Labor Day Sale Final day

Preview text: Last call on both flasks.

Endorphin

Monday, Sep 7, 2026 at 9:07 AM EasternKlaviyo

EndorphinLabor Day Sale Final day

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Labor Day Sale Final day - email from Endorphin

Using this email in an article? Credit: Endorphin email via They Sent It, with a link to this page. Full-size image

Subject: Labor Day Sale Final day
Preview text: Last call on both flasks.
From: support@endorphinbelt.com
Brand: Endorphin
ESP: Klaviyo
Sent: Mon Sep 7, 2026, 9:07 AM ET
Size: 37 KB
Images: 10
Links: 10, 4 of them buttons
Subject length: 24 characters

Against Endorphin's usual

Sent in the 9 AM hour, which holds 16% of its emails; 25% arrive in the 6 AM hour. The subject is 24 characters; its average is 26.

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: The Endorphin Belt <[email protected]>
Subject: Labor Day Sale Final day
Date: Mon, 07 Sep 2026 13:07:30 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.endorphinbelt.com
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.endorphinbelt.com s=mtd1
List-Unsubscribe: Present, one-click

Servers it passed through, newest first

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

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Sent just before and after

	Oct 3, 2026 10:02 AM	Meet Rose Reign.
	Sep 25, 2026 11:30 AM	Same Endorphin standard. Streamlined.
	Sep 20, 2026 9:31 AM	Introducing Endorphin Tempo
	Sep 7, 2026 9:07 AM	Labor Day Sale Final day (this email)
	Sep 5, 2026 1:40 PM	Don’t miss this
	Sep 4, 2026 1:39 PM	This is why we built it
	Sep 4, 2026 1:38 AM	Can I help with anything?