Know someone who'd love an Air Refiner?

Preview text: Send them a voucher and let them choose the colours.

21CaptainsSunday, Nov 1, 2026 at 4:05 AM EasternKlaviyo
21CaptainsKnow someone who'd love an Air Refiner?
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
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

  1. 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

Report this email

Sent just before and after

Nov 4, 2026 4:00 AMBe the next feature on our story
Nov 1, 2026 4:05 AMKnow someone who'd love an Air Refiner? (this email)
Oct 27, 2026 5:30 PMA Troopy, an old house and a bathroom
Oct 24, 2026 11:51 PMOur Promise To You (Let’s Shake On It)
Oct 20, 2026 11:50 PMStill thinking it over, ?
Oct 20, 2026 5:00 AMIs your Air Refiner in the right spot?”
Oct 16, 2026 11:49 PM- Your 5% off is still waiting.

More from 21Captains

All 21Captains emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.