Start Fresh with Underbrush!
Join our journey with a personal story from our founder, Nathan ...
Nathan & Sons <[email protected]>
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Nathan & Sons promotes Underbrush Gum, a natural oral care product. They offer 10% off the first order with code FOREST10. The brand highlights its unique blend of natural ingredients and commitment to better oral health and sustainability.
What the raw message shows
From the headers
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Klaviyo See it in the headers
In the email
- Promo code
-
10% off with this code
All Nathan & Sons promo codes
Across Nathan & Sons's email
- Sends
- About 3 a week
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Enforced, quarantine
Mail failing authentication goes to spam.
The copy
201 words · about 1 min to read
A Fresh Start with a Purpose - Our Journey. Use the code for 10% off
I'm Nathan, the founder of Underbrush Gum.
Frustrated with the harmful ingredients in conventional gum, and fueled by a passion for better oral health, I embarked on a mission to craft a gum that truly cares for your teeth and our planet.
Our gum isn't just about fresh breath. It's a carefully formulated blend of natural ingredients, like Mastic, Spruce, and Chicle saps, each chosen for their unique properties that help clean and protect your teeth naturally.
To get you started we're offering 10% off your first order with the code FOREST10.
Click to shop now and use code FOREST10 to get 10% off your order
The Underbrush Promise
Natural Remineralization:
Our gum uses nano-hydroxyapatite, a compound that's essential for rebuilding and strengthening tooth enamel.
No Harmful Chemicals:
Say goodbye to plastics, aspartame and other synthetic ingredients. We're committed to ingredients that are good for you and the environment.
Oral Health on the Go:
Easy to use anywhere, anytime, our gum fits perfectly into your busy lifestyle, making oral care effortless and enjoyable.
Click to shop now - Use code FOREST10 for 10% off your order
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What the headers say
Read from the message's own headers, as it arrived.
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o1401.shared.klaviyomail.com
· 168.245.125.63
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Pass for nathanandsons.com
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As received, minus the delivery side: the archive's own addresses show as [recipient], its mail servers as [receiver], signatures are left out and unsubscribe links trimmed to their host.
Route
- Received Identifies Klaviyo
- from o1401.shared.klaviyomail.com (168.245.125.63) by [receiver] (cloudflare) id cgmGNRh6DQYm for <[recipient]>; Wed, 08 Jul 2026 04:10:59 +0000
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Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@k1.send.nathanandsons.com designates 168.245.125.63 as permitted sender) receiver=[receiver]; client-ip=168.245.125.63; envelope-from="[recipient]@k1.send.nathanandsons.com"; helo=o1401.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=send.nathanandsons.com header.s=s1 header.b=e91onu/t; dmarc=pass header.from=nathanandsons.com policy.dmarc=quarantine; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1401.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@k1.send.nathanandsons.com designates 168.245.125.63 as permitted sender) smtp.mailfrom=[recipient]@k1.send.nathanandsons.com; arc=none smtp.remote-ip=168.245.125.63
Platform
- X-Kmail-Account
- UTBCj8
- X-Kmail-Flow
- Rx8qNE
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- QPndqn
- X-Kmail-Ops
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- X-SG-EID
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- X-SG-ID
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- X-Entity-ID
- u001.cRT1WUEQ2gTC52VvLnShoQ==
Unsubscribe and feedback
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- Please report any spam or abuse to: [email protected]
Message
- Content-Type
- multipart/alternative; boundary=4eed7037f08737a5ac5a26d59119f376708e5f999df99493f3595a6cbda8
- Date
- Wed, 08 Jul 2026 04:10:59 +0000 (UTC)
- From
- Nathan & Sons <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <kvtrJOapR7CBoBYR1FvRQA@geopod-ismtpd-115>
- Subject
- Start Fresh with Underbrush!
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