Join Over 60K Light Optimizers
Preview text: TrueDark lenses block the right light, at the right time.
Using this email in an article? Credit: TrueDark email via They Sent It, with a link to this page. Full-size image
- Subject
- Join Over 60K Light Optimizers
- Preview text
- TrueDark lenses block the right light, at the right time.
- From
- info@
truedark.com - Brand
- TrueDark
- ESP
- Klaviyo
- Sent
- Wed Oct 21, 2026, 7:57 AM ET
- Sent to
- amberlighttherapy.com
- Size
- 53 KB
- Images
- 11
- Links
- 17, 8 of them buttons
- Subject length
- 30 characters
Against TrueDark's usual
Sent in the 7 AM hour, which holds 8% of its emails; 30% arrive in the 5 AM hour. The subject is 30 characters; its average is 33.
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
- TrueDark <[email protected]>
- Subject
- Join Over 60K Light Optimizers
- Date
- Wed, 21 Oct 2026 11:57:20 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.truedark.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.truedark.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Oct 27, 2026 1:01 PM | Where Science Meets Style | |
| Oct 26, 2026 8:01 PM | The time change nobody asked for | |
| Oct 22, 2026 5:01 AM | Fall back with 20% off | |
| Oct 21, 2026 7:57 AM | Join Over 60K Light Optimizers (this email) | |
| Oct 19, 2026 11:37 PM | Join Over 60K Light Optimizers | |
| Oct 17, 2026 7:56 AM | Reset Your Circadian Rhythm ☀️🌙 | |
| Oct 15, 2026 11:34 PM | Reset Your Circadian Rhythm ☀️🌙 |
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