Know someone who'd love an Air Refiner?
Preview text: Send them a voucher and let them choose the colours.

Use this example
- Subject
- Know someone who'd love an Air Refiner?
- Preview text
- Send them a voucher and let them choose the colours.
- From
- customerservice@
21captains.com - Brand
- 21Captains
- ESP
- Klaviyo
- Sent
- Sun Nov 1, 2026, 4:05 AM ET
- Size
- 44 KB
- Images
- 15
- Links
- 15, 3 of them buttons
- Subject length
- 39 characters
Against 21Captains's usual
Sent in its busiest hour, 4 AM, which holds 26% of its emails. The subject is 39 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
- 21Captains <[email protected]>
- Subject
- Know someone who'd love an Air Refiner?
- Date
- Sun, 01 Nov 2026 09:05:27 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.21captains.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.21captains.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-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Nov 4, 2026 4:00 AM | Be the next feature on our story | |
| Nov 1, 2026 4:05 AM | Know someone who'd love an Air Refiner? (this email) | |
| Oct 27, 2026 5:30 PM | A Troopy, an old house and a bathroom | |
| Oct 24, 2026 11:51 PM | Our Promise To You (Let’s Shake On It) | |
| Oct 20, 2026 11:50 PM | Still thinking it over, ? | |
| Oct 20, 2026 5:00 AM | Is your Air Refiner in the right spot?” | |
| Oct 16, 2026 11:49 PM | - Your 5% off is still waiting. |
More from 21Captains
All 21Captains emailsBe the next feature on our story
Nov 4, 2026 4:00 AM
A Troopy, an old house and a bathroom
Oct 27, 2026 5:30 PM
Our Promise To You (Let’s Shake On It)
Oct 24, 2026 11:51 PM
Oct 20, 2026 11:50 PM
Is your Air Refiner in the right spot?”
Oct 20, 2026 5:00 AM
- Your 5% off is still waiting.
Oct 16, 2026 11:49 PM
Oct 15, 2026 7:11 AM
Oct 14, 2026 1:09 AM







