What if we've been measuring Black Friday all wrong?

Preview text: A question we couldn't ignore.

FlowiumFriday, Oct 16, 2026 at 10:06 AM EasternKlaviyo
FlowiumWhat if we've been measuring Black Friday all wrong?
Subject
What if we've been measuring Black Friday all wrong?
Preview text
A question we couldn't ignore.
From
support@flowium.com
Brand
Flowium
Sent
Fri Oct 16, 2026, 10:06 AM ET
Sent to
flowiumgrowth.com, flowiumretention.com
Size
9 KB
Images
1
Links
1, 1 of them buttons
Subject length
52 characters

Against Flowium's usual

Sent in the 10 AM hour, which holds 21% of its emails; 21% arrive in the 4 AM hour. The subject is 52 characters; its average is 39.

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
Flowium <[email protected]>
Subject
What if we've been measuring Black Friday all wrong?
Date
Fri, 16 Oct 2026 14:06:13 +0000 (UTC)
Message-ID domain
geopod-ismtpd-15
Return-Path domain
email.flowium.com
DKIM signature
d=flowium.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-czlgp with SMTP
  2. from (unnamed) by geopod-ismtpd-15 with HTTP

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

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