New Manta White Noise Machine

One sleep to go. VIPs get it first.

Wed, Oct 7 · 9:45am ET Other

Sent with Klaviyo Sends about 3 a week All facts

Manta Sleep promotes their new white noise machine, helping customers eliminate disturbances. They express gratitude for customer support. The brand invites sign-ups and provides social media links.

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.

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 37 emails from Manta Sleep

The copy

22 words · under a minute to read

Manta Sleep logo

No more wondering what that noise was

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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

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 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 o1310.shared.klaviyomail.com (167.89.100.198) by [receiver] (cloudflare) id qpA38r7WCdBY for <[recipient]>; Wed, 07 Oct 2026 13:45:17 +0000
Received: by recvd-7cc467c87f-nwmf8 with SMTP id recvd-7cc467c87f-nwmf8-1-6AC64CED-1E 2026-10-07 13:45:17.080534146 +0000 UTC m=+679550.806667155
Received: from NTg5NTg1NQ (unknown) by geopod-ismtpd-71 (SG) with HTTP id wqv2MbrMQBuMWWxIsCHomA Wed, 07 Oct 2026 13:45:17.066 +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=imBIwz7j; 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-Message: 01KYHNF02503T8X13Y7VA20QNV
X-Kmail-Ops: 01KXF2R3JSH9777JVSMDCCMC6Q
X-SG-EID: u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeETHF36o8oP2fHBpt6hxCF1OutmZRsHjV8JFg/nzk8PLVJeThbiSsq5NqsypAh6a7pEuhQd3VcaxCpzRGXKRAkOkOgz3gBlCT+1nRWbZd/+rLgwBqHR2r0J8CmFALllVPsPJH4xY4bkhLrZ8s9Mf2jYY+nk1HZ+ErBulnaeYV+s1a
X-SG-ID: u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8Xdfgk7EhFv4N5vcSR+QXWwE61B9eMGRrf8Kt7jn4u8f2wRULOKxDB/0Y32N9sY4+W1hGDN1Yc97FP5Ugprd9MrMZbw0br9AZBJI9R4mlTQQkPOKG+3nsV9TrmH54Bq/Vl2sxCql8MbbAMUS9grrX0PYlBvLppahQ1rQjBEYmyAIj+M7rt01VnjA51QLq7F1MrP2oRY6VU2iN977ZDjYnZfjmZr15ijz1Axq9bhODLwM1PKUd+SqV7m9n/7pHs9/6
X-Entity-ID: u001.hfPXRH9Vf9JkJDdd7ZPpgQ==

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Message

Content-Type: multipart/alternative; boundary=d7479b97c3e79d82b7e268f108a92dfa8a3c42b7f65e34ef6206bd897fa3
Date: Wed, 07 Oct 2026 13:45:17 +0000 (UTC)
From: Manta Sleep <[email protected]>
Mime-Version: 1.0
Message-ID: <wqv2MbrMQBuMWWxIsCHomA@geopod-ismtpd-71>
Subject: New Manta White Noise Machine

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