A breakthrough in longevity science
Preview text: Get your Heat Shock Proteins

Using this email in an article? Credit: Heavenly Heat Saunas email via They Sent It, with a link to this page. Full-size image
- Subject
- A breakthrough in longevity science
- Preview text
- Get your Heat Shock Proteins
- From
- heavenlyheat@
heavenlyheatsaunas.com - Brand
- Heavenly Heat Saunas
- ESP
- Klaviyo
- Sent
- Wed Sep 30, 2026, 10:05 AM ET
- Size
- 38 KB
- Images
- 11
- Links
- 12, 1 of them buttons
- Subject length
- 35 characters
Against Heavenly Heat Saunas's usual
Sent in its busiest hour, 10 AM, which holds 23% of its emails. The subject is 35 characters; its average is 33.
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
- Heavenly Heat Saunas <[email protected]>
- Subject
- A breakthrough in longevity science
- Date
- Wed, 30 Sep 2026 14:05:41 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.heavenlyheatsaunas.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.heavenlyheatsaunas.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-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Oct 3, 2026 2:11 PM | Low inventory alert | |
| Oct 1, 2026 6:30 PM | Black Friday in October | |
| Oct 1, 2026 10:30 AM | $3,039 for a Heavenly Heat Sauna?! | |
| Sep 30, 2026 10:05 AM | A breakthrough in longevity science (this email) | |
| Sep 27, 2026 8:00 PM | How often should I use the sauna? | |
| Sep 23, 2026 11:30 AM | How to add 2hrs of deep sleep | |
| Sep 10, 2026 4:30 AM | Join the 1% |
More from Heavenly Heat Saunas
All Heavenly Heat Saunas emailsThe lowest price we’ve ever offered
Nov 8, 2026 10:06 AM
The Science Behind Clean Heat and Lung Health
Nov 7, 2026 8:17 AM
Nov 5, 2026 12:06 PM
We just dropped the price... for today only
Nov 4, 2026 2:15 PM
Nov 4, 2026 7:18 AM
How sauna supports your circadian rhythm
Nov 3, 2026 6:30 PM
Heads up, we increased your discount
Nov 3, 2026 12:33 PM
Nov 3, 2026 8:16 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 30, 2026.









