They Sent It

Sleep cleaner. Sleep cooler. Sleep bamboo.

Here’s why you’ll never go back to cotton.

Luff SleepSaturday, Jun 20, 2026 at 5:04 AM EasternKlaviyo
Luff SleepSleep cleaner. Sleep cooler. Sleep bamboo.
Subject
Sleep cleaner. Sleep cooler. Sleep bamboo.
Preview text
Here’s why you’ll never go back to cotton.
From
hello@luffsleep.co.uk
Sent
Sat Jun 20, 2026, 5:04 AM ET
Sent to
fluffsleep.com, luffhealth.com, United Kingdom (luffsleep.co.uk), luffsleep.com
Size
54 KB
Images
10
Links
11, 5 of them buttons
Subject length
42 characters

Against Luff Sleep's usual

Sent in the 5 AM hour, which holds 12% of its emails; 12% arrive in the 12 AM hour. The subject is 42 characters; its average is 35.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
Luff Sleep <[email protected]>
Subject
Sleep cleaner. Sleep cooler. Sleep bamboo.
Date
Sat, 20 Jun 2026 09:04:04 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.luffsleep.co.uk
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.luffsleep.co.uk s=mtd1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from kl-203-28-25.kmta.shared.klaviyomail.com [170.203.28.25] by our receiving server with ESMTPS
  2. from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP

Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

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Jun 20, 2026 1:46 PM10% OFF — 24 HOURS LEFT
Jun 20, 2026 5:04 AMSleep cleaner. Sleep cooler. Sleep bamboo. (this email)
Jun 19, 2026 1:46 PMWhat Sleep Could Feel Like
Jun 19, 2026 5:04 AMThe Truth... Why Luff Exists
Jun 18, 2026 1:46 PMWe Saw You Looking

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