What James found inside his mystery box 📦

Preview text: He spent £50. Look what turned up.

HYDROSaturday, Sep 19, 2026 at 10:45 AM EasternKlaviyo
HYDROWhat James found inside his mystery box 📦
Subject
What James found inside his mystery box 📦
Preview text
He spent £50. Look what turned up.
From
hello@hydrouk.co
Brand
HYDRO
Sent
Sat Sep 19, 2026, 10:45 AM ET
Size
50 KB
Images
17
Links
17, 4 of them buttons
Subject length
41 characters

Against HYDRO's usual

Sent in the 10 AM hour, which holds 5% of its emails; 36% arrive in the 2 PM hour. The subject is 41 characters; its average is 33.

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
HYDRO <[email protected]>
Subject
What James found inside his mystery box 📦
Date
Sat, 19 Sep 2026 14:45:06 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.hydrouk.co
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.hydrouk.co 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

Report this email

Sent just before and after

Sep 22, 2026 2:45 PMThe black line under your doors isn't going anywhere
Sep 22, 2026 3:30 AMBefore you buy more car shampoo...
Sep 21, 2026 3:29 AMThe switch that changes everything
Sep 19, 2026 10:45 AMWhat James found inside his mystery box 📦 (this email)
Sep 18, 2026 10:46 AMThe Autumn Mystery Box 🍂
Sep 17, 2026 8:06 PMOrder #72924 status: Ready for Shipping
Sep 16, 2026 8:00 PMHere’s proof works

More from HYDRO

All HYDRO emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Sep 19, 2026.

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.