Our birthday. A little gift for you.

Preview text: We’re celebrating by refunding one eligible customer’s order.

Thursday, Oct 15, 2026 at 8:01 AM EasternKlaviyo

Persephone BiosciencesOur birthday. A little gift for you.

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Our birthday. A little gift for you. - email from Persephone Biosciences

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Subject: Our birthday. A little gift for you.
Preview text: We’re celebrating by refunding one eligible customer’s order.
From: hello@persephone.bio
Brand: Persephone Biosciences
ESP: Klaviyo
Sent: Thu Oct 15, 2026, 8:01 AM ET
Sent to: dumponcancer.com, persephone.bio, United States (poopforcure.us), United States (poopforthecure.us)
Size: 46 KB
Images: 14
Links: 14, 1 of them buttons
Subject length: 36 characters

Against Persephone Biosciences's usual

Sent in the 8 AM hour, which holds 2% of its emails; 20% arrive in the 11 AM hour. The subject is 36 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: Dr. Stephanie from Persephone <[email protected]>
Subject: Our birthday. A little gift for you.
Date: Thu, 15 Oct 2026 12:01:29 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.hello.persephone.bio
DKIM signature: d=shared.klaviyomail.com s=def1; d=hello.persephone.bio 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

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Sent just before and after

	Oct 17, 2026 8:07 PM	Your child is in a critical window
	Oct 16, 2026 7:05 PM	Your child is in a critical window
	Oct 15, 2026 8:05 PM	90% of babies are missing this
	Oct 15, 2026 8:01 AM	Our birthday. A little gift for you. (this email)
	Oct 14, 2026 7:05 PM	90% of babies are missing this
	Oct 13, 2026 8:04 PM	👋 I'm Stephanie
	Oct 13, 2026 6:30 AM	A closer look at the science inside