v+TO/2Sl8E6Mxp5E7HuMFEFyCQOTT02mCQeYOYSZD622Wr/tu/tTR5gv7k2tnuh15JscjXaj/ZfMwvMUYH0LJEh2asnimH6igi5EvnlRjD+b/4Q8TAXTIh5FbGEcqpqLy+5kj6ZeCVA8Li/vGd3YSUZo0m7uKuGIFGqX/Y7YBZPeYY4GAm92Y
- 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=b8f2f8e0356f8c5877d0373877204a01dc4ffc01779947e79c9a00828ece
- Date
- Tue, 21 Jul 2026 01:13:44 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <85wxgxEBRyiYo-Th40QDAQ@geopod-ismtpd-104>
- Subject
- Your 10% off code expires today
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