They Sent It

What’s Hiding Inside the Puffco Proxy Core?

We took it apart piece by piece and uncovered some interesting design choices.

TVAPETuesday, Jul 14, 2026 at 4:54 PM EasternKlaviyo
TVAPEWhat’s Hiding Inside the Puffco Proxy Core?
Subject
What’s Hiding Inside the Puffco Proxy Core?
Preview text
We took it apart piece by piece and uncovered some interesting design choices.
From
hello@emails.tvape.com
Brand
TVAPE
Sent
Tue Jul 14, 2026, 4:54 PM ET
Sent to
Canada (torontovaporizer.ca), tvape.com
Size
57 KB
Images
10
Links
13, 2 of them buttons
Subject length
44 characters

Against TVAPE's usual

Sent in the 4 PM hour, which holds 13% of its emails; 23% arrive in the 11 AM hour. The subject is 44 characters; its average is 46.

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
TVAPE <[email protected]>
Subject
What’s Hiding Inside the Puffco Proxy Core?
Date
Tue, 14 Jul 2026 20:54:25 +0000 (UTC)
Message-ID domain
geopod-ismtpd-46
Return-Path domain
emails.tvape.com
DKIM signature
d=tvape.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1301.shared.klaviyomail.com [167.89.100.76] by our receiving server with ESMTPS
  2. by recvd-…-wz458 with SMTP
  3. from (unnamed) by geopod-ismtpd-46 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

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