25% off goes further here ★
Preview text: High-performance. Even better deal

Using this email in an article? Credit: Undefined email via They Sent It, with a link to this page. Full-size image
- Subject
- 25% off goes further here ★
- Preview text
- High-performance. Even better deal
- From
- dorian@
undefinedco.com - Brand
- Undefined
- ESP
- Klaviyo
- Sent
- Tue Oct 6, 2026, 12:39 PM ET
- Sent to
- un-definedbeauty.com, undefinedbeautyco.com, undefinedco.com
- Size
- 41 KB
- Images
- 14
- Links
- 15, 3 of them buttons
- Subject length
- 28 characters
Against Undefined's usual
Sent in the 12 PM hour, which holds 9% of its emails; 12% arrive in the 6 PM hour. The subject is 28 characters; its average is 27.
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
- Dorian from Undefined <[email protected]>
- Reply-To
- [email protected]
- Subject
- 25% off goes further here ★
- Date
- Tue, 06 Oct 2026 16:39:10 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-77
- Return-Path domain
- k1.send.undefinedco.com
- DKIM signature
- d=send.undefinedco.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-canary-…-462k5 with SMTP
- from (unnamed) by geopod-ismtpd-77 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Oct 9, 2026 10:26 AM | Don’t be shy 🤍 | |
| Oct 7, 2026 9:17 PM | [LAST CALL] Better formulas. No BS ⚠️ | |
| Oct 7, 2026 10:27 AM | Prime Day Math is Mathing 🤓 | |
| Oct 6, 2026 12:39 PM | 25% off goes further here ★ (this email) | |
| Oct 5, 2026 11:25 PM | Cult favorite for a reason ✨ | |
| Oct 2, 2026 11:24 PM | Pro Science. Pro Inclusivity. 👩🏾🔬 | |
| Oct 1, 2026 11:23 PM | Real Skin. Real Results. ✌🏾 |
More from Undefined
All Undefined emailsPro Science. Pro Inclusivity. 👩🏾🔬
Nov 3, 2026 8:10 AM
Nov 2, 2026 8:09 AM
Oct 16, 2026 2:53 PM
Oct 13, 2026 1:10 AM
Oct 9, 2026 10:26 AM
[LAST CALL] Better formulas. No BS ⚠️
Oct 7, 2026 9:17 PM
Oct 7, 2026 10:27 AM
Oct 5, 2026 11:25 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 6, 2026.





![[LAST CALL] Better formulas. No BS ⚠️ - email from Undefined](https://img.theysentit.com/undefined/4303022.t.jpg)



