I owe you a heads up

Preview text: Once they're gone, they're gone. Grab 3 and I'll add a free knife.

Saturday, Oct 17, 2026 at 8:04 PM EasternKlaviyo

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I owe you a heads up - email from Mystery Knives Box

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Subject: I owe you a heads up
Preview text: Once they're gone, they're gone. Grab 3 and I'll add a free knife.
From: hello@mysteryknivesbox.com
Brand: Mystery Knives Box
ESP: Klaviyo
Sent: Sat Oct 17, 2026, 8:04 PM ET
Sent to: knivesmysterybox.com, mysterykatana.com, mysterykatanas.com, mysteryknife.com
Size: 24 KB
Images: 1
Links: 2, 2 of them buttons
Subject length: 20 characters

Against Mystery Knives Box's usual

Sent in the 8 PM hour, which holds 10% of its emails; 10% arrive in the 12 AM hour. The subject is 20 characters; its average is 22.

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: Evan, COO | Mystery Knives <[email protected]>
Reply-To: [email protected]
Subject: I owe you a heads up
Date: Sun, 18 Oct 2026 00:04:45 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.mysteryknivesbox.com
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.mysteryknivesbox.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 19, 2026 5:09 PM	What people actually pulled...
	Oct 18, 2026 5:36 PM	Acceptance Letter \| Mystery Knives Box
	Oct 18, 2026 4:57 PM	bamboo: 0
	Oct 17, 2026 8:04 PM	I owe you a heads up (this email)
	Oct 17, 2026 5:48 PM	Do you want a Free Box?
	Oct 17, 2026 12:52 PM	🪂 SOMETHING JUST FELL FROM THE SKY…
	Oct 17, 2026 12:00 AM	pst… you still awake? 👀