They Sent It

The most honest way to build a collection.

You never know exactly what you get. That's exactly the point.

MystershirtSaturday, Apr 18, 2026 at 6:00 AM EasternKlaviyo
MystershirtThe most honest way to build a collection.
Subject
The most honest way to build a collection.
Preview text
You never know exactly what you get. That's exactly the point.
From
hello@mystershirt.com
Sent
Sat Apr 18, 2026, 6:00 AM ET
Sent to
Belgium (mystershirt.be), mystershirt.com, Poland (mystershirt.pl)
Size
35 KB
Images
7
Links
7, 1 of them buttons
Subject length
42 characters

Against Mystershirt's usual

Sent in the 6 AM hour, which holds 2% of its emails; 15% arrive in the 4 AM hour. The subject is 42 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
Mystershirt <[email protected]>
Subject
The most honest way to build a collection.
Date
Sat, 18 Apr 2026 10:00:44 +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

  1. from kl-203-24-20.kmta.shared.klaviyomail.com [170.203.24.20] by our receiving server with ESMTPS
  2. 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

Apr 24, 2026 4:00 AMHow €33.32 per shirt is possible
Apr 21, 2026 10:15 AM€160. For a football shirt.
Apr 21, 2026 9:22 AMFind out what is inside
Apr 18, 2026 6:00 AMThe most honest way to build a collection. (this email)
Apr 16, 2026 7:15 AM📦 Warehouse Sale: the more you grab, the less you pay.
Apr 14, 2026 12:01 PMIs your team leading? 🏆 Then you've earned this.
Apr 10, 2026 7:53 PMGet some variation in your collection

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