Built for Endurance.

Preview text: Save 20% on clinically formulated fueling.

Wednesday, Oct 14, 2026 at 6:30 AM EasternKlaviyo

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Built for Endurance. - email from First Endurance

Subject: Built for Endurance.
Preview text: Save 20% on clinically formulated fueling.
From: contact@firstendurance.com
Brand: First Endurance
ESP: Klaviyo
Sent: Wed Oct 14, 2026, 6:30 AM ET
Sent to: firstendurance.com
Size: 45 KB
Images: 15
Links: 17, 5 of them buttons
Subject length: 20 characters

Against First Endurance's usual

Sent in the 6 AM hour, which holds 1% of its emails; 13% arrive in the 4 AM hour. The subject is 20 characters; its average is 34.

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: First Endurance <[email protected]>
Subject: Built for Endurance.
Date: Wed, 14 Oct 2026 10:30:11 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.firstendurance.com
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.firstendurance.com s=mtd1
List-Unsubscribe: Present, one-click

Servers it passed through, newest first

from (unnamed) by kmta-mta-green-….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

	Oct 15, 2026 12:29 AM	You’re In. Let’s Build Endurance.
	Oct 14, 2026 10:48 PM	Built for endurance and proven under stress
	Oct 14, 2026 2:18 PM	Mind Over Matter
	Oct 14, 2026 6:30 AM	Built for Endurance. (this email)
	Oct 13, 2026 10:47 PM	Your welcome offer is waiting
	Oct 8, 2026 11:12 AM	Take it from a Pro: Don't Train Like a Pro
	Oct 2, 2026 12:53 PM	No Margin for Error