That comfort upgrade is still waiting.
Preview text: Your extra savings are still active.

Using this email in an article? Credit: Slumblr email via They Sent It, with a link to this page. Full-size image
- Subject
- That comfort upgrade is still waiting.
- Preview text
- Your extra savings are still active.
- From
- support@
slumblr.com - Brand
- Slumblr
- ESP
- Klaviyo
- Sent
- Fri Oct 23, 2026, 1:54 AM ET
- Sent to
- slumblr.com
- Size
- 49 KB
- Images
- 9
- Links
- 10, 6 of them buttons
- Subject length
- 38 characters
Against Slumblr's usual
Sent in the 1 AM hour, which holds 9% of its emails; 16% arrive in the 3 AM hour. The subject is 38 characters; its average is 37.
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
- Slumblr <[email protected]>
- Subject
- That comfort upgrade is still waiting.
- Date
- Fri, 23 Oct 2026 05:54:22 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-88
- Return-Path domain
- hello.slumblr.com
- DKIM signature
- d=slumblr.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-fjlfh with SMTP
- from (unnamed) by geopod-ismtpd-88 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Oct 30, 2026 1:00 AM | Your Halloween weekend treat is here 🎃 | |
| Oct 28, 2026 3:00 AM | Still putting up with these bedtime annoyances? | |
| Oct 25, 2026 1:57 AM | A little extra help deciding 🎁 | |
| Oct 23, 2026 1:54 AM | That comfort upgrade is still waiting. (this email) | |
| Oct 21, 2026 11:00 PM | Your bedroom might need this | |
| Oct 18, 2026 4:10 AM | 🎁 Last chance: extra 15% OFF your Slumblr order | |
| Oct 16, 2026 11:00 PM | No tricks. Just an extra 10% OFF 🎃 |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 23, 2026.








