Welcome to the Postbiotic Era!

Preview text: Exclusive discount code inside

SecondKindWednesday, Oct 14, 2026 at 12:36 PM EasternKlaviyo
SecondKindWelcome to the Postbiotic Era!
Subject
Welcome to the Postbiotic Era!
Preview text
Exclusive discount code inside
From
info@secondkind.com
Sent
Wed Oct 14, 2026, 12:36 PM ET
Size
47 KB
Images
15
Links
14, 5 of them buttons
Subject length
30 characters

Against SecondKind's usual

Sent in its busiest hour, 12 PM, which holds 43% of its emails. The subject is 30 characters; its average is 32.

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
SecondKind <[email protected]>
Subject
Welcome to the Postbiotic Era!
Date
Wed, 14 Oct 2026 16:36:59 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.secondkind.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.secondkind.com s=mtd1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from (unnamed) by kmta-mta-green-….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-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

Report this email

Sent just before and after

Oct 20, 2026 12:40 PMYour Gut Has Opinions.
Oct 18, 2026 12:38 PMIt All Started With A Gut Feeling.
Oct 16, 2026 12:37 PMA Trillion Times Better.
Oct 14, 2026 12:36 PMWelcome to the Postbiotic Era! (this email)
Sep 1, 2026 3:58 PMYour September reset starts here🍂
Aug 25, 2026 6:03 PM64% prioritize gut health. Only 12% see this.
Aug 21, 2026 3:47 AMWhat the fibermaxxing videos skip

More from SecondKind

All SecondKind emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Oct 14, 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.