Why most blue light glasses miss the mark
Preview text: It comes down to a single wavelength.
Use this example
- Subject
- Why most blue light glasses miss the mark
- Preview text
- It comes down to a single wavelength.
- From
- hello@
send.felixgray.com - Brand
- Felix Gray
- ESP
- Klaviyo
- Sent
- Sun Oct 25, 2026, 4:24 PM ET
- Sent to
- felixgray.com
- Size
- 43 KB
- Images
- 9
- Links
- 12, 4 of them buttons
- Subject length
- 42 characters
Against Felix Gray's usual
Sent in the 4 PM hour, which holds 8% of its emails; 23% arrive in the 11 AM hour. The subject is 42 characters; its average is 37.
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
- Felix Gray <[email protected]>
- Reply-To
- [email protected]
- Subject
- Why most blue light glasses miss the mark
- Date
- Sun, 25 Oct 2026 20:24:34 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-24
- Return-Path domain
- send.felixgray.com
- DKIM signature
- d=felixgray.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-trhp9 with SMTP
- from (unnamed) by geopod-ismtpd-24 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 26, 2026 4:30 PM | A gift for you: 10% off | |
| Oct 26, 2026 2:22 PM | Did something catch your eye? | |
| Oct 26, 2026 1:00 PM | A Scary Good Deal: Up to 40% Off | |
| Oct 25, 2026 4:24 PM | Why most blue light glasses miss the mark (this email) | |
| Oct 24, 2026 4:23 PM | A closer look at what caught your eye | |
| Oct 23, 2026 4:23 PM | Did something catch your eye? | |
| Oct 23, 2026 1:00 PM | Upgrade Your Screen Routine |
More from Felix Gray
All Felix Gray emailsThe Day & Night Blue Light Solution.
Nov 9, 2026 1:30 PM
A closer look at what caught your eye
Nov 8, 2026 7:27 PM
Nov 7, 2026 7:26 PM
Nov 6, 2026 10:00 AM
Oops, your 10% off is expiring
Nov 4, 2026 4:46 PM
Your Favorites In New Colors, Now In Stock
Nov 4, 2026 10:00 AM
Don't Cut Screen Time, Cut The Blue Light
Nov 2, 2026 2:30 PM
Oops, your 10% off is expiring
Nov 2, 2026 1:27 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 25, 2026.
