20% off ends at midnight.

Preview text: Celebrate our birthday.

Doctor StolbergWednesday, Jun 10, 2026 at 8:11 PM EasternKlaviyo
Doctor Stolberg20% off ends at midnight.
Subject
20% off ends at midnight.
Preview text
Celebrate our birthday.
From
hello@doctorstolberg.com
Sent
Wed Jun 10, 2026, 8:11 PM ET
Sent to
doctorstolberg.com
Size
41 KB
Images
4
Links
8, 2 of them buttons
Subject length
25 characters

Against Doctor Stolberg's usual

Sent in the 8 PM hour, which holds 10% of its emails; 45% arrive in the 8 AM hour. The subject is 25 characters, the same as its average.

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
DOCTOR STOLBERG <[email protected]>
Subject
20% off ends at midnight.
Date
Thu, 11 Jun 2026 00:11:10 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.doctorstolberg.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.doctorstolberg.com s=mtd1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from kl-203-20-21.kmta.shared.klaviyomail.com [170.203.20.21] 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-Message, X-Kmail-Ops, X-Report-Abuse

Report this email

Sent just before and after

Jun 16, 2026 5:32 PMShip a box to dad.
Jun 14, 2026 11:15 AMIntroducing The Intake
Jun 11, 2026 11:45 AMWin a year of Rest + Digest.
Jun 10, 2026 8:11 PM20% off ends at midnight. (this email)
Jun 10, 2026 8:15 AMDOCTOR STOLBERG is one.
Jun 7, 2026 11:44 AMYear One. 1 million served.
Jun 4, 2026 8:15 AMMagic, explained.

More from Doctor Stolberg

All Doctor Stolberg 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.