Copper-infused pillow?
Preview text: Yes, it’s real. Here’s why it actually works.
Using this email in an article? Credit: Coop Sleep Goods email via They Sent It, with a link to this page. Full-size image
- Subject
- Copper-infused pillow?
- Preview text
- Yes, it’s real. Here’s why it actually works.
- From
- customerservice@
coopsleepgoods.com - Brand
- Coop Sleep Goods
- ESP
- Klaviyo
- Sent
- Thu Sep 17, 2026, 12:01 PM ET
- Sent to
- coophomegoods.com, coopsleepgoods.com
- Size
- 49 KB
- Images
- 16
- Links
- 17, 2 of them buttons
- Subject length
- 22 characters
Against Coop Sleep Goods's usual
Sent in its busiest hour, 12 PM, which holds 53% of its emails. The subject is 22 characters; its average is 25.
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
- Coop Sleep Goods <[email protected]>
- Subject
- Copper-infused pillow?
- Date
- Thu, 17 Sep 2026 16:01:52 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-22
- Return-Path domain
- email.coopsleepgoods.com
- DKIM signature
- d=coopsleepgoods.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-qvccf with SMTP
- from (unnamed) by geopod-ismtpd-22 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
Sent just before and after
| Sep 21, 2026 12:42 PM | Still on the fence? | |
| Sep 21, 2026 12:01 PM | This is not a drill | |
| Sep 19, 2026 12:02 PM | Your beauty sleep upgrade | |
| Sep 17, 2026 12:01 PM | Copper-infused pillow? (this email) | |
| Sep 16, 2026 11:23 AM | Last chance to get 30% off your entire order. | |
| Sep 15, 2026 12:00 PM | It’s here! Meet Copper+ | |
| Sep 7, 2026 4:23 PM | Following up |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 17, 2026.
