🎉 We're 5 years old. So: 1+1 on our bestseller.

Preview text: Buy one Premium Box, the second is on us. For our birthday only.

Mystershirt

Thursday, Oct 1, 2026 at 4:00 AM EasternKlaviyo

Mystershirt🎉 We're 5 years old. So: 1+1 on our bestseller.

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🎉 We're 5 years old. So: 1+1 on our bestseller. - email from Mystershirt

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Subject: 🎉 We're 5 years old. So: 1+1 on our bestseller.
Preview text: Buy one Premium Box, the second is on us. For our birthday only.
From: hello@mystershirt.com
Brand: Mystershirt
ESP: Klaviyo
Sent: Thu Oct 1, 2026, 4:00 AM ET
Sent to: Belgium (mystershirt.be), mystershirt.com, Poland (mystershirt.pl)
Size: 30 KB
Images: 6
Links: 6, 1 of them buttons
Subject length: 47 characters

Against Mystershirt's usual

Sent in its busiest hour, 4 AM, which holds 14% of its emails. The subject is 47 characters; its average is 43.

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What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Mystershirt <[email protected]>
Subject: 🎉 We're 5 years old. So: 1+1 on our bestseller.
Date: Thu, 01 Oct 2026 08:00:06 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.hello.mystershirt.com
DKIM signature: d=shared.klaviyomail.com s=def1; d=hello.mystershirt.com s=mtd1
List-Unsubscribe: Present, one-click

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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 4, 2026 4:00 AM	🎁 The gift for the football fan who has everything
	Oct 3, 2026 5:01 AM	🎁 One for you. One for under the tree?
	Oct 2, 2026 2:45 AM	🎂 Five years of mystery shirts. And here's how we're celebrating.
	Oct 1, 2026 4:00 AM	🎉 We're 5 years old. So: 1+1 on our bestseller. (this email)
	Sep 30, 2026 2:45 AM	⏳ Last call: €59.95 N&N and the FIFA giveaway end tonight
	Sep 29, 2026 7:45 AM	🔥 W or L? See what others pulled from their N&N box
	Sep 29, 2026 3:18 AM	👕 Kids 1+1: two shirts, the price of one. For a limited time.

🎉 We're 5 years old. So: 1+1 on our bestseller.

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Sent just before and after

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