Why 10,000+ switched to Feno—before it sells out

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FenoTuesday, May 19, 2026 at 6:53 PM EasternKlaviyo
FenoWhy 10,000+ switched to Feno—before it sells out
Subject
Why 10,000+ switched to Feno—before it sells out
Preview text
Your gifts are waiting.
From
hello@feno.co
Brand
Feno
Sent
Tue May 19, 2026, 6:53 PM ET
Size
60 KB
Images
15
Links
17, 5 of them buttons
Subject length
48 characters

Against Feno's usual

Sent in the 6 PM hour, which holds 5% of its emails; 12% arrive in the 3 PM hour. The subject is 48 characters; its average is 37.

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Subject
Why 10,000+ switched to Feno—before it sells out
Date
Tue, 19 May 2026 22:53:04 +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
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  1. from kl-203-28-26.kmta.shared.klaviyomail.com [170.203.28.26] by our receiving server with ESMTPS
  2. 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

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Sent just before and after

May 22, 2026 2:02 PMThat shock feeling isn’t random
May 20, 2026 6:48 PM⏳ Don’t Lose Your Reserved Smartbrush
May 20, 2026 3:54 PMSome broken teeth stop hurting when the nerve dies
May 19, 2026 6:53 PMWhy 10,000+ switched to Feno—before it sells out (this email)
May 18, 2026 6:49 PMEveryone’s claiming theirs... have you?
May 17, 2026 6:53 PMWhen brushing doesn’t stay consistent…
May 17, 2026 2:23 PMIf tooth pain wakes you up, don’t ignore it

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