They Sent It

Get some variation in your collection

And enjoy the unboxing like the rest of our fans

MystershirtFriday, May 8, 2026 at 1:05 AM EasternKlaviyo
MystershirtGet some variation in your collection
Subject
Get some variation in your collection
Preview text
And enjoy the unboxing like the rest of our fans
From
hello@mystershirt.com
Sent
Fri May 8, 2026, 1:05 AM ET
Sent to
Belgium (mystershirt.be), mystershirt.com, Poland (mystershirt.pl)
Size
63 KB
Images
21
Links
30, 6 of them buttons
Subject length
37 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 37 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
Get some variation in your collection
Date
Mon, 18 May 2026 03:38:15 +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-203-20-25.kmta.shared.klaviyomail.com [170.203.20.25] 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-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

May 17, 2026 12:39 AMCaught your attention?
May 13, 2026 7:15 AMSeppe answers your most asked questions
May 10, 2026 3:02 AMFind out what is inside
May 8, 2026 1:05 AMGet some variation in your collection (this email)
May 7, 2026 7:15 AM📦 The journey of a Premium Mystery Box
May 7, 2026 1:36 AMCaught your attention?
May 5, 2026 12:15 PM⚽ UCL Semi Finals — 50% off your second box

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