Three lenses: Your sunrise to sleep system

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Ra OpticsFriday, Oct 16, 2026 at 6:12 AM EasternKlaviyo
Ra OpticsThree lenses: Your sunrise to sleep system
Subject
Three lenses: Your sunrise to sleep system
Preview text
Email 96 Unsubscribe | Manage Preferences | View in Your Browser
From
support@raoptics.com
Sent
Fri Oct 16, 2026, 6:12 AM ET
Sent to
raoptics.io
Size
57 KB
Images
22
Links
24, 6 of them buttons
Subject length
42 characters

Against Ra Optics's usual

Sent in the 6 AM hour, which holds 5% of its emails; 15% arrive in the 10 AM hour. The subject is 42 characters; its average is 38.

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From
Ra Optics <[email protected]>
Subject
Three lenses: Your sunrise to sleep system
Date
Fri, 16 Oct 2026 10:12:58 +0000 (UTC)
Message-ID domain
geopod-ismtpd-43
Return-Path domain
hello.raoptics.com
DKIM signature
d=raoptics.com s=kl2
List-Unsubscribe
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Servers it passed through, newest first

  1. by recvd-…-ztkht with SMTP
  2. from (unnamed) by geopod-ismtpd-43 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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Sent just before and after

Oct 20, 2026 6:13 AMWhy 100,000+ customers trust Ra Optics.
Oct 18, 2026 6:14 AMMeet Lumios: the world's first human-friendly lighting.
Oct 17, 2026 4:30 AMWhat sleep trackers say about Sunset Lenses
Oct 16, 2026 6:12 AMThree lenses: Your sunrise to sleep system (this email)
Oct 15, 2026 3:14 PMThey didn't think it would work either
Oct 15, 2026 8:35 AMEngineered for Perfection
Oct 14, 2026 6:10 AMYou spend 90% of your life under fake light.

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