Find out what is inside

Preview text: Exclusive 10% discount to find out what's inside

Mystershirt

Sunday, May 3, 2026 at 1:19 AM EasternKlaviyo

MystershirtFind out what is inside

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Subject: Find out what is inside
Preview text: Exclusive 10% discount to find out what's inside
From: hello@mystershirt.com
Brand: Mystershirt
ESP: Klaviyo
Sent: Sun May 3, 2026, 1:19 AM ET
Sent to: Poland (mystershirt.pl)
Size: 48 KB
Images: 8
Links: 11, 2 of them buttons
Subject length: 23 characters

Against Mystershirt's usual

Sent in the 1 AM hour, which holds 3% of its emails; 15% arrive in the 4 AM hour. The subject is 23 characters; its average is 43.

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: Arthur from Mystershirt <[email protected]>
Subject: Find out what is inside
Date: Fri, 22 May 2026 23:47:16 +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

Servers it passed through, newest first

from kl-203-16-17.kmta.shared.klaviyomail.com [170.203.16.17] by our receiving server with ESMTPS
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-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

	May 7, 2026 7:15 AM	📦 The journey of a Premium Mystery Box
	May 7, 2026 1:36 AM	Caught your attention?
	May 5, 2026 12:15 PM	⚽ UCL Semi Finals — 50% off your second box
	May 3, 2026 1:19 AM	Find out what is inside (this email)
	May 2, 2026 7:15 AM	We will never go above €50. That is a promise.
	May 1, 2026 1:19 AM	Get some variation in your collection
	Apr 30, 2026 5:00 AM	Still haven't grabbed one? €33.32 per shirt.

Find out what is inside

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Servers it passed through, newest first

Sent just before and after

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