Engineered for Perfection
Preview text: Why Ra Optics will transform your life
- Subject
- Engineered for Perfection
- Preview text
- Why Ra Optics will transform your life
- From
- support@
raoptics.com - Brand
- Ra Optics
- ESP
- Klaviyo
- Sent
- Thu Oct 15, 2026, 8:35 AM ET
- Sent to
- raoptics.io
- Size
- 42 KB
- Images
- 8
- Links
- 10, 6 of them buttons
- Subject length
- 25 characters
Against Ra Optics's usual
Sent in the 8 AM hour, which holds 7% of its emails; 16% arrive in the 10 AM hour. The subject is 25 characters; its average is 38.
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
- Ra Optics <[email protected]>
- Subject
- Engineered for Perfection
- Date
- Thu, 15 Oct 2026 12:35:17 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-0
- Return-Path domain
- hello.raoptics.com
- DKIM signature
- d=raoptics.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-9nfws with SMTP
- from (unnamed) by geopod-ismtpd-0 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 17, 2026 4:30 AM | What sleep trackers say about Sunset Lenses | |
| Oct 16, 2026 6:12 AM | Three lenses: Your sunrise to sleep system | |
| Oct 15, 2026 3:14 PM | They didn't think it would work either | |
| Oct 15, 2026 8:35 AM | Engineered for Perfection (this email) | |
| Oct 14, 2026 6:10 AM | You spend 90% of your life under fake light. | |
| Oct 13, 2026 8:00 AM | You can't out-supplement this | |
| Oct 13, 2026 6:09 AM | Why I started Ra Optics |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 15, 2026.
