They Sent It

Summer's Best Kept Secret

One Linen Jacket. All summer. Resolved.

ISTO.Thursday, May 7, 2026 at 4:01 PM EasternKlaviyo
ISTO.Summer's Best Kept Secret
Subject
Summer's Best Kept Secret
Preview text
One Linen Jacket. All summer. Resolved.
From
hello@isto.pt
Brand
ISTO.
Sent
Thu May 7, 2026, 4:01 PM ET
Size
45 KB
Images
8
Links
11, 1 of them buttons
Subject length
25 characters

Against ISTO.'s usual

Sent in the 4 PM hour, which holds 23% of its emails; 24% arrive in the 2 PM hour. The subject is 25 characters; its average is 27.

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From
ISTO. <[email protected]>
Subject
Summer's Best Kept Secret
Date
Thu, 07 May 2026 20:01:35 +0000 (UTC)
Message-ID domain
geopod-ismtpd-8
Return-Path domain
hello.isto.pt
DKIM signature
d=isto.pt s=kl2
List-Unsubscribe
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Servers it passed through, newest first

  1. from o1299.shared.klaviyomail.com [167.89.100.71] by our receiving server with ESMTPS
  2. by recvd-…-4r8dz with SMTP
  3. from (unnamed) by geopod-ismtpd-8 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

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Sent just before and after

May 13, 2026 6:01 PMUniform On Rotation: Jeans and a T-Shirt
May 11, 2026 6:56 AMWe’re Moving Warehouses
May 10, 2026 11:30 AMLinen Suit. Formal? Kind Of.
May 7, 2026 4:01 PMSummer's Best Kept Secret (this email)
May 5, 2026 11:19 PMPalette of the Season
May 3, 2026 8:30 AMYour Guide to Spring Dressing
Apr 30, 2026 6:02 PMThe Brief: A Lighter, Cooler Chino

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