Sleep Better and Save Big!

Preview text: Up to 30% off Helix Mattresses

Mattress WarehouseThursday, Sep 10, 2026 at 8:04 AM EasternKlaviyo
Mattress WarehouseSleep Better and Save Big!
Subject
Sleep Better and Save Big!
Preview text
Up to 30% off Helix Mattresses
From
info@sleep.mattresswarehouse.com
Sent
Thu Sep 10, 2026, 8:04 AM ET
Sent to
mattresswarehouse.com
Size
73 KB
Images
31
Links
31, 2 of them buttons
Subject length
26 characters

Against Mattress Warehouse's usual

Sent in its busiest hour, 8 AM, which holds 58% of its emails. The subject is 26 characters; its average is 36.

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
Mattress Warehouse <[email protected]>
Subject
Sleep Better and Save Big!
Date
Thu, 10 Sep 2026 12:04:32 +0000 (UTC)
Message-ID domain
geopod-ismtpd-110
Return-Path domain
sleep.mattresswarehouse.com
DKIM signature
d=mattresswarehouse.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-j2phx with SMTP
  2. from (unnamed) by geopod-ismtpd-110 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

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