What's actually inside the filter
Preview text: A close look at what it does and why it works

Using this email in an article? Credit: Shelf Life email via They Sent It, with a link to this page. Full-size image
- Subject
- What's actually inside the filter
- Preview text
- A close look at what it does and why it works
- From
- hello@
shelflifestore.com - Brand
- Shelf Life
- ESP
- Klaviyo
- Sent
- Tue Oct 20, 2026, 5:21 PM ET
- Size
- 48 KB
- Images
- 9
- Links
- 6, 5 of them buttons
- Subject length
- 33 characters
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
- Shelf Life <[email protected]>
- Subject
- What's actually inside the filter
- Date
- Tue, 20 Oct 2026 21:21:33 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.shelflifestore.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.shelflifestore.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-green-….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
Sent just before and after
| Oct 27, 2026 11:07 PM | Did you see something you liked? | |
| Oct 23, 2026 5:22 PM | What we've been testing, and why it matters | |
| Oct 20, 2026 5:21 PM | What's actually inside the filter (this email) | |
| Oct 17, 2026 4:58 PM | Your apples are quietly ruining your strawberries | |
| Oct 14, 2026 1:17 PM | You're in early. Here's why we started Shelf Life | |
| Oct 14, 2026 9:55 AM | Did you see something you liked? | |
| Jul 30, 2026 8:48 AM | What we've been testing, and why it matters |
More from Shelf Life
All Shelf Life emailsDid you see something you liked?
Oct 27, 2026 11:07 PM
What we've been testing, and why it matters
Oct 23, 2026 5:22 PM
Your apples are quietly ruining your strawberries
Oct 17, 2026 4:58 PM
You're in early. Here's why we started Shelf Life
Oct 14, 2026 1:17 PM
Did you see something you liked?
Oct 14, 2026 9:55 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 20, 2026.





