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Using this email in an article? Credit: Kopperfield email via They Sent It, with a link to this page. Full-size image
- Subject
- Check out our free single line diagram tool
- Preview text
- Create diagrams in minutes with our pre-built templates and easy drawing tools
- From
- team@
kopperfield.com - Brand
- Kopperfield
- ESP
- Klaviyo
- Sent
- Fri Oct 16, 2026, 9:14 PM ET
- Sent to
- go-kf.com, kopperfield.go-kf.com
- Size
- 36 KB
- Images
- 8
- Links
- 10, 7 of them buttons
- Subject length
- 43 characters
Against Kopperfield's usual
Sent in the 9 PM hour, which holds 7% of its emails; 16% arrive in the 2 PM hour. The subject is 43 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.
- From
- Mark from Kopperfield <[email protected]>
- Subject
- Check out our free single line diagram tool
- Date
- Sat, 17 Oct 2026 01:14:23 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-97
- Return-Path domain
- send.kopperfield.com
- DKIM signature
- d=kopperfield.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-5b5t8 with SMTP
- from (unnamed) by geopod-ismtpd-97 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
Sent just before and after
| Oct 20, 2026 6:22 AM | Ace EV charger load calcs every time ⚡🚗 | |
| Oct 19, 2026 9:16 PM | Save time with panel schedules | |
| Oct 19, 2026 7:41 AM | Check out our free single line diagram tool | |
| Oct 16, 2026 9:14 PM | Check out our free single line diagram tool (this email) | |
| Oct 16, 2026 8:27 PM | Load calculations made easy | |
| Oct 15, 2026 11:13 PM | Welcome to the Kopperfield community | |
| Oct 15, 2026 9:13 PM | Have you seen our automatic panel photo processing? |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 16, 2026.















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