Those brown spots aren’t random
Preview text: Even if you brush every day
No image available for this email.
- Subject
- Those brown spots aren’t random
- Preview text
- Even if you brush every day
- From
- hello@
feno.co - Brand
- Feno
- ESP
- Klaviyo
- Sent
- Mon May 4, 2026, 3:18 PM ET
- Size
- 55 KB
- Images
- 8
- Links
- 11, 5 of them buttons
- Subject length
- 31 characters
Against Feno's usual
Sent in its busiest hour, 3 PM, which holds 12% of its emails. The subject is 31 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
- Those brown spots aren’t random
- Date
- Mon, 04 May 2026 19:18:16 +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-203-20-3.kmta.shared.klaviyomail.com [170.203.20.3] 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-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| May 8, 2026 2:44 PM | If your gum pain keeps getting worse… | |
| May 7, 2026 8:02 PM | You left better brushing behind | |
| May 6, 2026 3:51 PM | Your mouth can look fine while the damage spreads | |
| May 4, 2026 3:18 PM | Those brown spots aren’t random (this email) | |
| May 1, 2026 2:50 PM | If it feels like your teeth are getting worse… | |
| May 1, 2026 8:46 AM | ⏳ Don’t Lose Your Reserved Smartbrush | |
| Apr 30, 2026 8:48 AM | Why 10,000+ switched to Feno—before it sells out |
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