They Sent It

Free socks. Free short. Free shipping.

Just add boxes. The extras roll in on their own.

MystershirtTuesday, Aug 18, 2026 at 4:00 AM EasternKlaviyo
MystershirtFree socks. Free short. Free shipping.
Subject
Free socks. Free short. Free shipping.
Preview text
Just add boxes. The extras roll in on their own.
From
hello@mystershirt.com
Sent
Tue Aug 18, 2026, 4:00 AM ET
Sent to
Belgium (mystershirt.be), mystershirt.com, Poland (mystershirt.pl)
Size
29 KB
Images
6
Links
6, 1 of them buttons
Subject length
38 characters

Against Mystershirt's usual

Sent in its busiest hour, 4 AM, which holds 15% of its emails. The subject is 38 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
Free socks. Free short. Free shipping.
Date
Tue, 18 Aug 2026 08:00:44 +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 (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

Aug 25, 2026 4:00 AM40,000 shirts. All looking for a home.
Aug 22, 2026 4:00 AMLet's do the maths.
Aug 20, 2026 4:00 AMOne shirt is a start. Ten is a wall.
Aug 18, 2026 4:00 AMFree socks. Free short. Free shipping. (this email)
Aug 14, 2026 7:45 AMThe best 10 seconds in football aren't on the pitch
Aug 13, 2026 1:16 PMThe art of the mystery
Aug 9, 2026 5:01 AMA shop shirt costs €90. Yours costs €39.95.

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