They Sent It

“This is the best mattress I’ve ever used”

Howard’s review stopped us in our tracks.

Luff SleepTuesday, Jun 23, 2026 at 5:03 AM EasternKlaviyo
Luff Sleep“This is the best mattress I’ve ever used”
Subject
“This is the best mattress I’ve ever used”
Preview text
Howard’s review stopped us in our tracks.
From
hello@luffsleep.co.uk
Sent
Tue Jun 23, 2026, 5:03 AM ET
Sent to
fluffsleep.com, luffhealth.com, United Kingdom (luffsleep.co.uk), luffsleep.com
Size
47 KB
Images
8
Links
9, 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.

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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
“This is the best mattress I’ve ever used”
Date
Tue, 23 Jun 2026 09:03:45 +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
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Servers it passed through, newest first

  1. from kl-203-20-8.kmta.shared.klaviyomail.com [170.203.20.8] 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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Jun 24, 2026 9:30 AMGentle sheets made for sensitive skin 💙
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Jun 24, 2026 1:49 AMWe Saw You Looking
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Jun 21, 2026 5:03 AMTurn your bed into a hotel suite
Jun 21, 2026 5:00 AMThe shortest night of the year deserves the deepest rest.
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