Your September Fleet Newsletter is here!

Preview text: ` either. This template's existing dark-mode defenses (below) are still correct for the…

21CaptainsFriday, Sep 11, 2026 at 4:30 AM EasternKlaviyo
21CaptainsYour September Fleet Newsletter is here!
Subject
Your September Fleet Newsletter is here!
Preview text
` either. This template's existing dark-mode defenses (below) are still correct for the…
From
customerservice@21captains.com
Sent
Fri Sep 11, 2026, 4:30 AM ET
Size
74 KB
Images
30
Links
19, 1 of them buttons
Subject length
40 characters

Against 21Captains's usual

Sent in its busiest hour, 4 AM, which holds 26% of its emails. The subject is 40 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
Your September Fleet Newsletter is here!
Date
Fri, 11 Sep 2026 08:30:32 +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

Oct 1, 2026 2:35 AMStill thinking it over?
Sep 30, 2026 8:05 PMDid your partner steal your Air Refiner?
Sep 14, 2026 4:45 AMYou kept asking about the pink. Here's our answer.
Sep 11, 2026 4:30 AMYour September Fleet Newsletter is here! (this email)
Aug 31, 2026 4:01 AMLast chance before Father's Day
Aug 28, 2026 6:04 PMOne week until Father's Day
Aug 27, 2026 2:24 PMStill thinking about it, ?

More from 21Captains

All 21Captains emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Sep 11, 2026.

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. You'll get a confirmation email first, and you can unsubscribe anytime.