The Performance Hack That Costs Nothing
Preview text: How you breathe affects more than you'd think.

- Subject
- The Performance Hack That Costs Nothing
- Preview text
- How you breathe affects more than you'd think.
- From
- support@
cleanprogram.com - Brand
- Clean
- ESP
- Klaviyo
- Sent
- Mon Oct 5, 2026, 7:15 AM ET
- Size
- 46 KB
- Images
- 11
- Links
- 15, 2 of them buttons
- Subject length
- 39 characters
Against Clean's usual
Sent in its busiest hour, 7 AM, which holds 50% of its emails. The subject is 39 characters; its average is 38.
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
- Clean <[email protected]>
- Subject
- The Performance Hack That Costs Nothing
- Date
- Mon, 05 Oct 2026 11:15:09 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-65
- Return-Path domain
- send.cleanprogram.com
- DKIM signature
- d=cleanprogram.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-q5tgv with SMTP
- from (unnamed) by geopod-ismtpd-65 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
| Oct 9, 2026 12:11 PM | Hey friend, it's been awhile... | |
| Oct 8, 2026 7:15 AM | Weekend Mornings Just Got A Fall Upgrade | |
| Oct 6, 2026 7:30 AM | The Scent Of Fall, Without The Toxins | |
| Oct 5, 2026 7:15 AM | The Performance Hack That Costs Nothing (this email) | |
| Oct 4, 2026 7:15 AM | Ends Tomorrow: 25% Off Your First Subscription | |
| Oct 3, 2026 7:45 AM | Rest Isn't The Break From Training. It's Part Of It. | |
| Oct 2, 2026 6:45 AM | Before You Buy Another Prebiotic Soda, Read This. |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 5, 2026.









