The Proof is now on Substack

Preview text: I’m sharing what I’m reading, rethinking and taking from the research.

The Proof with Simon HillTuesday, Nov 3, 2026 at 5:30 PM EasternKlaviyo
The Proof with Simon HillThe Proof is now on Substack
Subject
The Proof is now on Substack
Preview text
I’m sharing what I’m reading, rethinking and taking from the research.
From
hello@theproof.com
Sent
Tue Nov 3, 2026, 5:30 PM ET
Size
30 KB
Images
5
Links
7, 5 of them buttons
Subject length
28 characters

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Sent in the 5 PM hour, which holds 6% of its emails; 27% arrive in the 7 PM hour. The subject is 28 characters; its average is 40.

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From
Simon Hill <[email protected]>
Subject
The Proof is now on Substack
Date
Tue, 03 Nov 2026 22:30:14 +0000 (UTC)
Message-ID domain
geopod-ismtpd-56
Return-Path domain
send.theproof.com
DKIM signature
d=theproof.com s=kl2
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  2. 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

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Nov 4, 2026 6:02 PMWhat happens when you stop taking GLP-1s?
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