Ready for a Little Mystery?

Preview text: The newest Mystery Boxes are here and packed with surprises.

BlueBoxFriday, Aug 21, 2026 at 6:04 PM EasternKlaviyo
BlueBoxReady for a Little Mystery?
Subject
Ready for a Little Mystery?
Preview text
The newest Mystery Boxes are here and packed with surprises.
From
hello@buybluebox.com
Brand
BlueBox
Sent
Fri Aug 21, 2026, 6:04 PM ET
Sent to
buybluebox.com
Size
91 KB
Images
16
Links
33, 14 of them buttons
Subject length
27 characters

Against BlueBox's usual

Sent in its busiest hour, 6 PM, which holds 100% of its emails. The subject is 27 characters; its average is 30.

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
BlueBox <[email protected]>
Subject
Ready for a Little Mystery?
Date
Fri, 21 Aug 2026 22:04:08 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.email.buybluebox.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=email.buybluebox.com s=mtd1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. 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

Report this email

Sent just before and after

Sep 11, 2026 6:18 PMWhat’s Waiting Inside?
Sep 4, 2026 6:05 PMThe Next Surprise Could Be Yours!
Aug 28, 2026 6:04 PMAnother Chapter of Mystery Begins!
Aug 21, 2026 6:04 PMReady for a Little Mystery? (this email)
Aug 14, 2026 6:02 PMOpen the Door to Mystery!
Aug 7, 2026 6:02 PMYour Next Surprise Is Just a Click Away!
Jul 31, 2026 6:01 PMCatch This Drop Before It's Gone

More from BlueBox

All BlueBox emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.