The fastest way to fall asleep

New Manta White Noise Machine

Fri, Oct 9 · 10:16am ET Product Launches

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Manta Sleep introduces the new White Noise Machine Bundle, promoting it as the fastest way to fall asleep. The brand highlights the product's ability to block out noise. Manta Sleep expresses gratitude for customer support.

What the raw message shows

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Across Manta Sleep's email

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Failures are monitored but still delivered.

Manta Sleep mantasleep.com

Whatever stops you sleeping, its days are numbered. Join 2+ million people taking control of their sleep with Manta masks and accessories.

All 38 emails from Manta Sleep

The copy

33 words · under a minute to read

Manta Sleep logo

Fall asleep faster

Introducing the new White Noise Machine

Block out noise with the new White Noise Machine

Bundle and save

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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

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Came from

o1304.shared.klaviyomail.com · 167.89.100.82

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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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Complaints

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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 o1304.shared.klaviyomail.com (167.89.100.82) by [receiver] (cloudflare) id hMEjWbBqigra for <[recipient]>; Fri, 09 Oct 2026 14:16:21 +0000
Received: by recvd-6bcc8657fd-v46fm with SMTP id recvd-6bcc8657fd-v46fm-1-6AC8F735-B4 2026-10-09 14:16:21.435160083 +0000 UTC m=+854145.019439098
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Authentication

Received-SPF Authentication result: pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.82 as permitted sender) receiver=[receiver]; client-ip=167.89.100.82; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1304.shared.klaviyomail.com;
Authentication-Results Authentication result: [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=RjTkDSMz; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1304.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.82 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=167.89.100.82

Platform

X-Kmail-Account: KYgPD8
X-Kmail-Message: 01KZP1WJKP6YTWCHGBJ0A1BCG7
X-Kmail-Ops: 01KXF2R3JSH9777JVSMDCCMC6Q
X-SG-EID: u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeERO0W/pAgUNwpvHfkjMWsnd0MN1as5UV9pjQuEE3NikOZMR8YGttQimrgBxp+tuJTwsqcnPrPpDuyV4HVhD6AChlRgs2+YKIOtsp8yQ1ZscDOzUKiTe/HKWl6cbvvbj18lhCdQPO148exANZLxkGFuN9TuLFXf6XENTygzIwq881
X-SG-ID: u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Xdfgk7EhFv4N5vcSR+QXW/3vOEN63nGhzpdDRFSIkc3zhpDc+Zl9nmrln+Sp1hkH9vCZyuZvj29aQC6/QGR9INlv9N3Rb9i13cEXt2TSKjPCT8JdrE3cx1XXVkAyI/SjVdr3Ykf5cCtCnYFn9vtZSn2a7WIa3fqQpqZ2XU3icooIBbjd8vkmuyrOzKR4KANrTym3iKVBTQugEDwNUqAL41qBV0fAZyjEJniEmxD54shIgsI0wbDJlpKQ/Nk7l4QM
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Message

Content-Type: multipart/alternative; boundary=1fdc731e164813219e22c31b57e9a7c9f199a8342811936c0d14d2badbb9
Date: Fri, 09 Oct 2026 14:16:21 +0000 (UTC)
From: Manta Sleep <[email protected]>
Mime-Version: 1.0
Message-ID: <EkgMzoNHRVGoXYF3fG-dZQ@geopod-ismtpd-110>
Subject: The fastest way to fall asleep

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