How to save 8 watts
Preview text: The science of marginal gains, explained by our CEO Josh Poertner

Using this email in an article? Credit: SILCA email via They Sent It, with a link to this page. Full-size image
- Subject
- How to save 8 watts
- Preview text
- The science of marginal gains, explained by our CEO Josh Poertner
- From
- sales@
silca.cc - Brand
- SILCA
- ESP
- Klaviyo
- Sent
- Mon Oct 5, 2026, 2:34 PM ET
- Size
- 48 KB
- Images
- 12
- Links
- 15, 5 of them buttons
- Subject length
- 19 characters
Against SILCA's usual
Sent in the 2 PM hour, which holds 4% of its emails; 66% arrive in the 10 AM hour. The subject is 19 characters; its average is 33.
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- From
- SILCA <[email protected]>
- Subject
- How to save 8 watts
- Date
- Mon, 05 Oct 2026 18:34:42 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-42
- Return-Path domain
- send.silca.cc
- DKIM signature
- d=silca.cc s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-canary-…-97cpr with SMTP
- from (unnamed) by geopod-ismtpd-42 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
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