Why 10,000+ switched to Feno—before it sells out
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- Subject
- Why 10,000+ switched to Feno—before it sells out
- Preview text
- Your gifts are waiting.
- From
- hello@
feno.co - Brand
- Feno
- ESP
- Klaviyo
- Sent
- Sat Apr 11, 2026, 3:09 AM ET
- Size
- 63 KB
- Images
- 15
- Links
- 17, 5 of them buttons
- Subject length
- 48 characters
Against Feno's usual
Sent in the 3 AM hour, which holds 5% of its emails; 12% arrive in the 3 PM hour. The subject is 48 characters; its average is 37.
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
- Feno <[email protected]>
- Subject
- Why 10,000+ switched to Feno—before it sells out
- Date
- Thu, 30 Apr 2026 12:48:25 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.feno.co
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.feno.co s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from kl-203-28-26.kmta.shared.klaviyomail.com [170.203.28.26] by our receiving server with ESMTPS
- from (unnamed) by kmta-mta-blue-….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
| Apr 15, 2026 1:47 PM | If bad breath keeps coming back… | |
| Apr 12, 2026 1:07 PM | Those marks after you take out your retainer… | |
| Apr 12, 2026 3:09 AM | ⏳ Don’t Lose Your Reserved Smartbrush | |
| Apr 11, 2026 3:09 AM | Why 10,000+ switched to Feno—before it sells out (this email) | |
| Apr 10, 2026 1:53 PM | Before you pull that tooth… | |
| Apr 10, 2026 3:09 AM | Everyone’s claiming theirs... have you? | |
| Apr 9, 2026 3:09 AM | Don't forget about your next favorite toothbrush |
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20,000 people switched. Are you next?
Nov 2, 2026 12:50 PM
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