A different kind of reflux defense.
Preview text: How the Khelp barrier works.

Using this email in an article? Credit: HartSpan email via They Sent It, with a link to this page. Full-size image
- Subject
- A different kind of reflux defense.
- Preview text
- How the Khelp barrier works.
- From
- hello@
hartspan.com - Brand
- HartSpan
- ESP
- Klaviyo
- Sent
- Sun Nov 1, 2026, 4:50 PM ET
- Size
- 50 KB
- Images
- 13
- Links
- 18, 1 of them buttons
- Subject length
- 35 characters
Against HartSpan's usual
Sent in the 4 PM hour, which holds 23% of its emails; 23% arrive in the 1 PM hour. The subject is 35 characters; its average is 39.
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
- HartSpan <[email protected]>
- Reply-To
- [email protected]
- Subject
- A different kind of reflux defense.
- Date
- Sun, 01 Nov 2026 21:50:37 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-55
- Return-Path domain
- send.hartspan.com
- DKIM signature
- d=hartspan.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-8n92c with SMTP
- from (unnamed) by geopod-ismtpd-55 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
| Nov 7, 2026 5:00 PM | Sleeping on a mountain of pillows? | |
| Nov 3, 2026 4:52 PM | Still thinking about Khelp? | |
| Nov 2, 2026 4:51 PM | Validation you can trust. | |
| Nov 1, 2026 4:50 PM | A different kind of reflux defense. (this email) | |
| Nov 1, 2026 12:06 PM | How Khelp keeps acid down, in three steps | |
| Oct 18, 2026 5:15 PM | You deserve a better acid reflux solution... | |
| Oct 17, 2026 5:00 PM | He avoided reflux surgery with this natural solution |
More from HartSpan
All HartSpan emailsSleeping on a mountain of pillows?
Nov 7, 2026 5:00 PM
Nov 3, 2026 4:52 PM
Nov 2, 2026 4:51 PM
How Khelp keeps acid down, in three steps
Nov 1, 2026 12:06 PM
You deserve a better acid reflux solution...
Oct 18, 2026 5:15 PM
He avoided reflux surgery with this natural solution
Oct 17, 2026 5:00 PM
Taking reflux medications? Did you know this?
Oct 16, 2026 1:26 PM
The clinical proof: Why Khelp works on reflux
Oct 15, 2026 1:25 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Nov 1, 2026.









