The Proof is now on Substack
Preview text: I’m sharing what I’m reading, rethinking and taking from the research.

Using this email in an article? Credit: The Proof with Simon Hill email via They Sent It, with a link to this page. Full-size image
- 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 - ESP
- Klaviyo
- Sent
- Tue Nov 3, 2026, 5:30 PM ET
- Size
- 30 KB
- Images
- 5
- Links
- 7, 5 of them buttons
- Subject length
- 28 characters
Against The Proof with Simon Hill's usual
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.
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
- 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
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-6dbz4 with SMTP
- 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
Sent just before and after
| Nov 4, 2026 6:02 PM | What happens when you stop taking GLP-1s? | |
| Nov 3, 2026 5:30 PM | The Proof is now on Substack (this email) | |
| Oct 31, 2026 12:00 PM | The two numbers that matter in omega-3 supplements | |
| Oct 30, 2026 7:01 PM | What does “gut health” actually mean? | |
| Oct 28, 2026 6:03 PM | Support The Proof - Leave a review | |
| Oct 26, 2026 7:01 PM | Are we measuring bone health all wrong? | |
| Oct 25, 2026 6:01 PM | The Proof is in the Plants and 4 zero-cost guides |
More from The Proof with Simon Hill
All The Proof with Simon Hill emailsWhat happens when you stop taking GLP-1s?
Nov 4, 2026 6:02 PM
The two numbers that matter in omega-3 supplements
Oct 31, 2026 12:00 PM
What does “gut health” actually mean?
Oct 30, 2026 7:01 PM
Support The Proof - Leave a review
Oct 28, 2026 6:03 PM
Are we measuring bone health all wrong?
Oct 26, 2026 7:01 PM
The Proof is in the Plants and 4 zero-cost guides
Oct 25, 2026 6:01 PM
Oct 22, 2026 12:01 AM
Oct 21, 2026 6:01 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Nov 3, 2026.









