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Friday, Aug 21, 2026 at 8:14 PM EasternKlaviyo

KopperfieldCreate a free account, no credit card needed

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Subject: Create a free account, no credit card needed
Preview text: Now you can get started with a free account for load calcs, line diagrams, panel…
From: team@kopperfield.com
Brand: Kopperfield
ESP: Klaviyo
Sent: Fri Aug 21, 2026, 8:14 PM ET
Sent to: kopperfield.go-kf.com
Size: 88 KB
Images: 18
Links: 16, 6 of them buttons
Subject length: 44 characters

Against Kopperfield's usual

Sent in the 8 PM hour, which holds 14% of its emails; 16% arrive in the 2 PM hour. The subject is 44 characters; its average is 40.

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.

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

	Aug 27, 2026 11:22 AM	Single line diagrams made simple
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	Aug 24, 2026 6:13 AM	Reminder: one day remaining for our flash sale
	Aug 21, 2026 8:14 PM	Create a free account, no credit card needed (this email)
	Aug 20, 2026 11:21 AM	Create a free account, no credit card needed
	Aug 18, 2026 2:32 PM	Create a free account, no credit card needed
	Aug 18, 2026 6:12 AM	🎉 Hey, flash sale for one week only