Be among the first 300, chance to win a free box!

Preview text: Comment on the post. 5–10 winners will receive a box to create content with.

MystershirtMonday, Jul 6, 2026 at 3:56 AM EasternKlaviyo
MystershirtBe among the first 300, chance to win a free box!
Subject
Be among the first 300, chance to win a free box!
Preview text
Comment on the post. 5–10 winners will receive a box to create content with.
From
hello@mystershirt.com
Sent
Mon Jul 6, 2026, 3:56 AM ET
Sent to
Belgium (mystershirt.be), mystershirt.com, Poland (mystershirt.pl)
Size
16 KB
Images
1
Links
3, 1 of them buttons
Subject length
49 characters

Against Mystershirt's usual

Sent in the 3 AM hour, which holds 8% of its emails; 15% arrive in the 4 AM hour. The subject is 49 characters; its average is 43.

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From
Julius from Mystershirt <[email protected]>
Subject
Be among the first 300, chance to win a free box!
Date
Mon, 06 Jul 2026 07:56:11 +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
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  1. from kl-203-28-18.kmta.shared.klaviyomail.com [170.203.28.18] by our receiving server with ESMTPS
  2. from (unnamed) by kmta-mta-green-….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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