Offering medicine to someone who doesn't know they're sick

Preview text: I reviewed an email for a sauna brand client recently. The goal was to highlight a massive…

Email EngineersMonday, Apr 6, 2026 at 12:33 PM EasternKlaviyo
Email EngineersOffering medicine to someone who doesn't know they're sick
Subject
Offering medicine to someone who doesn't know they're sick
Preview text
I reviewed an email for a sauna brand client recently. The goal was to highlight a massive…
From
matias@email-engineers.com
Sent
Mon Apr 6, 2026, 12:33 PM ET
Sent to
email-engineers.com, new.email-engineers.com
Size
51 KB
Images
2
Links
3, 1 of them buttons
Subject length
58 characters

Against Email Engineers's usual

Sent in the 12 PM hour, which holds 15% of its emails; 28% arrive in the 11 AM hour. The subject is 58 characters; its average is 44.

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
Matias Perelli - Email Engineers <[email protected]>
Subject
Offering medicine to someone who doesn't know they're sick
Date
Mon, 06 Apr 2026 16:33:00 +0000 (UTC)
Message-ID domain
geopod-ismtpd-56
Return-Path domain
klaviyo.email-engineers.com
DKIM signature
d=email-engineers.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1328.shared.klaviyomail.com [168.245.31.178] by our receiving server with ESMTPS
  2. by recvd-…-pbqhx with SMTP
  3. from (unnamed) by geopod-ismtpd-56 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

Report this email

Sent just before and after

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.