🎂 Five years of mystery shirts. And here's how we're celebrating.

Preview text: From an idea to 300,000+ shirts. Thanks for being here.

Mystershirt

Friday, Oct 2, 2026 at 2:45 AM EasternKlaviyo

Mystershirt🎂 Five years of mystery shirts. And here's how we're celebrating.

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🎂 Five years of mystery shirts. And here's how we're celebrating. - email from Mystershirt

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Subject: 🎂 Five years of mystery shirts. And here's how we're celebrating.
Preview text: From an idea to 300,000+ shirts. Thanks for being here.
From: hello@mystershirt.com
Brand: Mystershirt
ESP: Klaviyo
Sent: Fri Oct 2, 2026, 2:45 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: 65 characters

Against Mystershirt's usual

Sent in the 2 AM hour, which holds 3% of its emails; 14% arrive in the 4 AM hour. The subject is 65 characters; its average is 43.

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From: Mystershirt <[email protected]>
Subject: 🎂 Five years of mystery shirts. And here's how we're celebrating.
Date: Fri, 02 Oct 2026 06:45:05 +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 5, 2026 4:01 AM	Two new shirts for the wall, pay once
	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. (this email)
	Oct 1, 2026 4:00 AM	🎉 We're 5 years old. So: 1+1 on our bestseller.
	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