Cult favorite for a reason ✨
Preview text: FREE shipping just for you
Using this email in an article? Credit: Undefined email via They Sent It, with a link to this page. Full-size image
- Subject
- Cult favorite for a reason ✨
- Preview text
- FREE shipping just for you
- From
- marketing@
undefinedco.com - Brand
- Undefined
- ESP
- Klaviyo
- Sent
- Mon Oct 5, 2026, 11:25 PM ET
- Sent to
- undefinedco.com
- Size
- 40 KB
- Images
- 14
- Links
- 15, 2 of them buttons
- Subject length
- 29 characters
Against Undefined's usual
Sent in the 11 PM hour, which holds 4% of its emails; 12% arrive in the 6 PM hour. The subject is 29 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 @ Undefined <[email protected]>
- Subject
- Cult favorite for a reason ✨
- Date
- Tue, 06 Oct 2026 03:25:36 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-87
- 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-…-r9f8s with SMTP
- from (unnamed) by geopod-ismtpd-87 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 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 ★ | |
| Oct 5, 2026 11:25 PM | Cult favorite for a reason ✨ (this email) | |
| Oct 2, 2026 11:24 PM | Pro Science. Pro Inclusivity. 👩🏾🔬 | |
| Oct 1, 2026 11:23 PM | Real Skin. Real Results. ✌🏾 | |
| Oct 1, 2026 7:44 PM | Harper’s BAZAAR said it 👀 |
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 6, 2026 12:39 PM
