They Sent It

Period underwear.

But how, though?

Fri PeriodTuesday, Sep 15, 2026 at 2:03 PM EasternKlaviyo
Fri PeriodPeriod underwear.
Subject
Period underwear.
Preview text
But how, though?
From
hello@friperiod.com
Sent
Tue Sep 15, 2026, 2:03 PM ET
Size
39 KB
Images
3
Links
3, 1 of them buttons
Subject length
17 characters

Against Fri Period's usual

Sent in its busiest hour, 2 PM, which holds 27% of its emails. The subject is 17 characters; its average is 30.

Email headers

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From
Nina | Fri Period <[email protected]>
Subject
Period underwear.
Date
Tue, 15 Sep 2026 18:03:23 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.friperiod.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.friperiod.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-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

Sep 26, 2026 10:30 AM🎁 The gift nobody thinks of
Sep 22, 2026 2:30 PMYour period is helping clean the ocean!
Sep 19, 2026 11:15 AMThese reviews keep me up at night 😱
Sep 15, 2026 2:03 PMPeriod underwear. (this email)
Sep 11, 2026 2:15 PMDoctors call it the fifth vital sign
Sep 8, 2026 2:15 PMPeriods cost you $18,000 in a lifetime
Sep 4, 2026 1:06 PMName our new product and win $200!

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